HLSf use nuint rather than long, L4 now uses hlsf rather than array to alloc cache line.

StgSharp.Common/Collections/ConcurrentFlexibaleArray.cs

@@ -31,7 +31,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace StgSharp.Common.Collections
+namespace StgSharp.Collections
 {
     public class ConcurrentFlexibleArray<T>(
                  int capacity = 4

StgSharp.Common/Collections/UnmanagedArray.cs

@@ -32,7 +32,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace StgSharp.Common.Collections
+namespace StgSharp.Collections
 {
     /// <summary>
     ///   Zero-overhead view over a contiguous region of unmanaged memory. Does not own the memory —
@@ -125,7 +125,7 @@ namespace StgSharp.Common.Collections
                        int length
         )
         {
-            Debug.Assert((uint)start + (uint)length <= (uint)Length,
+            Debug.Assert(((uint)start) + ((uint)length) <= (uint)Length,
                 "UnmanagedArray.AsSpan range out of bounds");
             return new Span<T>(Address + start, length);
         }
@@ -144,7 +144,7 @@ namespace StgSharp.Common.Collections
                    T* ptr
         )
         {
-            int offset = (int)(((nint)ptr - (nint)Address) / ElementSize);
+            int offset = (int)((((nint)ptr) - ((nint)Address)) / ElementSize);
             ArgumentOutOfRangeException.ThrowIfNegative(offset, nameof(ptr));
             ArgumentOutOfRangeException.ThrowIfGreaterThanOrEqual(offset, Length, nameof(ptr));
             return offset;
@@ -169,7 +169,7 @@ namespace StgSharp.Common.Collections
                    T* ptr
         )
         {
-            return (int)(((nint)ptr - (nint)Address) / ElementSize);
+            return (int)((((nint)ptr) - ((nint)Address)) / ElementSize);
         }
 
     }

StgSharp.Common/Environment/Platform.cs

@@ -25,8 +25,8 @@
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-using StgSharp.Common.HighPerformance.ProcessorAbstraction;
-using StgSharp.Mathematics;
+using StgSharp.HighPerformance;
+using StgSharp.HighPerformance.ProcessorAbstraction;
 using System;
 using System.Reflection;
 using System.Runtime.CompilerServices;

StgSharp.Common/Global.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="Global"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -31,7 +31,8 @@ global using System;
 global using System.Runtime.CompilerServices;
 global using System.Threading;
 
-[assembly: InternalsVisibleTo("StgSharp.Mathematics")]
+[assembly: InternalsVisibleTo("StgSharp.HighPerformance")]
 [assembly: InternalsVisibleTo("StgSharp.RegularAnalysis")]
 [assembly: InternalsVisibleTo("StgSharp.Graphics")]
+[assembly: InternalsVisibleTo("StgSharp.Mathematics")]
 [assembly: InternalsVisibleTo("StgSharpDebug")]

StgSharp.Common/HighPerformance/Memory/BufferStack.cs

@@ -29,7 +29,7 @@ using System;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     [CollectionBuilder(typeof(BufferStackBuilder), nameof(BufferStackBuilder.Create))]
     public unsafe class BufferStack<T> : IDisposable where T: unmanaged

StgSharp.Common/HighPerformance/Memory/ConcurrentBufferStack.cs

@@ -33,7 +33,7 @@ using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Threading;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public static class BufferStackBuilder
     {
@@ -104,11 +104,7 @@ namespace StgSharp.Mathematics.Memory
             AllocateBuffer(capacity);
         }
 
-        public ulong Count
-        {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get => (ulong)Volatile.Read(ref _count);
-        }
+        public ulong Count => (ulong)Volatile.Read(ref _count);
 
         public void Clear()
         {
@@ -191,7 +187,7 @@ namespace StgSharp.Mathematics.Memory
                             if (header->Top >= header->Capacity)
                             {
                                 int newCap = header->Capacity * 2;
-                                nuint newSize = (nuint)sizeof(Header) + ((nuint)newCap * (nuint)sizeof(T));
+                                nuint newSize = ((nuint)sizeof(Header)) + (((nuint)newCap) * ((nuint)sizeof(T)));
 
                                 _lock.EnterBufferCopy();
                                 try
@@ -291,8 +287,9 @@ namespace StgSharp.Mathematics.Memory
             T* dataStart = (T*)(_buffer + sizeof(Header));
 
             fixed (T* sourcePtr = span) {
-                Buffer.MemoryCopy(sourcePtr, dataStart, (nuint)header->Capacity * (nuint)sizeof(T),
-                                  (nuint)span.Length * (nuint)sizeof(T));
+                Buffer.MemoryCopy(sourcePtr, dataStart,
+                                  ((nuint)header->Capacity) * ((nuint)sizeof(T)),
+                                  ((nuint)span.Length) * ((nuint)sizeof(T)));
             }
 
             header->Top = span.Length;
@@ -303,7 +300,7 @@ namespace StgSharp.Mathematics.Memory
                      int capacity
         )
         {
-            nuint size = (nuint)sizeof(Header) + (nuint)capacity * (nuint)sizeof(T);
+            nuint size = ((nuint)sizeof(Header)) + (((nuint)capacity) * ((nuint)sizeof(T)));
             _buffer = (byte*)NativeMemory.Alloc(size);
             Header* header = (Header*)_buffer;
             header->Top = 0;

StgSharp.Common/HighPerformance/Memory/HLSFAllocationHandle.cs

@@ -1,30 +1,27 @@
 //-----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// file="HLSFAllocationHandle.cs"
+// file="HLSFAllocationHandle"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
-// Permission is hereby granted, free of charge, to any person 
-// obtaining a copy of this software and associated documentation 
-// files (the “Software”), to deal in the Software without restriction, 
-// including without limitation the rights to use, copy, modify, merge,
-// publish, distribute, sublicense, and/or sell copies of the Software, 
-// and to permit persons to whom the Software is furnished to do so, 
-// subject to the following conditions:
-//     
-// The above copyright notice and 
-// this permission notice shall be included in all copies 
-// or substantial portions of the Software.
-//     
-// THE SOFTWARE IS PROVIDED “AS IS”, 
-// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
-// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
-// ARISING FROM, OUT OF OR IN CONNECTION WITH 
-// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
@@ -35,17 +32,20 @@ using System.Drawing;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-using Allocator = StgSharp.Mathematics.Memory.HybridLayerSegregatedFitAllocator;
+using Allocator = StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
-    public readonly unsafe struct hlsfHandle
+    public readonly unsafe struct HlsfHandle
     {
 
         internal readonly Allocator.Entry* EntryHandle;
-        public readonly long AllocSize;
+        public readonly nuint AllocSize;
 
-        internal hlsfHandle(Allocator.Entry* handle, long s)
+        internal HlsfHandle(
+                 Allocator.Entry* handle,
+                 nuint s
+        )
         {
             EntryHandle = handle;
             Pointer = (byte*)handle->Position;
@@ -54,7 +54,9 @@ namespace StgSharp.Mathematics.Memory
             // Console.WriteLine($"{(ulong)handle->PreviousNear}<->{(ulong)handle->NextNear},\t{handle->Size}");
         }
 
-        public readonly ref byte this[uint index]
+        public readonly ref byte this[
+                                 uint index
+        ]
         {
             [MethodImpl(MethodImplOptions.AggressiveInlining)]
             get
@@ -66,11 +68,7 @@ namespace StgSharp.Mathematics.Memory
 
         public readonly byte* Pointer { get; init; }
 
-        public readonly Span<byte> BufferHandle
-        {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get => new(Pointer, (int)AllocSize);
-        }
+        public readonly Span<byte> BufferHandle => new(Pointer, (int)AllocSize);
 
         public readonly Enumerator GetEnumerator()
         {
@@ -80,11 +78,13 @@ namespace StgSharp.Mathematics.Memory
         public ref struct Enumerator : IEnumerator<byte>
         {
 
-            private hlsfHandle _handle;
+            private HlsfHandle _handle;
 
             private uint _index = ~0u;
 
-            internal Enumerator(hlsfHandle span)
+            internal Enumerator(
+                     HlsfHandle span
+            )
             {
                 _handle = span;
                 Span = span.BufferHandle;

StgSharp.Common/HighPerformance/Memory/HLSFAllocator.Alloc.cs

@@ -1,43 +1,43 @@
 //-----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// file="HLSFAllocator.Alloc.cs"
+// file="HLSFAllocator.Alloc"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
-// Permission is hereby granted, free of charge, to any person 
-// obtaining a copy of this software and associated documentation 
-// files (the “Software”), to deal in the Software without restriction, 
-// including without limitation the rights to use, copy, modify, merge,
-// publish, distribute, sublicense, and/or sell copies of the Software, 
-// and to permit persons to whom the Software is furnished to do so, 
-// subject to the following conditions:
-//     
-// The above copyright notice and 
-// this permission notice shall be included in all copies 
-// or substantial portions of the Software.
-//     
-// THE SOFTWARE IS PROVIDED “AS IS”, 
-// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
-// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
-// ARISING FROM, OUT OF OR IN CONNECTION WITH 
-// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 using System;
 using System.Numerics;
-using hlsfHandle = StgSharp.Mathematics.Memory.hlsfHandle;
+using System.Reflection.Metadata;
+using hlsfHandle = StgSharp.HighPerformance.Memory.HlsfHandle;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public unsafe partial class HybridLayerSegregatedFitAllocator
     {
 
-        public partial hlsfHandle Alloc(long size)
+        public partial HlsfHandle Alloc(
+                                  nuint size
+        )
         {
             if (size > _maxSize) {
                 throw new InvalidOperationException("Requested size exceeds maximum allocatable size.");
@@ -70,18 +70,72 @@ namespace StgSharp.Mathematics.Memory
 
             if (handle != null)
             {
-                int requestedOffset = (segmentIndex + 1) * _levelSizeArray[level];
-                if (requestedOffset > handle->Size) {
+                int requestedOffset = (segmentIndex + 1) * ((int)_levelSizeArray[level]);
+                if (requestedOffset > (int)handle->Size) {
                     throw new OverflowException("Out of memory: insufficient block size returned from spare memory.");
                 }
-                long remainder = handle->Size - requestedOffset;
+                nuint remainder = handle->Size - ((nuint)requestedOffset);
                 SetEntryLevel(handle, handle->Position, (uint)requestedOffset);
                 handle->State = EntryState.Alloc;
                 if (remainder > 0) {
                     SliceMemory(handle->NextNear, remainder);
                 }
             }
-            return new hlsfHandle(handle, size);
+            return new(handle, size);
+        }
+
+        public bool TryAlloc(
+                    nuint size,
+                    out HlsfHandle handle
+        )
+        {
+            if (size > _maxSize)
+            {
+                handle = default;
+                return false;
+            }
+
+            int level = GetLevelFromSize(size);
+            int segmentIndex = DetermineSegmentIndex(_levelSizeArray, size, level);
+
+            int i = level, s = segmentIndex;
+            Entry* entry;
+            while (!TryPopLevelForAllocation(i, s, out entry))
+            {
+                if (++s >= 3)
+                {
+                    s = 0;
+                    i++;
+                }
+                if (i > MaxLevel)
+                {
+                    if (TryPopLevelForAllocation(10, 1, out entry))
+                    {
+                        break;
+                    } else if (TryAllocateNew32MBBlock(out entry))
+                    {
+                        break;
+                    }
+                    handle = default;
+                    return false;
+                }
+            }
+
+            if (entry != null)
+            {
+                int requestedOffset = (segmentIndex + 1) * ((int)_levelSizeArray[level]);
+                if (requestedOffset > (int)entry->Size) {
+                    throw new OverflowException("Out of memory: insufficient block size returned from spare memory.");
+                }
+                nuint remainder = entry->Size - ((nuint)requestedOffset);
+                SetEntryLevel(entry, entry->Position, (uint)requestedOffset);
+                entry->State = EntryState.Alloc;
+                if (remainder > 0) {
+                    SliceMemory(entry->NextNear, remainder);
+                }
+            }
+            handle = new(entry, size);
+            return true;
         }
 
         /// <summary>
@@ -94,28 +148,31 @@ namespace StgSharp.Mathematics.Memory
         /// <param name="sizeToSlice">
         ///
         /// </param>
-        private void SliceMemory(Entry* e, long sizeToSlice)
+        private void SliceMemory(
+                     Entry* e,
+                     nuint sizeToSlice
+        )
         {
             Entry* next = e;
-            long remain = sizeToSlice;                                          // remained size to slice
-            long offset = (long)e->Position - sizeToSlice - (long)m_Buffer;     // offset of buffer to slice
-            long end = (long)e->Position - (long)m_Buffer;                      // end offset of buffer to slice
+            nuint remain = sizeToSlice;                                          // remained size to slice
+            nuint offset = e->Position - sizeToSlice - ((nuint)m_Buffer);     // offset of buffer to slice
+            nuint end = e->Position - ((nuint)m_Buffer);                      // end offset of buffer to slice
 
             int i = (BitOperations.TrailingZeroCount(offset) - 6) / 2;
             i = int.Min(10, i);
             for (; i < _levelSizeArray.Length; i++)
             {
-                int size = _levelSizeArray[i];
-                int upper = size * 4;
-                long edge = (offset + upper - 1) / upper * upper;
-                int count = (int)((long.Min(edge, end) - offset) / size);
+                uint size = _levelSizeArray[i];
+                nuint upper = size * 4;
+                nuint edge = (((offset + upper) - 1U) / upper) * upper;
+                int count = (int)((nuint.Min(edge, end) - offset) / size);
                 if (count > 0)
                 {
-                    long newSize = count * size;
+                    nuint newSize = ((nuint)count) * size;
 
                     Entry* newEntry = (Entry*)_entries.Allocate();
                     InsertEntryBefore(newEntry, next);
-                    SetEntryLevel(newEntry, (nuint)offset + (nuint)m_Buffer, newSize);
+                    SetEntryLevel(newEntry, offset + ((nuint)m_Buffer), newSize);
                     newEntry->State = EntryState.Empty;
 
                     BucketNode* b = (BucketNode*)newEntry->Position;
@@ -131,17 +188,17 @@ namespace StgSharp.Mathematics.Memory
 
             if (i > MaxLevel)
             {
-                int size = _levelSizeArray[^1];
-                int upper = size * 4;
-                long edge = end / upper * upper;
-                int count = (int)((long.Min(edge, end) - offset) / upper);
+                uint size = _levelSizeArray[^1];
+                nuint upper = size * 4;
+                nuint edge = (end / upper) * upper;
+                int count = (int)((nuint.Min(edge, end) - offset) / upper);
                 if (count > 0)
                 {
-                    long newSize = (long)count * (long)upper;
+                    nuint newSize = ((nuint)count) * upper;
 
                     Entry* newEntry = (Entry*)_entries.Allocate();
                     InsertEntryBefore(newEntry, next);
-                    SetEntryLevel(newEntry, (nuint)offset + (nuint)m_Buffer, newSize);
+                    SetEntryLevel(newEntry, offset + ((nuint)m_Buffer), newSize);
                     newEntry->State = EntryState.Empty;
 
                     BucketNode* b = (BucketNode*)newEntry->Position;
@@ -157,16 +214,16 @@ namespace StgSharp.Mathematics.Memory
 
             for (i--; i >= 0; i--)
             {
-                int size = _levelSizeArray[i];
-                long edge = end / size * size;
-                int count = (int)((long.Min(edge, end) - offset) / size);
+                uint size = _levelSizeArray[i];
+                nuint edge = (end / size) * size;
+                int count = (int)((nuint.Min(edge, end) - offset) / size);
                 if (count > 0)
                 {
-                    long newSize = count * size;
+                    nuint newSize = ((nuint)count) * size;
 
                     Entry* newEntry = (Entry*)_entries.Allocate();
                     InsertEntryBefore(newEntry, next);
-                    SetEntryLevel(newEntry, (nuint)offset + (nuint)m_Buffer, newSize);
+                    SetEntryLevel(newEntry, offset + ((nuint)m_Buffer), newSize);
                     newEntry->State = EntryState.Empty;
 
                     BucketNode* b = (BucketNode*)newEntry->Position;
@@ -192,16 +249,18 @@ namespace StgSharp.Mathematics.Memory
         /// <returns>
         ///   True if allocation succeeded
         /// </returns>
-        private bool TryAllocateNew32MBBlock(out Entry* handle)
+        private bool TryAllocateNew32MBBlock(
+                     out Entry* handle
+        )
         {
             nuint pos = _spareMemory->Position;
-            long remain = _spareMemory->Size;
+            nuint remain = _spareMemory->Size;
             if (remain <= 0)
             {
                 handle = null;
                 return false;
             }
-            long size = remain > 32 * 1024 * 1024L ? 32 * 1024 * 1024L : remain;
+            nuint size = (remain > 32 * 1024 * 1024L) ? (32 * 1024 * 1024U) : remain;
 
 
             // build new entry
@@ -212,7 +271,7 @@ namespace StgSharp.Mathematics.Memory
 
             // set fields of spare memory
             _spareMemory->Size -= size;
-            _spareMemory->Position += (nuint)size;
+            _spareMemory->Position += size;
 
 
             handle = e;
@@ -222,7 +281,11 @@ namespace StgSharp.Mathematics.Memory
         /// <summary>
         ///   Helper method for allocation - converts BucketNode to Entry
         /// </summary>
-        private bool TryPopLevelForAllocation(int levelIndex, int sizeIndex, out Entry* entry)
+        private bool TryPopLevelForAllocation(
+                     int levelIndex,
+                     int sizeIndex,
+                     out Entry* entry
+        )
         {
             if (TryPopLevel(levelIndex, sizeIndex, out BucketNode* bucketNode))
             {

StgSharp.Common/HighPerformance/Memory/HLSFAllocator.BucketNode.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="HLSFAllocator.BucketNode"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -30,18 +30,22 @@ using System.Reflection.Metadata;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public unsafe partial class HybridLayerSegregatedFitAllocator
     {
 
-        private void PushBucketToLevel(int levelIndex, int sizeIndex, BucketNode* node)
+        private void PushBucketToLevel(
+                     int levelIndex,
+                     int sizeIndex,
+                     BucketNode* node
+        )
         {
-            if (node == null || node->EntryRef == null) {
+            if ((node == null) || (node->EntryRef == null)) {
                 return;
             }
 
-            Index index = (levelIndex > MaxLevel) ? ^1 : (3 * levelIndex) + sizeIndex;
+            Index index = (levelIndex > MaxLevel) ? (^1) : ((3 * levelIndex) + sizeIndex);
             if (_bucketHeads[index] is null)
             {
                 _bucketHeads[index] = node;
@@ -69,9 +73,13 @@ namespace StgSharp.Mathematics.Memory
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private void RemoveFromBucket(int levelIndex, int sizeIndex, BucketNode* node)
+        private void RemoveFromBucket(
+                     int levelIndex,
+                     int sizeIndex,
+                     BucketNode* node
+        )
         {
-            Index index = (levelIndex > MaxLevel) ? ^1 : (3 * levelIndex) + sizeIndex;
+            Index index = (levelIndex > MaxLevel) ? (^1) : ((3 * levelIndex) + sizeIndex);
             if (_bucketHeads[index] == node)
             {
                 if (TryPopLevel(levelIndex, sizeIndex, out _)) {
@@ -94,9 +102,13 @@ namespace StgSharp.Mathematics.Memory
             return;
         }
 
-        private bool TryPopLevel(int levelIndex, int sizeIndex, out BucketNode* node)
+        private bool TryPopLevel(
+                     int levelIndex,
+                     int sizeIndex,
+                     out BucketNode* node
+        )
         {
-            Index index = levelIndex > MaxLevel ? ^1 : (3 * levelIndex) + sizeIndex;
+            Index index = (levelIndex > MaxLevel) ? (^1) : ((3 * levelIndex) + sizeIndex);
 
             BucketNode* head = _bucketHeads[index];
 
@@ -125,9 +137,13 @@ namespace StgSharp.Mathematics.Memory
             return true;
         }
 
-        private bool TryRemoveFromBucket(int levelIndex, int sizeIndex, BucketNode* node)
+        private bool TryRemoveFromBucket(
+                     int levelIndex,
+                     int sizeIndex,
+                     BucketNode* node
+        )
         {
-            Index index = levelIndex > 9 ? ^1 : (3 * levelIndex) + sizeIndex;
+            Index index = (levelIndex > 9) ? (^1) : ((3 * levelIndex) + sizeIndex);
             if (_bucketHeads[index] == node)
             {
                 bool ok = TryPopLevel(levelIndex, sizeIndex, out _);

StgSharp.Common/HighPerformance/Memory/HLSFAllocator.Debug.cs

@@ -31,7 +31,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public sealed class HLSFPositionChainBreakException : Exception
     {

StgSharp.Common/HighPerformance/Memory/HLSFAllocator.Free.cs

@@ -1,30 +1,27 @@
 //-----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// file="HLSFAllocator.Free.cs"
+// file="HLSFAllocator.Free"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
-// Permission is hereby granted, free of charge, to any person 
-// obtaining a copy of this software and associated documentation 
-// files (the “Software”), to deal in the Software without restriction, 
-// including without limitation the rights to use, copy, modify, merge,
-// publish, distribute, sublicense, and/or sell copies of the Software, 
-// and to permit persons to whom the Software is furnished to do so, 
-// subject to the following conditions:
-//     
-// The above copyright notice and 
-// this permission notice shall be included in all copies 
-// or substantial portions of the Software.
-//     
-// THE SOFTWARE IS PROVIDED “AS IS”, 
-// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
-// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
-// ARISING FROM, OUT OF OR IN CONNECTION WITH 
-// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
@@ -34,13 +31,14 @@ using System.Collections.Generic;
 using System.Drawing;
 using System.Linq;
 using System.Reflection.Emit;
+using System.Reflection.Metadata;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 
-using hlsfHandle = StgSharp.Mathematics.Memory.hlsfHandle;
+using hlsfHandle = StgSharp.HighPerformance.Memory.HlsfHandle;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public enum FreePolicy
     {
@@ -61,8 +59,8 @@ namespace StgSharp.Mathematics.Memory
         public partial void Collect()
         {
             Entry* cur = _spareMemory->NextNear;
-            long size = 0;
-            while (cur != null && cur != _spareMemory)
+            nuint size = 0;
+            while ((cur != null) && (cur != _spareMemory))
             {
                 // cur is not empty, skip
                 if (cur->State != EntryState.Empty)
@@ -79,7 +77,7 @@ namespace StgSharp.Mathematics.Memory
                     RemoveFromBucket(cur->Level, DetermineSegmentIndex(_levelSizeArray, cur->Size, cur->Level), (BucketNode*)cur->Position);
                     RemoveFromPositionChain(cur);
                     cur = next;
-                } while (cur != null && cur != _spareMemory && cur->State == EntryState.Empty);
+                } while ((cur != null) && (cur != _spareMemory) && (cur->State == EntryState.Empty));
                 if (size > 0) {
                     SliceMemory(cur, size);
                 }
@@ -87,13 +85,16 @@ namespace StgSharp.Mathematics.Memory
         }
 
         /// <summary>
-        ///   Free allocated memory block and perform adjacent block merging
-        /// </summary>
-        /// <param name="handle">
-        ///   Handle to the allocated memory block
-        ///  <param name="collectPolicy">
-        /// </param>
-        public void Free(hlsfHandle handle, FreePolicy collectPolicy = FreePolicy.NoCollect)
+		///   Free allocated memory block and perform adjacent block merging
+		/// </summary>
+		/// <param name="handle">
+		///   Handle to the allocated memory block
+		///  <param name="collectPolicy">
+		/// </param>
+        public void Free(
+                    HlsfHandle handle,
+                    FreePolicy collectPolicy = FreePolicy.NoCollect
+        )
         {
             Entry* e = handle.EntryHandle;
             if (e == null) {
@@ -113,7 +114,44 @@ namespace StgSharp.Mathematics.Memory
             }
 
             // Calculate final level and segment for the merged block
-            long finalSize = e->Size;
+            nuint finalSize = e->Size;
+            int finalLevel = GetLevelFromSize(finalSize);
+            e->Level = finalLevel;
+            int finalSegment = DetermineSegmentIndex(_levelSizeArray, finalSize, finalLevel);
+
+            // Push the merged entry back to appropriate bucket
+            PushBucketToLevel(finalLevel, finalSegment, (BucketNode*)e->Position);
+
+            // Console.WriteLine("one block freed");
+            if (collectPolicy == FreePolicy.FullCollect)
+            {
+                Collect();
+            }
+        }
+
+        internal void Free(
+                      Entry* e,
+                      FreePolicy collectPolicy = FreePolicy.NoCollect
+        )
+        {
+            if (e == null) {
+                return;
+            }
+            if (e->State != EntryState.Alloc) {
+                return;
+            }
+
+            // Mark as empty so it can be merged
+            e->State = EntryState.Empty;
+
+            // Try merge with adjacent free blocks and remove them from buckets
+            if (collectPolicy == FreePolicy.LazyCollect)
+            {
+                MergeAndRemoveFromBuckets(e);
+            }
+
+            // Calculate final level and segment for the merged block
+            nuint finalSize = e->Size;
             int finalLevel = GetLevelFromSize(finalSize);
             e->Level = finalLevel;
             int finalSegment = DetermineSegmentIndex(_levelSizeArray, finalSize, finalLevel);

StgSharp.Common/HighPerformance/Memory/HLSFAllocator.Level.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="HLSFAllocator.Level"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -33,23 +33,38 @@ using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public unsafe partial class HybridLayerSegregatedFitAllocator
     {
 
         private const int MaxLevel = 9;
 
-        private int[] _levelSizeArray = [64, 256, 1024, 4096, 16384, 65536, 262144, 1048576, 4194304, 16777216];
+        private uint[] _levelSizeArray = [
+            64U,
+            256U,
+            1024U,
+            4096U,
+            16384U,
+            65536U,
+            262144U,
+            1048576U,
+            4194304U,
+            16777216U
+        ];
 
-        public int AlignOfLevel(int bucketLevel)
+        public int AlignOfLevel(
+                   int bucketLevel
+        )
         {
-            int blockSize = _levelSizeArray[bucketLevel];
-            return int.Min(blockSize, _align);
+            uint blockSize = _levelSizeArray[bucketLevel];
+            return Math.Min((int)blockSize, _align);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static int GetLevelFromSize(long size)
+        private static int GetLevelFromSize(
+                           nuint size
+        )
         {
             /*
                 * Level sizes: [64, 256, 1024, 4096, 16384, 65536, 262144, 1048576, 4194304, 16777216, ......]
@@ -72,7 +87,9 @@ namespace StgSharp.Mathematics.Memory
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static int GetLevelFromSize(uint size)
+        private static int GetLevelFromSize(
+                           uint size
+        )
         {
             return GetLevelFromSize(size);
         }

StgSharp.Common/HighPerformance/Memory/HLSFAllocator.SegmentEntry.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="HLSFAllocator.SegmentEntry"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -29,7 +29,7 @@ using System;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public unsafe partial class HybridLayerSegregatedFitAllocator
     {
@@ -38,37 +38,51 @@ namespace StgSharp.Mathematics.Memory
         ///   Check if two Entries are adjacent in memory
         /// </summary>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static bool AssertAdjacentTo(Entry* current, Entry* other)
+        private static bool AssertAdjacentTo(
+                            Entry* current,
+                            Entry* other
+        )
         {
             // Only a predicate; never throw here. Callers rely on false to skip merging.
-            return other->Position + (nuint)other->Size == current->Position ||
-                   current->Position + (nuint)current->Size == other->Position;
+            return (other->Position + other->Size == current->Position) ||
+                   (current->Position + current->Size == other->Position);
         }
 
         /// <summary>
         ///   check out if a bucket is within the same higher-level boundary as currentOffset
         /// </summary>
-        private bool AssertBoundary(Entry* previous, Entry* current, int level)
+        private bool AssertBoundary(
+                     Entry* previous,
+                     Entry* current,
+                     int level
+        )
         {
             level = int.Min(level, MaxLevel);
-            int nextLevelSize = _levelSizeArray[level] * 4;
-            ulong prevHead = previous->Position - (ulong)m_Buffer,
-                currHead = current->Position - (ulong)m_Buffer;
-            return (currHead / (ulong)nextLevelSize) == (prevHead / (ulong)nextLevelSize);
+            uint nextLevelSize = _levelSizeArray[level] * 4;
+            ulong prevHead = previous->Position - ((ulong)m_Buffer),
+                currHead = current->Position - ((ulong)m_Buffer);
+            return currHead / nextLevelSize == prevHead / nextLevelSize;
         }
 
         /// <summary>
         ///   Determine segment index based on size and originLevel
         /// </summary>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static int DetermineSegmentIndex(int[] levelSizeArray, long size, int level)
+        private static int DetermineSegmentIndex(
+                           uint[] levelSizeArray,
+                           ulong size,
+                           int level
+        )
         {
             level = int.Min(level, MaxLevel);
             return (int)((size - 1) / levelSizeArray[level]);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static void InsertEntryAfter(Entry* entry, Entry* position)
+        private static void InsertEntryAfter(
+                            Entry* entry,
+                            Entry* position
+        )
         {
             Entry* next = position->NextNear;
             entry->NextNear = next;
@@ -78,7 +92,10 @@ namespace StgSharp.Mathematics.Memory
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static void InsertEntryBefore(Entry* entry, Entry* position)
+        private static void InsertEntryBefore(
+                            Entry* entry,
+                            Entry* position
+        )
         {
             Entry* prev = position->PreviousNear;
             entry->NextNear = position;
@@ -92,24 +109,26 @@ namespace StgSharp.Mathematics.Memory
         ///   Current Entry will serve as the final merged block. The Merge will be in lazy
         ///   strategy.
         /// </summary>
-        private void MergeAndRemoveFromBuckets(Entry* entry)
+        private void MergeAndRemoveFromBuckets(
+                     Entry* entry
+        )
         {
             if (entry == null) {
                 return;
             }
 
 
-            long size = entry->Size;
+            nuint size = entry->Size;
             int originLevel = entry->Level;
             int segment = DetermineSegmentIndex(_levelSizeArray, size, originLevel);
             do
             {
                 // previous direction merge
                 Entry* p = entry->PreviousNear;
-                if (p == null ||
-                    p == _spareMemory ||
-                    p->State != EntryState.Empty ||
-                    p->Level != entry->Level ||
+                if ((p == null) ||
+                    (p == _spareMemory) ||
+                    (p->State != EntryState.Empty) ||
+                    (p->Level != entry->Level) ||
                     !AssertBoundary(p, entry, originLevel))
                 {
                     break;
@@ -126,10 +145,10 @@ namespace StgSharp.Mathematics.Memory
             {
                 // next direction merge
                 Entry* n = entry->NextNear;
-                if (n == null ||
-                    n == _spareMemory ||
-                    n->State != EntryState.Empty ||
-                    n->Level != entry->Level ||
+                if ((n == null) ||
+                    (n == _spareMemory) ||
+                    (n->State != EntryState.Empty) ||
+                    (n->Level != entry->Level) ||
                     !AssertBoundary(n, entry, originLevel))
                 {
                     break;
@@ -141,7 +160,7 @@ namespace StgSharp.Mathematics.Memory
                 RemoveFromPositionChain(n);
             } while (true);
             originLevel = int.Min(9, originLevel);
-            entry->Level += entry->Size >= _levelSizeArray[originLevel] * 4 ? 1 : 0;
+            entry->Level += (entry->Size >= _levelSizeArray[originLevel] * 4) ? 1 : 0;
             entry->Level &= 15;
 
             BucketNode* bucket = (BucketNode*)entry->Position;
@@ -152,7 +171,9 @@ namespace StgSharp.Mathematics.Memory
         ///   Remove node from position linked list, this method does not recycle a BucketNode from
         ///   size bucket
         /// </summary>
-        private void RemoveFromPositionChain(Entry* entry)
+        private void RemoveFromPositionChain(
+                     Entry* entry
+        )
         {
             Entry* prev = entry->PreviousNear;
             Entry* next = entry->NextNear;
@@ -169,7 +190,11 @@ namespace StgSharp.Mathematics.Memory
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private static void SetEntryLevel(Entry* entry, nuint position, long size)
+        private static void SetEntryLevel(
+                            Entry* entry,
+                            nuint position,
+                            nuint size
+        )
         {
             entry ->Position = position;
             entry->Size = size;
@@ -188,7 +213,7 @@ namespace StgSharp.Mathematics.Memory
             [FieldOffset(8)] internal Entry* PreviousNear;  // Position linked list: previous pointer
 
             [FieldOffset(24)] internal int Level;           // Level of the block in the allocator
-            [FieldOffset(16)] internal long Size;           // Block size information
+            [FieldOffset(16)] internal nuint Size;           // Block size information
             [FieldOffset(36)] public EntryState State;
             [FieldOffset(28)]  public nuint Position;        // Memory block position
 

StgSharp.Common/HighPerformance/Memory/HLSFAllocator.cs

@@ -1,30 +1,27 @@
 //-----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// file="HLSFAllocator.cs"
+// file="HLSFAllocator"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
-// Permission is hereby granted, free of charge, to any person 
-// obtaining a copy of this software and associated documentation 
-// files (the “Software”), to deal in the Software without restriction, 
-// including without limitation the rights to use, copy, modify, merge,
-// publish, distribute, sublicense, and/or sell copies of the Software, 
-// and to permit persons to whom the Software is furnished to do so, 
-// subject to the following conditions:
-//     
-// The above copyright notice and 
-// this permission notice shall be included in all copies 
-// or substantial portions of the Software.
-//     
-// THE SOFTWARE IS PROVIDED “AS IS”, 
-// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
-// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
-// ARISING FROM, OUT OF OR IN CONNECTION WITH 
-// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
@@ -33,9 +30,9 @@ using System.Buffers;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Text;
-using hlsfHandle = StgSharp.Mathematics.Memory.hlsfHandle;
+using hlsfHandle = StgSharp.HighPerformance.Memory.HlsfHandle;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public unsafe partial class HybridLayerSegregatedFitAllocator : IDisposable
     {
@@ -50,32 +47,36 @@ namespace StgSharp.Mathematics.Memory
         private readonly Action<nuint> _freeHandle;
         private bool disposedValue;
         private readonly int _align;
-        private readonly long _maxSize;
+        private readonly nuint _maxSize;
         private readonly nuint _size;
         private readonly SlabAllocator<Entry> _entries;
 
         internal HybridLayerSegregatedFitAllocator(
                  nuint byteSize,
                  int align,
-                 long maxBlockSize,
+                 nuint maxBlockSize,
                  Func<nuint, int, nuint> allocator,
                  Action<nuint> freeHandle,
-                 SlabAllocator<Entry>? entryManager)
-            : this(byteSize, align, maxBlockSize, (void*)allocator(byteSize, align), freeHandle, entryManager) { }
+                 SlabAllocator<Entry>? entryManager
+        )
+            : this(byteSize, align, maxBlockSize, (void*)allocator(byteSize, align), freeHandle,
+                   entryManager) { }
 
         internal HybridLayerSegregatedFitAllocator(
                  nuint byteSize,
                  int align,
-                 long maxBlockSize,
+                 nuint maxBlockSize,
                  void* externalPointer,
                  Action<nuint> freeHandle,
-                 SlabAllocator<Entry>? entryManager = null)
+                 SlabAllocator<Entry>? entryManager = null
+        )
         {
-            if (align < 16 || (align & (align - 1)) != 0) {
+            if ((align < 16) || ((align & (align - 1)) != 0)) {
                 throw new ArgumentException(
                                 "Alignment must be a power of two and at least 16 bytes.");
             }
-            _entries = entryManager ?? SlabAllocator.Create<Entry>(64, SlabBufferLayout.Chunked, false);
+            _entries = entryManager ??
+                SlabAllocator.Create<Entry>(64, SlabBufferLayout.Chunked, false);
             m_Buffer = (byte*)externalPointer;
             _align = align;
             _size = byteSize;
@@ -85,13 +86,13 @@ namespace StgSharp.Mathematics.Memory
             _spareMemory->PreviousNear = _spareMemory;
             _spareMemory->NextNear = _spareMemory;
             _spareMemory->Position = (nuint)m_Buffer;
-            _spareMemory->Size = (long)byteSize;
+            _spareMemory->Size = byteSize;
 
             int levelCountOrigin = _levelSizeArray.Length;
             int levelCount = GetLevelFromSize(maxBlockSize) + 1;
             Array.Resize(ref _levelSizeArray, levelCount);
             _bucketHeads = new BucketNode*[(levelCount * 3) + 1];
-            int size = _levelSizeArray[^1];
+            uint size = _levelSizeArray[^1];
             for (int i = levelCountOrigin; i < levelCount; i++)
             {
                 size *= 4;
@@ -101,22 +102,37 @@ namespace StgSharp.Mathematics.Memory
             _freeHandle = freeHandle ?? (static _ => { });
         }
 
-        public HybridLayerSegregatedFitAllocator(nuint byteSize)
-            : this(
-            byteSize, 16, 32U * 1024U * 1024U, NativeMemory.AlignedAlloc(byteSize, 16), ptr => NativeMemory.AlignedFree((void*)ptr)) { }
+        public HybridLayerSegregatedFitAllocator(
+               nuint byteSize
+        )
+            : this(byteSize, 16, 32U * 1024U * 1024U, NativeMemory.AlignedAlloc(byteSize, 16),
+                   ptr => NativeMemory.AlignedFree((void*)ptr)) { }
 
-        public HybridLayerSegregatedFitAllocator(nuint byteSize, uint maxBlockSize)
-            : this(
-            byteSize, 16, maxBlockSize, NativeMemory.AlignedAlloc(byteSize, 16), ptr => NativeMemory.AlignedFree((void*)ptr)) { }
+        public HybridLayerSegregatedFitAllocator(
+               nuint byteSize,
+               uint maxBlockSize
+        )
+            : this(byteSize, 16, maxBlockSize, NativeMemory.AlignedAlloc(byteSize, 16),
+                   ptr => NativeMemory.AlignedFree((void*)ptr)) { }
 
-        public HybridLayerSegregatedFitAllocator(nuint byteSize, int align)
-            : this(
-            byteSize, align, 32U * 1024U * 1024U, NativeMemory.AlignedAlloc(byteSize, 16), ptr => NativeMemory.AlignedFree((void*)ptr)) { }
+        public HybridLayerSegregatedFitAllocator(
+               nuint byteSize,
+               int align
+        )
+            : this(byteSize, align, 32U * 1024U * 1024U, NativeMemory.AlignedAlloc(byteSize, 16),
+                   ptr => NativeMemory.AlignedFree((void*)ptr)) { }
 
-        public HybridLayerSegregatedFitAllocator(nuint byteSize, int align, long maxBlockSize)
-            : this(byteSize, align, maxBlockSize, NativeMemory.AlignedAlloc(byteSize, 16), ptr => NativeMemory.AlignedFree((void*)ptr)) { }
+        public HybridLayerSegregatedFitAllocator(
+               nuint byteSize,
+               int align,
+               nuint maxBlockSize
+        )
+            : this(byteSize, align, maxBlockSize, NativeMemory.AlignedAlloc(byteSize, 16),
+                   ptr => NativeMemory.AlignedFree((void*)ptr)) { }
 
-        public partial hlsfHandle Alloc(long size);
+        public partial HlsfHandle Alloc(
+                                  nuint size
+        );
 
         public partial void Collect();
 
@@ -126,7 +142,9 @@ namespace StgSharp.Mathematics.Memory
             GC.SuppressFinalize(this);
         }
 
-        protected virtual void Dispose(bool disposing)
+        protected virtual void Dispose(
+                               bool disposing
+        )
         {
             if (!disposedValue)
             {

StgSharp.Common/HighPerformance/Memory/L4.CacheLine.cs

@@ -44,13 +44,23 @@ namespace StgSharp.HighPerformance.Memory
         private unsafe struct CacheLineHead
         {
 
-            internal int _id;
-            internal int _predictor;
-            internal int _refCount;
             internal nuint _address;
             internal nuint _origin;
-            internal uint _profile;
 
+            #region
+
+            internal int _refCount;
+            internal uint _size;
+
+            #endregion
+
+            #region
+
+            internal int _id;
+            internal short _predictor;
+            internal ushort _profile;
+
+        #endregion
         }
 
     }

StgSharp.Common/HighPerformance/Memory/L4.Debug.cs

@@ -33,6 +33,7 @@ using System.Threading.Tasks;
 
 namespace StgSharp.HighPerformance.Memory
 {
+    /**/
     public partial class L4
     {
 
@@ -57,6 +58,8 @@ namespace StgSharp.HighPerformance.Memory
 
         public unsafe DebugSnapshot GetDebugSnapshot()
         {
+            throw new NotImplementedException();
+            /*
             int maxId = _maxId;
             byte[] rrpv = new byte[maxId];
             byte* p = (byte*)_eviction;
@@ -64,6 +67,7 @@ namespace StgSharp.HighPerformance.Memory
                 rrpv[i] = p[i];
             }
             return new DebugSnapshot(_activeCount, _aheadCount, maxId, rrpv);
+            /**/
         }
 
         public readonly struct DebugSnapshot
@@ -104,4 +108,5 @@ namespace StgSharp.HighPerformance.Memory
         }
 
     }
+    /**/
 }

StgSharp.Common/HighPerformance/Memory/L4.Evict.cs

@@ -34,6 +34,8 @@ using System.Runtime.Intrinsics.X86;
 using System.Text;
 using System.Threading.Tasks;
 
+using Hlsf = StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
+
 namespace StgSharp.HighPerformance.Memory
 {
     public partial class L4
@@ -78,7 +80,7 @@ namespace StgSharp.HighPerformance.Memory
                         {
                             // EvictLine(i + index);
                             _ = _map.TryRemove(head->_origin, out _);
-                            int id = (int)head->_predictor;
+                            int id = head->_predictor;
                             IL4Predict predict = pSpan[id] ??
                                 throw new L4PredictUnregisteredException(id);
                             predict.WriteBack(head->_origin, head->_profile, new ReadOnlySpan<byte>((byte*)head->_address, Unsafe.SizeOf<CacheLineData>()));
@@ -97,23 +99,29 @@ namespace StgSharp.HighPerformance.Memory
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private void RecycleLine(
-                     int id
+        private unsafe void RecycleLine(
+                            int id
         )
         {
-            _idMux.Push(id);
+            Hlsf.Entry* entry = _entryManager._basePtr + id;
+            _bufferAllocator.Free(entry);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        private bool TryGetEmptyLine(
-                     out int index
+        private unsafe bool TryGetEmptyLine(
+                            nuint size,
+                            out int index,
+                            out HlsfHandle handle
         )
         {
-            if (_idMux.TryPop(out index)) {
-                return true;
+            if (!_bufferAllocator.TryAlloc(size, out handle))
+            {
+                index = 0;
+                return false;
             }
-            index = _maxId;
-            return Interlocked.Increment(ref _maxId) <= CacheLineCount;
+            Hlsf.Entry* entry = handle.EntryHandle;
+            index = (int)(entry - _entryManager._basePtr);
+            return true;
         }
 
     }

StgSharp.Common/HighPerformance/Memory/L4.Predict.cs

@@ -25,8 +25,8 @@
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-using StgSharp.Common.Collections;
-using StgSharp.Mathematics.Memory;
+using StgSharp.Collections;
+using StgSharp.HighPerformance.Memory;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -61,6 +61,9 @@ namespace StgSharp.HighPerformance.Memory
             if (!_idReuse.TryPop(out int id)) {
                 id = _largestId++;
             }
+            if (id > short.MaxValue) {
+                throw new OverflowException("Too many predictors in waiting");
+            }
             _predictors[id] = predict;
             _predictionQueue.Enqueue(id);
             return id;
@@ -90,8 +93,7 @@ namespace StgSharp.HighPerformance.Memory
             }
             if (_predictionQueue.TryDequeue(out int id))
             {
-                IL4Predict predict = _predictors[id] ??
-                    throw new L4PredictUnregisteredException(id);
+                IL4Predict predict = _predictors[id] ?? throw new L4PredictUnregisteredException(id);
                 CurrentPredict = predict;
                 CurrentPredictIndex = id;
                 return true;

StgSharp.Common/HighPerformance/Memory/L4.Predictor.cs

@@ -71,7 +71,7 @@ namespace StgSharp.HighPerformance.Memory
         ///   to the current predictor.
         /// </remarks>
         bool IsSamePolicy(
-             uint policy,
+             ushort policy,
              IL4Predict predict
         );
 
@@ -161,7 +161,7 @@ namespace StgSharp.HighPerformance.Memory
 
 #pragma warning disable CA1051
         public nuint Address;
-        public int Size;
+        public uint Size;
         public ushort MapPolicy;
         internal short Predictor;
 #pragma warning restore CA1051

StgSharp.Common/HighPerformance/Memory/L4.Prefetch.cs

@@ -60,7 +60,7 @@ namespace StgSharp.HighPerformance.Memory
             {
                 ref CacheLinePrediction handle = ref span[i];
                 nuint address = handle.Address;
-                if (!TestHit(address))
+                if (!_map.TryGet(address, out _))
                 {
                     // miss and record
                     span[missIndex] = handle;
@@ -88,19 +88,21 @@ namespace StgSharp.HighPerformance.Memory
 
                         int predictId = head->_predictor;
                         IL4Predict belong = predictorSpan[predictId];
+
+                        // TODO 由于L4的缓存行改为“可变长度”缓存行，需要调整缓存行复用策略
                         // This branch performs resident-line adoption rather than a simple policy
                         // equality check. Returning true means the current predictor can keep using
                         // the existing cache bytes without a write-back plus re-prefetch cycle.
                         if (predict.IsSamePolicy(head->_profile, belong))
                         {
-                            head->_predictor =predictIndex;
+                            head->_predictor = (short)predictIndex;
                         } else
                         {
                             // Compatibility failed, so the old owner must first flush its view of
                             // the line before the new predictor rematerializes the cache bytes.
-                            belong.WriteBack(head->_origin, head->_profile, new ReadOnlySpan<byte>((byte*)head->_address, Unsafe.SizeOf<CacheLineData>()));
+                            belong.WriteBack(head->_origin, head->_profile, new ReadOnlySpan<byte>((byte*)head->_address, head->_size));
                             head->_profile = pHandle.MapPolicy;
-                            predict.Prefetch(head->_origin, head->_profile, new Span<byte>((byte*)head->_address, Unsafe.SizeOf<CacheLineData>()));
+                            predict.Prefetch(head->_origin, head->_profile, new Span<byte>((byte*)head->_address, head->_size));
                         }
 
                         #endregion
@@ -110,7 +112,8 @@ namespace StgSharp.HighPerformance.Memory
 
                     int retryCount = 0, remain = missIndex - i;
                     const int maxRetry = 1024;
-                    while (!TryGetEmptyLine(out index))
+                    HlsfHandle hlsfHandle;
+                    while (!TryGetEmptyLine(pHandle.Size, out index, out hlsfHandle))
                     {
                         remain = Evict(remain);
                         retryCount++;
@@ -126,11 +129,12 @@ namespace StgSharp.HighPerformance.Memory
                     head->_origin = address;
                     head->_profile = pHandle.MapPolicy;
                     head->_refCount = 0;
-                    head->_predictor = predictIndex;
-                    head->_address = (nuint)(_data + index);
+                    head->_predictor = (short)predictIndex;
+                    head->_address = (nuint)hlsfHandle.Pointer;
+                    head->_size = pHandle.Size;
 
                     // pre fetch them here
-                    predict.Prefetch(head->_origin, head->_profile, new Span<byte>((byte*)head->_address, Unsafe.SizeOf<CacheLineData>()));
+                    predict.Prefetch(head->_origin, head->_profile, new Span<byte>((byte*)head->_address, (int)head->_size));
                     _ = _map.TryAddOrSet(address, (nuint)head, out _);
                 }
                 _ = Interlocked.Add(ref _aheadCount, actualCount);

StgSharp.Common/HighPerformance/Memory/L4.Slab.cs

@@ -0,0 +1,102 @@
+//-----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+// file="L4.Slab"
+// Project: StgSharp
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
+//     
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+//     
+// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Hlsf = StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
+
+namespace StgSharp.HighPerformance.Memory
+{
+    public partial class L4
+    {
+
+        private sealed unsafe class Slab : SlabAllocator<Hlsf.Entry>
+        {
+
+            private const int Capacity = L4.CacheLineCount;
+
+            private int _maxUnused;
+            private int _recycleCount;
+
+            internal readonly Hlsf.Entry* _basePtr;
+            internal readonly int* _indexReuse;
+
+            public Slab(
+                   nuint ptr
+            )
+            {
+                _basePtr = (Hlsf.Entry*)ptr;
+                _indexReuse = (int*)(_basePtr + Capacity);
+                _maxUnused = 0;
+                _recycleCount = 0;
+            }
+
+            public static nuint RequestedAllocation { get; } = ((nuint)(Unsafe.SizeOf<Hlsf.Entry>() + sizeof(int))) * Capacity;
+
+            public override nuint Allocate()
+            {
+                if (_recycleCount > 0) {
+                    return (nuint)(_basePtr + _indexReuse[_recycleCount - 1]);
+                }
+                if (_maxUnused >= Capacity) {
+                    throw new OverflowException("Slab is full");
+                }
+                int index = _maxUnused;
+                _maxUnused++;
+                return (nuint)(_basePtr + index);
+            }
+
+            public override void Dispose()
+            {
+                GC.SuppressFinalize(this);
+            }
+
+            public override void EnterBufferReading() { }
+
+            public override void ExitBufferReading() { }
+
+            public override void Free(
+                                 nuint index
+            )
+            {
+                _indexReuse[_recycleCount] = (int)index;
+                _recycleCount++;
+            }
+
+            public override SlabAllocationHandle<Hlsf.Entry> ReadAllocation()
+            {
+                return new(this, false);
+            }
+
+        }
+
+    }
+}

StgSharp.Common/HighPerformance/Memory/L4.cs

@@ -1,40 +1,37 @@
 //-----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// file="L4.cs"
+// file="L4"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
-// Permission is hereby granted, free of charge, to any person 
-// obtaining a copy of this software and associated documentation 
-// files (the “Software”), to deal in the Software without restriction, 
-// including without limitation the rights to use, copy, modify, merge,
-// publish, distribute, sublicense, and/or sell copies of the Software, 
-// and to permit persons to whom the Software is furnished to do so, 
-// subject to the following conditions:
-//     
-// The above copyright notice and 
-// this permission notice shall be included in all copies 
-// or substantial portions of the Software.
-//     
-// THE SOFTWARE IS PROVIDED “AS IS”, 
-// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
-// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
-// ARISING FROM, OUT OF OR IN CONNECTION WITH 
-// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 using StgSharp.Collections;
-using StgSharp.Common.HighPerformance.ProcessorAbstraction;
-using StgSharp.Mathematics.Memory;
+using StgSharp.HighPerformance.Memory;
+using StgSharp.HighPerformance.ProcessorAbstraction;
 using System.Data;
 using System.Runtime.InteropServices;
 
-using HLSF = StgSharp.Mathematics.Memory.HybridLayerSegregatedFitAllocator;
+using HLSF = StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
 
 namespace StgSharp.HighPerformance.Memory
 {
@@ -42,6 +39,7 @@ namespace StgSharp.HighPerformance.Memory
     {
 
         private const int CacheLineCount = 8192;
+        private const nuint PageSize = 4096;
         private const int PredictionCount = 2048;
         private const int PredictionLeastAhead = 1024;
 
@@ -58,54 +56,62 @@ namespace StgSharp.HighPerformance.Memory
         private int _aheadCount;
 
         private readonly int _bindedNuma;
-        private int _maxId;
         private volatile int _prefetching;
         private readonly nuint _baseAddress;
-        private readonly SlabAllocator<HLSF.Entry> _entryManager;
+        private readonly Slab _entryManager;
         private readonly SwissTable _map;
-        private readonly UnmanagedStack<int> _idMux;
 
-        public L4(int bindedNuma, nuint bufferSize = 8192 * 8192, int align = 16, int maxCacheLineSize = 8192)
+        public L4(
+               int bindedNuma,
+               nuint bufferSize = 8192 * 8192,
+               int align = 16,
+               nuint maxCacheLineSize = 8192
+        )
         {
             _bindedNuma = bindedNuma;
 
             // init order is fallow by align requirement of each component.
-            nuint cacheSize = ((nuint)Unsafe.SizeOf<HLSF.Entry>()) * CacheLineCount;   // SIMDID, no less than 16 byte bit
-            nuint entrySize = ((nuint)Unsafe.SizeOf<CacheLineHead>()) * CacheLineCount;   // 16 byte align
+            nuint entrySize = Slab.RequestedAllocation;   // SIMDID, no less than 16 byte bit
+            nuint headSize = ((nuint)Unsafe.SizeOf<CacheLineHead>()) * CacheLineCount;   // 16 byte align
             nuint predictionSize = ((nuint)Unsafe.SizeOf<CacheLinePrediction>()) * PredictionCount;   //16 byte align
             nuint mapSize = SwissTable.RequestedNativeMemorySize;     // 16 byte align
             nuint rrpvSize = (nuint)Unsafe.SizeOf<EvictionArray>();           // 16 byte align
-            nuint stackSize = ((nuint)sizeof(int)) * CacheLineCount;                      // int align
+            nuint normalizedBufferSize = (bufferSize + (PageSize - 1)) & (~(PageSize - 1));    // align to 4096 byte, page size
+            ByteCapacity = normalizedBufferSize;
 
             // malloc all memory at once, and free at once in Dispose.
             // This is to avoid fragmentation and improve performance.
-            _baseAddress = (nuint)Numa.Alloc(bindedNuma, cacheSize + entrySize + stackSize + mapSize + predictionSize + rrpvSize);
+            _baseAddress = (nuint)Numa.Alloc(bindedNuma, entrySize + headSize + mapSize + predictionSize + rrpvSize + normalizedBufferSize);
             nuint ptr = _baseAddress;
 
-            // init all components with the buffer, and move the buffer pointer forward.
-            _entryManager = SlabAllocator.FromBuffer();
+            AllocSize = entrySize;
 
-            _bufferAllocator = new HLSF(cacheSize, align, maxCacheLineSize, (void*)_baseAddress, static _ => { });
-            nuint _buffer = _baseAddress;
-            ptr += cacheSize;
-            _head = (CacheLineHead*)ptr;
+            // init all components with the buffer, and move the buffer pointer forward.
+            nuint _buffer = _baseAddress + normalizedBufferSize;
+            _entryManager = new Slab(_buffer);
+            _bufferAllocator = new HLSF(entrySize, align, maxCacheLineSize, (void*)_baseAddress,
+                                        static _ => { }, _entryManager);
             ptr += entrySize;
+            _head = (CacheLineHead*)ptr;
+            ptr += headSize;
             _prediction = (CacheLinePrediction*)ptr;
             ptr += predictionSize;
             _map = SwissTable.Create(ptr, _ => { });
             ptr += mapSize;
             _eviction = (EvictionArray*)ptr;
             ptr += rrpvSize;
-            _idMux = new UnmanagedStack<int>((int*)ptr, CacheLineCount, _ => { });
-            ptr += stackSize;
         }
 
-        public static nuint AllocSize { get; }
+        public nuint ByteCapacity { get; init; }
+
+        public nuint AllocSize { get; init; }
 
         // public IL4Predict PrefetchPredict { get; set; }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public void ContinueOnce(L4CacheLine line)
+        public void ContinueOnce(
+                    L4CacheLine line
+        )
         {
             if (line.Address > 0) {
                 _ = Interlocked.Decrement(ref _aheadCount);
@@ -127,22 +133,25 @@ namespace StgSharp.HighPerformance.Memory
             }
             _disposed = true;
             _map.Dispose();
-            _idMux.Dispose();
+            _entryManager.Dispose();
             _bufferAllocator.Dispose();
 
 
-            nuint cacheSize = ((nuint)Unsafe.SizeOf<CacheLineData>()) * CacheLineCount;   // SIMDID, no less than 16 byte bit
-            nuint entrySize = ((nuint)Unsafe.SizeOf<CacheLineHead>()) * CacheLineCount;   // 16 byte align
+            // init order is fallow by align requirement of each component.
+            nuint entrySize = Slab.RequestedAllocation;   // SIMDID, no less than 16 byte bit
+            nuint headSize = ((nuint)Unsafe.SizeOf<CacheLineHead>()) * CacheLineCount;   // 16 byte align
             nuint predictionSize = ((nuint)Unsafe.SizeOf<CacheLinePrediction>()) * PredictionCount;   //16 byte align
             nuint mapSize = SwissTable.RequestedNativeMemorySize;     // 16 byte align
             nuint rrpvSize = (nuint)Unsafe.SizeOf<EvictionArray>();           // 16 byte align
-            nuint stackSize = ((nuint)sizeof(int)) * CacheLineCount;                      // int align
-            Numa.Free((void*)_baseAddress, _bindedNuma, cacheSize + entrySize + stackSize + mapSize + predictionSize + rrpvSize);
+            nuint normalizedBufferSize = ByteCapacity;    // align to 4096 byte, page size
+            Numa.Free((void*)_baseAddress, _bindedNuma, entrySize + headSize + mapSize + predictionSize + rrpvSize + normalizedBufferSize);
             GC.SuppressFinalize(this);
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public L4CacheLine Map(nuint origin)
+        public L4CacheLine Map(
+                           nuint origin
+        )
         {
             if ((_aheadCount < PredictionLeastAhead) && !_exhausted)
             {
@@ -194,7 +203,11 @@ namespace StgSharp.HighPerformance.Memory
         private ref int _refCount;
         private nuint _handle;
 
-        internal L4CacheLine(nuint handle, ref int activeCount, ref int cacheRefCount)
+        internal L4CacheLine(
+                 nuint handle,
+                 ref int activeCount,
+                 ref int cacheRefCount
+        )
         {
             _handle = handle;
             _refCount = ref cacheRefCount;

StgSharp.Common/HighPerformance/Memory/SlabAllocationHandle.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="SlabAllocationHandle"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -28,14 +28,17 @@
 using System;
 using System.Runtime.CompilerServices;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
-    public unsafe struct SlabAllocationHandle<T> : IDisposable where T: unmanaged
+    public unsafe struct SlabAllocationHandle<T> : IDisposable where T : unmanaged
     {
 
         private readonly SlabAllocator<T> _allocator;
 
-        internal SlabAllocationHandle(SlabAllocator<T> allocator, bool locked)
+        internal SlabAllocationHandle(
+                 SlabAllocator<T> allocator,
+                 bool locked
+        )
         {
             _allocator = allocator;
             Locked = locked;

StgSharp.Common/HighPerformance/Memory/SlabAllocator.Chunked.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="SlabAllocator.Chunked"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -33,9 +33,9 @@ using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Threading;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
-    internal sealed unsafe class ChunkedSlabAllocator<T> : SlabAllocator<T> where T: unmanaged
+    internal sealed unsafe class ChunkedSlabAllocator<T> : SlabAllocator<T> where T : unmanaged
     {
 
         private bool _disposed;
@@ -47,9 +47,11 @@ namespace StgSharp.Mathematics.Memory
         private nuint _currentBuffer;
         private nuint _currentCapacity, _currentIndex;
 
-        public ChunkedSlabAllocator(nuint count)
+        public ChunkedSlabAllocator(
+               nuint count
+        )
         {
-            _currentBuffer = (nuint)NativeMemory.Alloc(count * (nuint)_elementSize);
+            _currentBuffer = (nuint)NativeMemory.Alloc(count * ((nuint)_elementSize));
 
             _currentCapacity = count;
             int initCount = count switch
@@ -60,7 +62,7 @@ namespace StgSharp.Mathematics.Memory
             };
             Span<nuint> span = stackalloc nuint[initCount];
             for (int i = 0; i < initCount; i++) {
-                span[i] = _currentBuffer + (nuint)(i * _elementSize);
+                span[i] = _currentBuffer + ((nuint)(i * _elementSize));
             }
             _buffers = new(4);
             _buffers.Push(_currentBuffer);
@@ -80,14 +82,14 @@ namespace StgSharp.Mathematics.Memory
             if (curIndex >= _currentCapacity)
             {
                 nuint cap = _currentCapacity;
-                nuint newBuffer = (nuint)NativeMemory.Alloc(cap * (nuint)_elementSize);
+                nuint newBuffer = (nuint)NativeMemory.Alloc(cap * ((nuint)_elementSize));
                 _buffers.Push(newBuffer);
                 _currentBuffer = newBuffer;
                 _currentIndex = 0;
             }
             curIndex = _currentIndex;
             _currentIndex += 1;
-            return _currentBuffer + ((nuint)_elementSize * curIndex);
+            return _currentBuffer + (((nuint)_elementSize) * curIndex);
         }
 
         public override void Dispose()
@@ -114,7 +116,9 @@ namespace StgSharp.Mathematics.Memory
         public override void ExitBufferReading() { }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public override void Free(nuint index)
+        public override void Free(
+                             nuint index
+        )
         {
             _recycle.Push(index);
         }

StgSharp.Common/HighPerformance/Memory/SlabAllocator.ChunkedConcurrent.cs

@@ -36,7 +36,7 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     internal sealed unsafe class ConcurrentChunkedSlabAllocator<T> : SlabAllocator<T> where T: unmanaged
     {

StgSharp.Common/HighPerformance/Memory/SlabAllocator.Fixed.cs

@@ -1,35 +1,32 @@
 //-----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// file="SlabAllocator.Fixed.cs"
+// file="SlabAllocator.Fixed"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
-// Permission is hereby granted, free of charge, to any person 
-// obtaining a copy of this software and associated documentation 
-// files (the “Software”), to deal in the Software without restriction, 
-// including without limitation the rights to use, copy, modify, merge,
-// publish, distribute, sublicense, and/or sell copies of the Software, 
-// and to permit persons to whom the Software is furnished to do so, 
-// subject to the following conditions:
-//     
-// The above copyright notice and 
-// this permission notice shall be included in all copies 
-// or substantial portions of the Software.
-//     
-// THE SOFTWARE IS PROVIDED “AS IS”, 
-// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
-// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
-// ARISING FROM, OUT OF OR IN CONNECTION WITH 
-// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 using StgSharp.Collections;
-using StgSharp.Mathematics.Memory;
+using StgSharp.HighPerformance.Memory;
 using StgSharp.Threading;
 using System;
 using System.Collections.Generic;
@@ -40,7 +37,7 @@ using System.Threading.Tasks;
 
 namespace StgSharp.HighPerformance.Memory
 {
-    internal unsafe class FixedSlabAllocator<T> : SlabAllocator<T> where T: unmanaged
+    internal unsafe class FixedSlabAllocator<T> : SlabAllocator<T> where T : unmanaged
     {
 
         private Action<nuint> _freeHandle;
@@ -53,7 +50,11 @@ namespace StgSharp.HighPerformance.Memory
 
         private nuint _Capacity, _currentIndex;
 
-        internal FixedSlabAllocator(nuint buffer, nuint count, Action<nuint> freeHandle)
+        internal FixedSlabAllocator(
+                 nuint buffer,
+                 nuint count,
+                 Action<nuint> freeHandle
+        )
         {
             _freeHandle = freeHandle;
             _buffer = buffer;
@@ -67,7 +68,7 @@ namespace StgSharp.HighPerformance.Memory
             };
             Span<nuint> span = stackalloc nuint[initCount];
             for (int i = 0; i < initCount; i++) {
-                span[i] = _buffer + (nuint)(i * _elementSize);
+                span[i] = _buffer + ((nuint)(i * _elementSize));
             }
             _recycle = CapacityFixedStackBuilder.Create(span);
             _Capacity = count;
@@ -87,7 +88,7 @@ namespace StgSharp.HighPerformance.Memory
             }
             curIndex = _currentIndex;
             _currentIndex += 1;
-            return _buffer + ((nuint)_elementSize * curIndex);
+            return _buffer + (((nuint)_elementSize) * curIndex);
         }
 
         public override void Dispose()
@@ -108,7 +109,9 @@ namespace StgSharp.HighPerformance.Memory
         public override void ExitBufferReading() { }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public override void Free(nuint index)
+        public override void Free(
+                             nuint index
+        )
         {
             _recycle.Push(index);
         }

StgSharp.Common/HighPerformance/Memory/SlabAllocator.SequencialConcurrent.cs

@@ -2,8 +2,8 @@
 // -----------------------------------------------------------------------
 // file="SlabAllocator.SequencialConcurrent"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -32,9 +32,10 @@ using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
 using System.Threading;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
-    public sealed unsafe class ConcurrentSequentialSlabAllocator<T> : SlabAllocator<T> where T: unmanaged
+    public sealed unsafe class ConcurrentSequentialSlabAllocator<T> : SlabAllocator<T>
+        where T : unmanaged
     {
 
         private T* _buffer;
@@ -47,18 +48,20 @@ namespace StgSharp.Mathematics.Memory
         private nuint _highestAllocated;
         private ulong _capacity;
 
-        public ConcurrentSequentialSlabAllocator(nuint initialCapacity)
+        public ConcurrentSequentialSlabAllocator(
+               nuint initialCapacity
+        )
         {
             _elementSize = Unsafe.SizeOf<T>();
             _capacity = initialCapacity;
             _highestAllocated = 0;
 
-            _buffer = (T*)NativeMemory.Alloc((nuint)_capacity * (nuint)_elementSize);
+            _buffer = (T*)NativeMemory.Alloc(((nuint)_capacity) * ((nuint)_elementSize));
             int initCount = _capacity switch
             {
                 <= 4 => 4,
                 > 64 => 64,
-                _ => (int)_capacity / 4
+                _ => ((int)_capacity) / 4
             };
             Span<nuint> span = stackalloc nuint[initCount];
             for (int i = 0; i < initCount; i++) {
@@ -68,11 +71,7 @@ namespace StgSharp.Mathematics.Memory
             _highestAllocated += (nuint)initCount;
         }
 
-        internal T* BasePointer
-        {
-            [MethodImpl(MethodImplOptions.AggressiveInlining)]
-            get => _buffer;
-        }
+        internal T* BasePointer => _buffer;
 
         public override nuint Allocate()
         {
@@ -92,7 +91,7 @@ namespace StgSharp.Mathematics.Memory
                         try
                         {
                             _capacity = Volatile.Read(ref _capacity) * 2;
-                            nuint newSize = (nuint)_capacity * (nuint)_elementSize;
+                            nuint newSize = ((nuint)_capacity) * ((nuint)_elementSize);
                             _lock.EnterBufferCopy();
                             try
                             {
@@ -144,7 +143,9 @@ namespace StgSharp.Mathematics.Memory
             _lock.ExitBufferRead();
         }
 
-        public override void Free(nuint index)
+        public override void Free(
+                             nuint index
+        )
         {
             _stack.Push(index);
         }

StgSharp.Common/HighPerformance/Memory/SlabAllocator.cs

@@ -1,37 +1,34 @@
 //-----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// file="SlabAllocator.cs"
+// file="SlabAllocator"
 // Project: StgSharp
-// AuthorGroup: Nitload Space
-// Copyright (c) Nitload Space. All rights reserved.
+// AuthorGroup: Nitload
+// Copyright (c) Nitload. All rights reserved.
 //     
-// Permission is hereby granted, free of charge, to any person 
-// obtaining a copy of this software and associated documentation 
-// files (the “Software”), to deal in the Software without restriction, 
-// including without limitation the rights to use, copy, modify, merge,
-// publish, distribute, sublicense, and/or sell copies of the Software, 
-// and to permit persons to whom the Software is furnished to do so, 
-// subject to the following conditions:
-//     
-// The above copyright notice and 
-// this permission notice shall be included in all copies 
-// or substantial portions of the Software.
-//     
-// THE SOFTWARE IS PROVIDED “AS IS”, 
-// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
-// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
-// ARISING FROM, OUT OF OR IN CONNECTION WITH 
-// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 using StgSharp.HighPerformance.Memory;
 using System;
 
-namespace StgSharp.Mathematics.Memory
+namespace StgSharp.HighPerformance.Memory
 {
     public static class SlabAllocator
     {
@@ -58,54 +55,62 @@ namespace StgSharp.Mathematics.Memory
         ///   Thrown when requesting unsupported configurations.
         /// </exception>
         /// <remarks>
-        ///   <para><strong> Important Threading Considerations: </strong></para> <para>While SLAB
-        ///   ///   ///   allocators themselves may be designed for single-threaded use, allocated
-        ///   objects ///   are ///   frequently shared across multiple threads in real-world
-        ///   applications. Due to ///   the ///   special implementation of expandable concurrent
-        ///   sequential SLAB allocators, ///   they rely ///   on internal  expansion locks to
-        ///   ensure that memory buffer expansions ///   (which involve ///   copying the entire 
-        ///   buffer to a new location) do not occur while ///   other threads are ///   reading
-        ///   from allocated regions. </para> <para><strong>///   Sequential Layout Limitations:
-        ///   ///</strong><br /> Sequential layout SLAB allocators ///   cannot provide a single-
-        ///   threaded ///   version because:<list ///   type="bullet"><item><description>They use
+        ///   <para><strong> Important Threading Considerations: </strong></para> <para> While SLAB
+        ///   ///   ///   ///   allocators themselves may be designed for single-threaded use,
+        ///   allocated ///   objects ///   are ///   frequently shared across multiple threads in
+        ///   real-world ///   applications. Due to ///   the ///   special implementation of
+        ///   expandable concurrent ///   sequential SLAB allocators, ///   they rely ///   on
+        ///   internal  expansion locks to ///   ensure that memory buffer expansions ///   (which
+        ///   involve ///   copying the entire  ///   buffer to a new location) do not occur while
+        ///   ///   other threads are ///   reading ///   from allocated regions.</para>
+        ///   <para><strong> ///   Sequential Layout Limitations: ///   /// </strong><br />
+        ///   Sequential layout SLAB allocators ///   cannot provide a single- ///   threaded ///  
+        ///   version because:<list ///   type="bullet"><item><description> They use ///  
         ///   contiguous memory ///   layout that requires ///   buffer expansion when capacity is
-        ///   exceeded  ///   ///</description></item><item><description>Buffer expansion involves
-        ///   copying all  ///  ///   existing data to a new memory
-        ///   location</description></item><item><description> ///   ///   Without proper
+        ///   ///   exceeded  ///   /// </description></item><item><description> Buffer expansion
+        ///   involves ///   copying all  ///  ///   existing data to a new memory ///   location
+        ///   </description></item><item><description>///   ///   Without proper ///  
         ///   synchronization, concurrent access to allocated objects during  ///   ///   expansion
-        ///   would cause memory corruption</description></item><item><description>The  ///   ///  
-        ///   expansion lock mechanism is essential even if allocation itself is single- ///   ///  
-        ///   threaded </description></item></list></para> <para><strong>Chunked Layout: ///  
-        ///   ///</strong><br /> Chunked layout allocators can optionally provide single-threaded
-        ///   ///   ///   versions since they don't  require buffer expansion and copying. Each
-        ///   chunk is ///   ///   allocated independently, avoiding the  memory relocation issues
-        ///   present in ///   sequential ///   layouts. </para>
+        ///   ///   would cause memory corruption </description></item><item><description> The  /// 
+        ///    ///   ///   expansion lock mechanism is essential even if allocation itself is
+        ///   single- ///   ///   ///   threaded</description></item></list></para> <para><strong>
+        ///   Chunked Layout: ///   ///   /// </strong><br /> Chunked layout allocators can
+        ///   optionally provide single-threaded ///   ///   ///   versions since they don't 
+        ///   require buffer expansion and copying. Each ///   chunk is ///   ///   allocated
+        ///   independently, avoiding the  memory relocation issues ///   present in ///  
+        ///   sequential ///   layouts.</para>
         /// </remarks>
-        public static SlabAllocator<T> Create<T>(nuint count, SlabBufferLayout layout, bool concurrentSupport = true)
-            where T: unmanaged
+        public static SlabAllocator<T> Create<T>(
+                                       nuint count,
+                                       SlabBufferLayout layout,
+                                       bool concurrentSupport = true
+        ) where T : unmanaged
         {
             return layout switch
             {
                 SlabBufferLayout.Sequential => concurrentSupport ?
-                                               new ConcurrentSequentialSlabAllocator<T>(count) :
-                                               throw new NotSupportedException("Non-concurrent version of sequential layout SLAB is not supported due to expansion lock requirements for memory safety during buffer expansion."),
+                                               (new ConcurrentSequentialSlabAllocator<T>(count)) :
+                                               (throw new NotSupportedException("Non-concurrent version of sequential layout SLAB is not supported due to expansion lock requirements for memory safety during buffer expansion.")),
                 SlabBufferLayout.Chunked => concurrentSupport ?
-                                            new ConcurrentChunkedSlabAllocator<T>(count) :
-                                            new ChunkedSlabAllocator<T>(count),
+                                            (new ConcurrentChunkedSlabAllocator<T>(count)) :
+                                            (new ChunkedSlabAllocator<T>(count)),
                 _ => throw new ArgumentOutOfRangeException(nameof(layout), layout, null)
             };
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        public static SlabAllocator<T> FromBuffer<T>(nuint buffer, nuint count, Action<nuint> freeHandle)
-            where T: unmanaged
+        public static SlabAllocator<T> FromBuffer<T>(
+                                       nuint buffer,
+                                       nuint count,
+                                       Action<nuint> freeHandle
+        ) where T : unmanaged
         {
             return new FixedSlabAllocator<T>(buffer, count, freeHandle);
         }
 
     }
 
-    public abstract class SlabAllocator<T> : IDisposable where T: unmanaged
+    public abstract class SlabAllocator<T> : IDisposable where T : unmanaged
     {
 
         public abstract nuint Allocate();
@@ -116,7 +121,9 @@ namespace StgSharp.Mathematics.Memory
 
         public abstract void ExitBufferReading();
 
-        public abstract void Free(nuint index);
+        public abstract void Free(
+                             nuint index
+        );
 
         public abstract SlabAllocationHandle<T> ReadAllocation();
 

StgSharp.Common/HighPerformance/ProcessorAbstraction/LogicalCore.cs

@@ -31,7 +31,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace StgSharp.Common.HighPerformance.ProcessorAbstraction
+namespace StgSharp.HighPerformance.ProcessorAbstraction
 {
     public readonly struct LogicalCore
     {

StgSharp.Common/HighPerformance/ProcessorAbstraction/Numa.cs

@@ -34,7 +34,7 @@ using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace StgSharp.Common.HighPerformance.ProcessorAbstraction
+namespace StgSharp.HighPerformance.ProcessorAbstraction
 {
     public static partial class Numa
     {

StgSharp.Common/HighPerformance/ProcessorAbstraction/NumaNode.cs

@@ -32,7 +32,7 @@ using System.Runtime.InteropServices;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace StgSharp.Common.HighPerformance.ProcessorAbstraction
+namespace StgSharp.HighPerformance.ProcessorAbstraction
 {
     public class NumaNode
     {

StgSharp.Common/Threading/ThreadHelper.cs

@@ -25,7 +25,7 @@
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-using StgSharp.Common.HighPerformance.ProcessorAbstraction;
+using StgSharp.HighPerformance.ProcessorAbstraction;
 using System;
 using System.Diagnostics;
 using System.Runtime.InteropServices;

StgSharp.Common/Threading/VariableCapacitySemaphore.cs

@@ -25,13 +25,6 @@
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-// -----------------------------------------------------------------------
-// -----------------------------------------------------------------------
-// file="VariableCapacitySemaphore"
-// Project: StgSharp.Common
-// AuthorGroup: Nitload
-// License: MIT
-// -----------------------------------------------------------------------
 using System;
 using System.Runtime.CompilerServices;
 using System.Threading;

StgSharp.Common/Timing/TimeSequence.cs

@@ -29,7 +29,7 @@ using StgSharp.Timing;
 using System;
 using System.Runtime.CompilerServices;
 
-namespace StgSharp.Common.Timing
+namespace StgSharp.Timing
 {
     public abstract class TimeSequence
     {

StgSharp.Common/Timing/TimeSpanProvider.Awaiting.cs

@@ -25,7 +25,7 @@
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-using StgSharp.Mathematics.Memory;
+using StgSharp.HighPerformance.Memory;
 
 using System;
 using System.Collections.Concurrent;

StgSharp.Common/Timing/TimeSpanProvider.cs

@@ -25,7 +25,7 @@
 //     
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
-using StgSharp.Common.Timing;
+using StgSharp.Timing;
 using System;
 using System.Runtime.CompilerServices;
 using System.Threading;

StgSharp.Mathematics/Numeric/Runtime/MatrixParallel.cs

@@ -26,7 +26,7 @@
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 using StgSharp.Collections;
-using StgSharp.Common.HighPerformance.ProcessorAbstraction;
+using StgSharp.HighPerformance.ProcessorAbstraction;
 using System.Collections.Generic;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
@@ -86,18 +86,18 @@ namespace StgSharp.Mathematics.Numeric
 
             // init thread on all logical cores
             _numaThreads = Numa.CreateForeachThread<MatrixParallelThread>(
-                core => {
-                    MatrixParallelThread thread = new(core);
-                    SpinWait.SpinUntil(() => thread.State == MatrixThreadState.Ready);
+               core => {
+                   MatrixParallelThread thread = new(core);
+                   SpinWait.SpinUntil(() => thread.State == MatrixThreadState.Ready);
 
-                    SIMDID simd = thread.Simd;
-                    ulong mask = simd.Mask;
-                    contextMap[mask] = contextMap.TryGetValue(mask, out int contextCount) ?
-                                       (contextCount + 1) :
-                                       1;
-                    globalSimd = (globalSimd.Mask != 0) ? UniteSIMDID(globalSimd, simd) : simd;
-                    return thread;
-                });
+                   SIMDID simd = thread.Simd;
+                   ulong mask = simd.Mask;
+                   contextMap[mask] = contextMap.TryGetValue(mask, out int contextCount) ?
+                                      (contextCount + 1) :
+                                      1;
+                   globalSimd = (globalSimd.Mask != 0) ? UniteSIMDID(globalSimd, simd) : simd;
+                   return thread;
+               });
 
             // make global simd  context
             IntrinsicContext globalContext = new();

StgSharp.Mathematics/Numeric/Runtime/MatrixParallelThread.cs

@@ -26,6 +26,7 @@
 // -----------------------------------------------------------------------
 // -----------------------------------------------------------------------
 using StgSharp.Common.HighPerformance.ProcessorAbstraction;
+using StgSharp.HighPerformance.ProcessorAbstraction;
 using StgSharp.Internal;
 using StgSharp.Mathematics.Numeric.Runtime;
 using StgSharp.Threading;