daily commit on 0916

StgSharp.Common/Mathematics/Linear/Matrix.Basic.cs

@@ -49,7 +49,12 @@ namespace StgSharp.Mathematics
             try
             {
                 Matrix<float> result = GCMatrix<float>.FromDefault(left.ColumnLength, left.RowLength);
-                MatrixParallel.PublishTask();
+                unsafe
+                {
+                    MatrixParallelTaskPackage* handle = MatrixParallelFactory.CreateBaseTask();
+                    handle->Left = left.;
+                    handle->Right = right.Kernel;
+                }
                 MatrixParallel.LaunchParallel(SleepMode.DeepSleep);
                 return result;
             }

StgSharp.Common/Mathematics/Linear/Matrix.GC.cs

@@ -71,6 +71,12 @@ namespace StgSharp.Mathematics
             set => throw new NotImplementedException();
         }
 
+        internal override unsafe MatrixKernel* Buffer
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => _buffer;
+        }
+
         public override unsafe ref MatrixKernel GetMatrixKernel(int column, int row)
         {
             AssertIndex(column, row);

StgSharp.Common/Mathematics/Linear/Matrix.HLSF.cs

@@ -75,6 +75,12 @@ namespace StgSharp.Mathematics
             set => throw new NotImplementedException();
         }
 
+        internal override unsafe MatrixKernel* Buffer
+        {
+            [MethodImpl(MethodImplOptions.AggressiveInlining)]
+            get => k_buffer;
+        }
+
         public override unsafe ref MatrixKernel GetMatrixKernel(int column, int row)
         {
             AssertIndex(column, row);

StgSharp.Common/Mathematics/Linear/Matrix.cs

@@ -32,7 +32,6 @@ using StgSharp.HighPerformance;
 using System;
 using System.Numerics;
 using System.Runtime.CompilerServices;
-using System.Text;
 using hlsfAllocator = global::StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocator;
 using hlsfHandle = global::StgSharp.HighPerformance.Memory.HybridLayerSegregatedFitAllocationHandle;
 
@@ -74,6 +73,8 @@ namespace StgSharp.Mathematics
 
         public static MatrixAllocation DefaultAllocation { get; set; } = MatrixAllocation.GC;
 
+        internal abstract MatrixKernel* Buffer { get; }
+
         protected int KernelColumnLength { get; init; }
 
         protected int KernelRowLength { get; init; }
@@ -156,7 +157,7 @@ namespace StgSharp.Mathematics
 
             public readonly MatrixSegment Current
             {
-[MethodImpl(MethodImplOptions.AggressiveInlining)]
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
                 get => new(_current, _secondarySize, _secondaryStride);
             }
 
@@ -201,9 +202,9 @@ namespace StgSharp.Mathematics
 
             public MatrixKernel* Current
             {
-[MethodImpl(MethodImplOptions.AggressiveInlining)]
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
                 get;
-[MethodImpl(MethodImplOptions.AggressiveInlining)]
+                [MethodImpl(MethodImplOptions.AggressiveInlining)]
                 private set;
             } = source - stride;
 

StgSharp.Common/Mathematics/Linear/MatrixParallel.Task.cs

@@ -62,6 +62,11 @@ namespace StgSharp.Mathematics
     internal unsafe struct MatrixParallelTaskPackage
     {
 
+        public static unsafe void Copy(MatrixParallelTaskPackage* source, MatrixParallelTaskPackage* target)
+        {
+            Buffer.MemoryCopy(source, target, sizeof(MatrixParallelTaskPackage), sizeof(MatrixParallelTaskPackage));
+        }
+
         #region source
 
         // Group 1: Left/Right matrix kernel base address

StgSharp.Common/Mathematics/Linear/MatrixParallel.TaskFactory.cs

@@ -32,6 +32,7 @@ using StgSharp.HighPerformance.Memory;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Runtime.CompilerServices;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -40,21 +41,31 @@ namespace StgSharp.Mathematics
     internal static unsafe class MatrixParallelFactory
     {
 
-        private static readonly SlabAllocator<ScalarPacket> _scalarAllocator = SlabAllocator<ScalarPacket>.Create(64, SlabBufferLayout.Chunked, true);
+        private static SlabAllocator<ScalarPacket> _scalarAllocator ;
 
-        private static readonly SlabAllocator<MatrixParallelTaskPackage> _wrapAllocator = SlabAllocator<MatrixParallelTaskPackage>.Create(64, SlabBufferLayout.Chunked, true);
+        private static SlabAllocator<MatrixParallelTaskPackage> _wrapAllocator ;
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public static MatrixParallelTaskPackage* CreateBaseTask()
+        {
+            MatrixParallelTaskPackage* p = (MatrixParallelTaskPackage*)_wrapAllocator.Allocate();
+            return p;
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static ScalarPacket* CreateScalarPacket()
         {
             ScalarPacket* p = (ScalarPacket*)_scalarAllocator.Allocate();
             return p;
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void Release(ScalarPacket* source)
         {
             _scalarAllocator.Free((nuint)source);
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void Release(MatrixParallelTaskPackage* source)
         {
             if (source->Scalar != null) {
@@ -63,5 +74,12 @@ namespace StgSharp.Mathematics
             _wrapAllocator.Free((nuint)source);
         }
 
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        internal static void Init()
+        {
+            _scalarAllocator = SlabAllocator<ScalarPacket>.Create(64, SlabBufferLayout.Chunked, true);
+            _wrapAllocator = SlabAllocator<MatrixParallelTaskPackage>.Create(64, SlabBufferLayout.Chunked, true);
+        }
+
     }
 }

StgSharp.Common/Mathematics/Linear/MatrixParallel.cs

@@ -69,10 +69,7 @@ namespace StgSharp.Mathematics
 
         private static Thread[] _threads;
         private static MatrixParallelWrap[] _wraps;
-        private static readonly (int a, int b)[] LookupTable =
+        private static readonly (int a, int b)[] LookupTable = [ (1, 1), (0, 2), (3, 0), (2, 1), (1, 2), (0, 3), (3, 1), (2, 2), (1, 3), (0, 4), (3, 2), (2, 3), (1, 4), (0, 5), ];
-        [(1, 1), (0, 2), (3, 0), (2, 1),
-         (1, 2), (0, 3), (3, 1), (2, 2), (1, 3),
-         (0, 4), (3, 2), (2, 3), (1, 4), (0, 5),];
         private static volatile int RemainThreadCount = 0;
 
         private static readonly object _lock = new();
@@ -113,16 +110,16 @@ namespace StgSharp.Mathematics
             if (IsInitialized) {
                 return;
             }
+            MatrixParallelFactory.Init();
             int count = Environment.ProcessorCount - 4;
             count = count == 5 ? 4 : count;
             _threads = new Thread[count];
             if (count < 6)
             {
-                _wraps = [new MatrixParallelWrap(0, count, true)];
+                _wraps = [ new MatrixParallelWrap(0, count, true) ];
             } else if (count == 6)
             {
-                _wraps = [new MatrixParallelWrap(0, 3, true),
+                _wraps = [ new MatrixParallelWrap(0, 3, true), new MatrixParallelWrap(3, 3, false) ];
-                new MatrixParallelWrap(3, 3, false)];
             } else
             {
                 (int _3wrap, int _4wrap) = FastDecompose(count);
@@ -144,6 +141,7 @@ namespace StgSharp.Mathematics
         {
             RemainThreadCount = _threads.Length;
             _AfterWork = (ThreadPriority)afterWork;
+            SetAllWrap();
         }
 
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
@@ -159,14 +157,6 @@ namespace StgSharp.Mathematics
             _ = Interlocked.Decrement(ref RemainThreadCount);
         }
 
-        public static unsafe void PublishTask(MatrixParallelTaskPackage* package)
-        {
-            int primCountPerWrap = package->PrimCount / _threads.Length, extraPrimCount = package->PrimCount % _threads.Length;
-            int secCountPerWrap = package->SecCount / _threads.Length, extraSecCount = package->SecCount % _threads.Length;
-
-            foreach (MatrixParallelWrap wrap in _wraps) { }
-        }
-
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         public static void ResetThreadCount()
         {