Better module loading.
This commit is contained in:
Nitload
@@ -1,91 +1,81 @@
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//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="SwissTable"
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// Project: StgSharp
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// AuthorGroup: Nitload
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// Copyright (c) Nitload. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using System;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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using System.Runtime.Intrinsics.Arm;
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using System.Runtime.Intrinsics.X86;
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namespace StgSharp.Collections
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//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="SwissTable"
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// Project: StgSharp
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// AuthorGroup: Nitload Space
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// Copyright (c) Nitload Space. All rights reserved.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using System;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Runtime.Intrinsics.Arm;
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using System.Runtime.Intrinsics.X86;
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namespace StgSharp.Collections
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{
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/// <summary>
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///
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/// <summary>
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///
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/// </summary>
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public unsafe partial class SwissTable
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{
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private const int BucketCount = 1 << EntryMaskWidth;
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private const int BucketSize = 256;
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private const int EntryMaskWidth = 10; // 1024 entries total, 256 per bucket
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public sealed unsafe partial class SwissTable
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{
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private const int BucketCount = 1 << EntryMaskWidth;
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private const int BucketSize = 256;
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private const int EntryMaskWidth = 10; // 1024 entries total, 256 per bucket
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public const int MaxCapacity = 1024 * BucketSize; // 256 entries per bucket, 1024 buckets
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private readonly Entry* _entries;
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private SwissTable(
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Entry* buffer
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)
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{
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_entries = buffer;
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for (int i = 0; i < BucketCount; i++)
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{
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// Set all control bytes to 0xFF (empty)
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Unsafe.InitBlock(&_entries[i].Bucket.Control, 0xFF, BucketSize);
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}
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}
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public bool TryAddOrSet(
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nint key,
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nint value
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)
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{
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throw new NotImplementedException();
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}
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public bool TryAddOrSet(
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nint key,
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ref nint value,
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out bool isNewKey
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)
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{
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uint hash = BitOperations.Crc32C(0xffff9961, (ulong)key);
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short entry = (short)(hash & ((1 << 11) - 1));
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Bucket* bucket = &_entries[entry].Bucket;
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return IBucketScanner.Current.TrySet(key, hash, bucket, value, out isNewKey);
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}
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public bool TryGet(
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nint key,
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out nint value
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)
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{
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uint hash = BitOperations.Crc32C(0xffff9961, (ulong)key);
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short entry = (short)(hash & ((1 << 11) - 1));
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Bucket* bucket = &_entries[entry].Bucket;
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private readonly Entry* _entries;
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private SwissTable(Entry* buffer)
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{
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_entries = buffer;
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for (int i = 0; i < BucketCount; i++)
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{
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// Set all control bytes to 0xFF (empty)
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Unsafe.InitBlock(&_entries[i].Bucket.Control, 0xFF, BucketSize);
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}
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}
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public static SwissTable Create()
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{
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Entry* buffer = (Entry*)NativeMemory.AlignedAlloc((nuint)Marshal.SizeOf<Entry>(), 16);
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return new SwissTable(buffer);
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}
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public bool TryAddOrSet(nint key, nint value, out bool isNewKey)
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{
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uint hash = BitOperations.Crc32C(0xffff9961, (ulong)key);
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short entry = (short)(hash & ((1 << 11) - 1));
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Bucket* bucket = &_entries[entry].Bucket;
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return IBucketScanner.Current.TrySet(key, hash, bucket, value, out isNewKey);
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}
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public bool TryGet(nint key, out nint value)
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{
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uint hash = BitOperations.Crc32C(0xffff9961, (ulong)key);
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short entry = (short)(hash & ((1 << 11) - 1));
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Bucket* bucket = &_entries[entry].Bucket;
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return IBucketScanner.Current.TryFind(key, hash, bucket, out value);
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/*
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* hash = CRC32 of key
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@@ -93,103 +83,89 @@ namespace StgSharp.Collections
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* ctrl = 8-15 of hash
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* index = rest of hash
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* find value of hash
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*/
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}
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public bool TryRemove(
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nint key,
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out nint value
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)
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{
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uint hash = BitOperations.Crc32C(0xffff9961, (ulong)key);
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short entry = (short)(hash & ((1 << 11) - 1));
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Bucket* bucket = &_entries[entry].Bucket;
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return IBucketScanner.Current.TryRemove(key, hash, bucket, out value);
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}
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[InlineArray(BucketCount)]
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private struct Entry
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{
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public Bucket Bucket;
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}
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private unsafe struct Bucket
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{
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public BucketControl Control;
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public BucketKeyStorage Keys;
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public BucketValueStorage Values;
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}
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private interface IBucketScanner
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{
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static IBucketScanner Current { get; } = Create();
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bool TryFind(
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nint key,
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uint Hash,
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Bucket* bucket,
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out nint value
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);
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unsafe bool TryRemove(
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nint key,
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uint hash,
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Bucket* bucket,
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out nint value
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);
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bool TrySet(
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nint key,
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uint hash,
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Bucket* bucket,
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nint value,
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out bool isNewKey
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);
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private static IBucketScanner Create()
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{
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if (X86Base.IsSupported)
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{
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return new BucketScannerX86();
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} else if (ArmBase.IsSupported)
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{
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throw new NotSupportedException("ARM architecture is currently not supported for bucket scanning. Please use an x86 platform.");
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} else
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{
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throw new NotSupportedException("No suitable bucket scanner implementation found for the current platform.");
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}
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}
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}
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[InlineArray(BucketSize)]
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private struct BucketControl
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{
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public byte Control;
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}
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[InlineArray(BucketSize)]
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private struct BucketKeyStorage
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{
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public nint value;
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}
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[InlineArray(BucketSize)]
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private struct BucketValueStorage
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{
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public nint value;
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}
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}
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*/
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}
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public bool TryRemove(nint key, out nint value)
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{
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uint hash = BitOperations.Crc32C(0xffff9961, (ulong)key);
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short entry = (short)(hash & ((1 << 11) - 1));
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Bucket* bucket = &_entries[entry].Bucket;
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return IBucketScanner.Current.TryRemove(key, hash, bucket, out value);
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}
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~SwissTable()
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{
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NativeMemory.AlignedFree(_entries);
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}
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[InlineArray(BucketCount)]
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private struct Entry
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{
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public Bucket Bucket;
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}
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private unsafe struct Bucket
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{
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public BucketControl Control;
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public BucketKeyStorage Keys;
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public BucketValueStorage Values;
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}
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private interface IBucketScanner
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{
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static IBucketScanner Current { get; } = Create();
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bool TryFind(nint key, uint Hash, Bucket* bucket, out nint value);
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unsafe bool TryRemove(nint key, uint hash, Bucket* bucket, out nint value);
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bool TrySet(nint key, uint hash, Bucket* bucket, nint value, out bool isNewKey);
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private static IBucketScanner Create()
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{
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if (X86Base.IsSupported)
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{
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return new BucketScannerX86();
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} else if (ArmBase.IsSupported)
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{
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throw new NotSupportedException("ARM architecture is currently not supported for bucket scanning. Please use an x86 platform.");
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} else
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{
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throw new NotSupportedException("No suitable bucket scanner implementation found for the current platform.");
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}
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}
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}
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[InlineArray(BucketSize)]
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private struct BucketControl
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{
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public byte Control;
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}
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[InlineArray(BucketSize)]
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private struct BucketKeyStorage
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{
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public nint value;
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}
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[InlineArray(BucketSize)]
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private struct BucketValueStorage
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{
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public nint value;
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}
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}
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}
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