108 lines
4.0 KiB
C#
108 lines
4.0 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="MatrixParallel.Task.cs"
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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
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// obtaining a copy of this software and associated documentation
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// files (the “Software”), to deal in the Software without restriction,
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// including without limitation the rights to use, copy, modify, merge,
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// publish, distribute, sublicense, and/or sell copies of the Software,
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// and to permit persons to whom the Software is furnished to do so,
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// subject to the following conditions:
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//
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// The above copyright notice and
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// this permission notice shall be included in all copies
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// or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED “AS IS”,
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// WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
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// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH
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// THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// -----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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using StgSharp.HighPerformance;
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using System;
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using System.Drawing;
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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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namespace StgSharp.Mathematics
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{
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/// <summary>
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/// Matrix parallel computation task structure with scalar data packet support Uses type-
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/// erased design for thread pool compatibility
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/// </summary>
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[StructLayout(LayoutKind.Explicit, Size = 48)]
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public unsafe struct MatrixParallelTask
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{
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public const int SizeofConstantParameter = sizeof(ulong);
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public const int SizeOfTask = 48;
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[FieldOffset(0)] public MatrixKernel* left;
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[FieldOffset(8)] public MatrixKernel* result;
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[FieldOffset(16)] public MatrixKernel* right;
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[FieldOffset(24)] public int scalerCount;
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[FieldOffset(32)] public IntPtr executionHandle;
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/// <summary>
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/// Pointer to the scalar data packet containing up to 8 parameters Each parameter is
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/// stored as ulong (8 bytes) for type erasure
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/// </summary>
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[FieldOffset(40)] public nint scalerDataPacket;
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/// <summary>
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/// Execute the task using type-erased function pointer
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/// </summary>
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public readonly void Execute()
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{
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if (scalerCount == 0)
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{
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((delegate*<MatrixKernel*, MatrixKernel*, MatrixKernel*, void>)executionHandle)(left, right, result);
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} else
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{
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((delegate*<MatrixKernel*, MatrixKernel*, MatrixKernel*, void*, void>)executionHandle)(left, right, result, (void*)scalerDataPacket);
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}
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}
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}
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/// <summary>
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/// Scalar data packet for storing up to 8 parameters as type-erased ulong values Used to
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/// separate scalar data allocation from task allocation
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/// </summary>
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public unsafe struct ScalarDataPacket
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{
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public const int MaxScalarCount = 8;
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public const int PacketSize = 64;
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private fixed ulong Value[8];
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public ScalarDataPacket()
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{
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Unsafe.SkipInit(out this);
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}
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public ref T GetScalerRef<T>(int index) where T: unmanaged, INumber<T>
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{
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if (index is < 0 or >= MaxScalarCount) {
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throw new IndexOutOfRangeException("ScalarDataPacket index out of range");
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}
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return ref Unsafe.As<ulong, T>(ref Value[index]);
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}
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}
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}
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