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L4 is now very unsafe

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Nitload
2026-04-12 23:55:18 +08:00
parent 9aa096dc63
commit 556008ad8c
5 changed files with 177 additions and 165 deletions
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StgSharp.Mathematics/Numeric/Runtime/MatrixParallel.cs
+35 -50
View File
@@ -1,27 +1,30 @@
//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="MatrixParallel"
// file="MatrixParallel.cs"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. 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.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
@@ -46,9 +49,7 @@ namespace StgSharp.Mathematics.Numeric
public static bool IsParallelSupported { get; } = Environment.ProcessorCount > 6;
public static bool IsParallelMeaningful => IsParallelSupported &&
IsInitialized &&
_meaningful;
public static bool IsParallelMeaningful => IsParallelSupported && IsInitialized && _meaningful;
public static int ContextCount { get; private set; }
@@ -58,7 +59,7 @@ namespace StgSharp.Mathematics.Numeric
{
foreach (MatrixParallelThread t in _threads)
{
t.Retire();
t.Pause();
t.Dispose();
}
foreach (MatrixParallelThread t in _retiredThreads) {
@@ -93,9 +94,7 @@ namespace StgSharp.Mathematics.Numeric
SIMDID simd = thread.Simd;
ulong mask = simd.Mask;
contextMap[mask] = contextMap.TryGetValue(mask, out int contextCount) ?
(contextCount + 1) :
1;
contextMap[mask] = contextMap.TryGetValue(mask, out int contextCount) ? (contextCount + 1) : 1;
globalSimd = (globalSimd.Mask != 0) ? UniteSIMDID(globalSimd, simd) : simd;
}
@@ -113,10 +112,7 @@ namespace StgSharp.Mathematics.Numeric
} else
{
MatrixParallelThread[] allThreads = _threads.PopRange(_threads.Count);
Array.Sort(allThreads, static(
left,
right
) => CompareSIMDID(left.Simd, right.Simd));
Array.Sort(allThreads, static(left, right) => CompareSIMDID(left.Simd, right.Simd));
int retireCount = Math.Min(RESERVED_THREAD_COUNT, Math.Max(0, allThreads.Length - 1));
for (int i = 0; i < retireCount; i++) {
RetireThread(allThreads[i]);
@@ -129,37 +125,26 @@ namespace StgSharp.Mathematics.Numeric
}
[LibraryImport(Native.LibName, EntryPoint = "sn_compare_simd")]
[UnmanagedCallConv(CallConvs = [typeof(CallConvCdecl)])]
[UnmanagedCallConv(CallConvs = [ typeof(CallConvCdecl) ])]
[DefaultDllImportSearchPaths(DllImportSearchPath.AssemblyDirectory)]
private static partial int CompareSIMDID(
SIMDID left,
SIMDID right
);
private static partial int CompareSIMDID(SIMDID left, SIMDID right);
[LibraryImport(Native.LibName, EntryPoint = "load_intrinsic_function")]
[UnmanagedCallConv(CallConvs = [typeof(CallConvCdecl)])]
[UnmanagedCallConv(CallConvs = [ typeof(CallConvCdecl) ])]
[DefaultDllImportSearchPaths(DllImportSearchPath.AssemblyDirectory)]
private static partial void LoadIntrinsicFunction(
IntrinsicContext* context,
ulong id
);
private static partial void LoadIntrinsicFunction(IntrinsicContext* context, ulong id);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
private static void RetireThread(
MatrixParallelThread thread
)
private static void RetireThread(MatrixParallelThread thread)
{
thread.Retire();
thread.Pause();
_retiredThreads.Push(thread);
}
[LibraryImport(Native.LibName, EntryPoint = "sn_get_unite_simd")]
[UnmanagedCallConv(CallConvs = [typeof(CallConvCdecl)])]
[UnmanagedCallConv(CallConvs = [ typeof(CallConvCdecl) ])]
[DefaultDllImportSearchPaths(DllImportSearchPath.AssemblyDirectory)]
private static partial SIMDID UniteSIMDID(
SIMDID left,
SIMDID right
);
private static partial SIMDID UniteSIMDID(SIMDID left, SIMDID right);
}
}