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stgsharp/StgSharp.Mathematics/Numeric/Runtime/MatrixParallelWrap.cs
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2026-03-18 17:53:28 +08:00

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4.0 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="MatrixParallelWrap"
// 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 StgSharp.Collections;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Diagnostics.CodeAnalysis;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace StgSharp.Mathematics.Numeric
{
public enum SleepMode : int
{
QuickWakeup = ThreadPriority.AboveNormal,
NormalSleep = ThreadPriority.BelowNormal,
DeepSleep = ThreadPriority.Lowest,
}
public class MatrixParallelWrap : IDisposable
{
private MatrixParallelThread[] _threads;
private bool _disposed = false;
private int _count;
internal MatrixParallelWrap(
MatrixParallelThread[] threadArray
)
{
_threads = threadArray;
IsMultithread = threadArray.Length > 1;
_count = threadArray.Length;
}
public ReadOnlySpan<MatrixParallelThread> Threads
{
get
{
ObjectDisposedException.ThrowIf(_disposed, nameof(MatrixParallelWrap));
return _threads;
}
}
public ThreadPriority AfterWork { get; private set; }
internal MatrixParallelQueue TaskQueue { get; set; }
private bool IsMultithread { get; init; }
public void Dispose()
{
if (_disposed) {
return;
}
MatrixParallel.ReturnParallelResources(ref _threads);
_disposed = true;
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public void LaunchParallel(
SleepMode afterWork
)
{
AfterWork = (ThreadPriority)afterWork;
foreach (MatrixParallelThread thread in _threads)
{
thread.AfterWork = AfterWork;
thread.BindedWrap = this;
}
WaitAllWraps();
}
public void WaitAllWraps()
{
if (_disposed) {
throw new ObjectDisposedException(nameof(MatrixParallelWrap));
}
SpinWait.SpinUntil(() => Volatile.Read(ref _count) == 0);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
internal void ReportThreadAccomplished()
{
if (_disposed) {
throw new ObjectDisposedException(nameof(MatrixParallelWrap));
}
Interlocked.Decrement(ref _count);
}
}
}