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