124 lines
4.0 KiB
C#
124 lines
4.0 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="MatrixParallelWrap"
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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 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;
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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(
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MatrixParallelThread[] threadArray
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)
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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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ObjectDisposedException.ThrowIf(_disposed, nameof(MatrixParallelWrap));
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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(
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SleepMode afterWork
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)
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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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