111 lines
4.0 KiB
C#
111 lines
4.0 KiB
C#
//-----------------------------------------------------------------------
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// -----------------------------------------------------------------------
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// file="MatrixParallelPool"
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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.Diagnostics.CodeAnalysis;
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using System.Linq;
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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 class MatrixParallelPool
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{
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private MatrixParallelPool()
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{
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throw new NotSupportedException();
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}
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internal MatrixParallelPool(int threadCount, ReadOnlySpan<MatrixParallelWrap> wrapSpan)
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{
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SpareWrap = CapacityFixedStackBuilder.Create(wrapSpan);
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SingleThreadAllocation = new CapacityFixedBag<MatrixParallelWrap>(wrapSpan.Length);
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SpareThreadCount = threadCount;
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}
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internal MatrixParallelPool(int threadCount, CapacityFixedStack<MatrixParallelWrap> wrapSpan)
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{
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SpareWrap = wrapSpan;
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SingleThreadAllocation = new CapacityFixedBag<MatrixParallelWrap>(wrapSpan.Count);
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SpareThreadCount = threadCount;
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}
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public int SpareThreadCount { get; set; }
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internal CapacityFixedBag<MatrixParallelWrap> SingleThreadAllocation { get; set; }
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internal CapacityFixedStack<MatrixParallelWrap> SpareWrap { get; set; }
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public void ReturnIndividualHandle(ref MatrixParallelWrap.Handle handle)
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{
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MatrixParallelWrap wrap = handle.Wrap;
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handle.Role = 0;
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if (wrap.IsAllAvailable)
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{
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SingleThreadAllocation.RemoveAt(wrap.Magic);
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SpareWrap.Push(wrap);
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SpareThreadCount += wrap.WrapTaskCapacity;
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}
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}
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public bool TryRentIndividualHandle(out MatrixParallelWrap.Handle handle)
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{
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foreach (MatrixParallelWrap item in SingleThreadAllocation)
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{
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if (item.TryGetLeaderHandle(out handle!)) {
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return true;
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}
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}
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if (TryRequestWrap(out MatrixParallelWrap wrap))
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{
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wrap!.Magic = SingleThreadAllocation.Count;
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SingleThreadAllocation.Add(wrap);
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if (wrap.TryGetLeaderHandle(out handle!)) {
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return true;
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}
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}
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handle = null!;
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return false;
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}
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public bool TryRequestWrap([NotNull]out MatrixParallelWrap? wrap)
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{
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if (SpareWrap.TryPop(out wrap))
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{
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SpareThreadCount -= wrap.WrapTaskCapacity;
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return true;
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}
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wrap = null!;
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return false;
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}
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}
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}
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