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GpuScratchBuffer / -Pool naively integrated with PriemOrderCalculatorAccelerator (formerly Pow2MontgomeryAccelerator). FactorEntry replaced with 2 arrays - unused field removed. Small cleanup.

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mlemanczyk committed 2025-11-13 14:41:27 +01:00
1 parent 43863d03fb
commit c53aa517f7
14 files changed
+295 -420
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PerfectNumbers.Core/Gpu/Accelerators/AcceleratorStreamPool.cs
+5 -14
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@@ -6,21 +6,20 @@ namespace PerfectNumbers.Core.Gpu.Accelerators;
public static class AcceleratorStreamPool
{
private static readonly Dictionary<Accelerator, ConcurrentQueue<AcceleratorStream>> _streams = new(PerfectNumberConstants .RollingAccelerators);
// private static readonly ConcurrentDictionary<Accelerator, AcceleratorStream> _streams = new(AcceleratorPool.Shared.Accelerators.ToDictionary(static x => x, CreateStream));
private static readonly Dictionary<Accelerator, ConcurrentQueue<AcceleratorStream>> _streams = new(PerfectNumberConstants .RollingAccelerators << 1);
private static SemaphoreSlim CreateLock() => new(PerfectNumberConstants.ThreadsByStream);
private static AcceleratorStream CreateStream(Accelerator accelerator) => accelerator.CreateStream();
private static readonly Dictionary<Accelerator, SemaphoreSlim> _locks = new(AcceleratorPool.Shared.Accelerators.ToDictionary(x => x, static x => CreateLock()));
private static readonly Dictionary<Accelerator, SemaphoreSlim> _locks = new(PerfectNumberConstants.RollingAccelerators << 1);
// private static int _rented;
public static AcceleratorStream Rent(Accelerator accelerator)
{
var streamLock = _locks[accelerator];
// var streamLock = _locks.GetOrAdd(accelerator, static _ => CreateLock());
var queue = _streams[accelerator];
streamLock.Wait();
var queue = _streams[accelerator];
return queue.TryDequeue(out var stream)
? stream
@@ -40,13 +39,5 @@ public static class AcceleratorStreamPool
{
_streams.Add(accelerator, new());
_ = _locks.TryAdd(accelerator, CreateLock());
// ConcurrentQueue<AcceleratorStream> streamQueue = new();
// var stream = accelerator.CreateStream();
// // var stream = accelerator.CreateStream();
// streamQueue.Enqueue(stream);
// _streams[accelerator] = streamQueue;
// _locks[accelerator] = CreateLock();
// stream.Synchronize();
}
}