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Nitload
2026-03-16 07:15:19 +08:00
parent ccf95ec270
commit 8e6dfa7211
3 changed files with 62 additions and 50 deletions
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StgSharp.Common/HighPerformance/Memory/L4.CacheLine.cs
+23 -28
View File
@@ -1,39 +1,34 @@
//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="L4.CacheLine"
// file="L4.CacheLine.cs"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. 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.
// 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 System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
using System.Text;
using System.Threading.Tasks;
namespace StgSharp.HighPerformance.Memory
{
@@ -54,11 +49,11 @@ namespace StgSharp.HighPerformance.Memory
internal int _id;
internal int _refCount;
internal long _profile;
internal nuint _address;
internal nuint _origin;
internal ulong _profile;
}
}
StgSharp.Common/HighPerformance/Memory/L4.Predict.cs
+35 -16
View File
@@ -2,8 +2,8 @@
// -----------------------------------------------------------------------
// file="L4.Predict"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. 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
@@ -36,29 +36,48 @@ namespace StgSharp.HighPerformance.Memory
public interface IPrefetchPredict
{
int Predict(
Span<CacheLinePrediction> node
);
int Predict(Span<CacheLinePrediction> node);
bool Prefetch(
nuint origin,
ulong policy,
nuint cache
);
bool Prefetch(nuint origin, ulong policy, nuint cache);
void WriteBack(
nuint origin,
ulong policy,
nuint cache
);
void WriteBack(nuint origin, ulong policy, nuint cache);
}
public struct CacheLinePrediction
public struct CacheLinePrediction : IEquatable<CacheLinePrediction>
{
public override readonly bool Equals(object? obj)
{
return obj is CacheLinePrediction prediction &&
Address.Equals(prediction.Address) &&
MapPolicy == prediction.MapPolicy;
}
public readonly bool Equals(CacheLinePrediction other)
{
return
Address == other.Address && MapPolicy == other.MapPolicy;
}
public override readonly int GetHashCode()
{
return HashCode.Combine(Address, MapPolicy);
}
public static bool operator !=(CacheLinePrediction left, CacheLinePrediction right)
{
return !(left == right);
}
public static bool operator ==(CacheLinePrediction left, CacheLinePrediction right)
{
return left.Equals(right);
}
#pragma warning disable CA1051
public nuint Address;
public ulong MapPolicy;
#pragma warning restore CA1051
}
}
StgSharp.Common/HighPerformance/Memory/L4.Prefetch.cs
+4 -6
View File
@@ -2,8 +2,8 @@
// -----------------------------------------------------------------------
// file="L4.Prefetch"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. 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
@@ -72,14 +72,12 @@ namespace StgSharp.HighPerformance.Memory
}
CacheLineHead* head = &_head[index];
// pre fetch them here
PrefetchPredict.Prefetch(head->_origin, _head->_profile, _head->_address);
}
}
private partial bool TestHit(
nuint origin
)
private partial bool TestHit(nuint origin)
{
if (_map.TryGet(origin, out nuint handle))
{