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Memory Changes part 2

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* Slightly refactors RangeLists from the last Memory Changes MR, which fixes issue 61.

* Convert as many const size array iterators to span iterators as possible. When iterating over a const size array, every iteration created a Span, now only the first iteration does in most places.

* Now using object pooling for a few object types that were rapidly deleted and recreated.

* Converted a few flag checks to binary operations to save memory allocations.
This commit is contained in:
LotP 2025-08-25 17:44:15 -05:00 • committed by KeatonTheBot
parent 01cb33f658
commit 171624e7f0
89 changed files with 2121 additions and 1157 deletions
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10
src/Ryujinx.Common/Memory/PartialUnmaps/ThreadLocalMap.cs
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@ -1,3 +1,4 @@
using System;
using System.Runtime.InteropServices;
using System.Threading;
using static Ryujinx.Common.Memory.PartialUnmaps.PartialUnmapHelpers;
@ -42,10 +43,13 @@ namespace Ryujinx.Common.Memory.PartialUnmaps
public int GetOrReserve(int threadId, T initial)
{
// Try get a match first.
Span<int> threadIdsSpan = ThreadIds.AsSpan();
Span<T> structsSpan = Structs.AsSpan();
for (int i = 0; i < MapSize; i++)
{
int compare = Interlocked.CompareExchange(ref ThreadIds[i], threadId, threadId);
int compare = Interlocked.CompareExchange(ref threadIdsSpan[i], threadId, threadId);
if (compare == threadId)
{
@ -57,11 +61,11 @@ namespace Ryujinx.Common.Memory.PartialUnmaps
for (int i = 0; i < MapSize; i++)
{
int compare = Interlocked.CompareExchange(ref ThreadIds[i], threadId, 0);
int compare = Interlocked.CompareExchange(ref threadIdsSpan[i], threadId, 0);
if (compare == 0)
{
Structs[i] = initial;
structsSpan[i] = initial;
return i;
}
}