From 27620161c29dbfe159b53700b3e5069df17d4fb8 Mon Sep 17 00:00:00 2001
From: LotP1 <68976644+LotP1@users.noreply.github.com>
Date: Thu, 20 Nov 2025 02:21:56 +0100
Subject: [PATCH] experimental caching of memory array

---
 src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs b/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs
index 0ad96c6ae..c1840adf7 100644
--- a/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs
+++ b/src/Ryujinx.Cpu/Jit/MemoryManagerHostTracked.cs
@@ -263,6 +263,9 @@ namespace Ryujinx.Cpu.Jit
             }
         }
 
+        //Might cause issues, if so revert to old solution
+        byte[] _cachedArray = [];
+        
         public override ReadOnlySpan<byte> GetSpan(ulong va, int size, bool tracked = false)
         {
             if (size == 0)
@@ -281,7 +284,12 @@ namespace Ryujinx.Cpu.Jit
             }
             else
             {
-                Span<byte> data = new byte[size];
+                if (_cachedArray.Length < size)
+                {
+                    Array.Resize(ref _cachedArray, size);
+                }
+                
+                Span<byte> data = _cachedArray.AsSpan(0, size);
 
                 Read(va, data);