Performance regression (weakbarrier)
Hi, I noticed quite a serious regression after this build, on all builds settings: strongmem=1, weakbarrier=1
https://github.com/ptitSeb/box64/actions/runs/11921132727/job/33224607941
I'm attaching screenshots with comparison, thanks in advance :)

1) screenshot from this build https://github.com/ptitSeb/box64/actions/runs/11998786363) same result on all builds after build in 2)
![Screenshot_20241124-235253](https://github.com/user-attachments/assets/9b054c69-43c7-478a-9353-7491b3e9d07d)
2) screenshot from this build (last fastest)
https://github.com/ptitSeb/box64/actions/runs/11921132727/job/33224607941
![Screenshot_20241125-002910](https://github.com/user-attachments/assets/bd80d8a5-e0e3-4d8b-851d-140a5088a5b8)
3) screenshot with Strongmem=1 without Weakbarrier=1
![Screenshot_20241124-235838](https://github.com/user-attachments/assets/35858955-6b02-4cf8-8d68-ebfcd0076f02)