On Mon, Feb 21, 2022 at 10:29 AM Hongyu Wang wrote:
>
> Hi,
>
> For cmpxchg, it is commonly used in spin loop, and several user code
> such as pthread directly takes cmpxchg as loop condition, which cause
> huge cache bouncing.
>
> This patch extends previous implementation to relax all cmpxchg
>
Hi,
For cmpxchg, it is commonly used in spin loop, and several user code
such as pthread directly takes cmpxchg as loop condition, which cause
huge cache bouncing.
This patch extends previous implementation to relax all cmpxchg
instruction under -mrelax-cmpxchg-loop with an extra atomic load,
com
