[PATCH 2.32] x86: Optimizing memcpy for AMD Zen architecture.
Florian Weimer
fweimer@redhat.com
Fri Oct 30 08:44:01 GMT 2020
* Sajan Karumanchi:
> [AMD Public Use]
>
> Hi Florian,
>
> The backport to 2.32 looks clean. But make sure this backporting is done on top of Patrick McGehearty patch, which tunes the non-temporal threshold '__x86_shared_non_temporal_threshold' parameter by dropping of 'threads' parameter.
>
> - : __x86_shared_cache_size * threads * 3 / 4);
> + : __x86_shared_cache_size * 3 / 4);
Yes, that's already on the branch.
I'm going to repost this backport patch with the follow-up fix applied.
Thanks,
Florian
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