On Tue, Jan 10, 2023 at 12:32 PM Jan Hubicka via Gcc-patches
wrote:
>
>
> Hi,
> this patch adds more tunes for zen4:
> - new tunes for avx512 scater instructions.
>In micro benchmarks these seems consistent loss compared to open-coded coe
> - disable use of gather for zen4
>While these a
Hi,
this patch adds more tunes for zen4:
- new tunes for avx512 scater instructions.
In micro benchmarks these seems consistent loss compared to open-coded coe
- disable use of gather for zen4
While these are win for a micro benchmarks (based on TSVC), enabling gather
is a loss for par