GCC 11 Squeezes In Another Zen 3 Optimization

[phoronix]

Phoronix: GCC 11 Squeezes In Another Zen 3 Optimization

Just weeks ahead of the GCC 11 stable release we saw Znver3 tuning work out of SUSE for allowing the GNU Compiler Collection to better cater towards the AMD Zen 3 microarchitecture. That tuning work follows the initial patch at the end of last year that introduced "Znver3" and flipped on the new instructions. Now another patch working on the Zen 3 tuning for GCC has been posted and already merged...

https://www.phoronix.com/scan.php?page=news_item&px=GCC11-Znver3-GATHER-Patch-2

[coder]

Seems like it could be useful for small convolutions, such as those commonly used in convolutional neural networks.