On Wednesday, 26 February 2020 at 22:07:30 UTC, Johan wrote:
On Wednesday, 26 February 2020 at 00:50:35 UTC, Basile B. wrote:
[...]
Hi Basile,
I recently saw this presentation:
https://www.youtube.com/watch?v=Czr5dBfs72U
Andrei made a talk about this too a few years ago.
It has some ideas that may help you make sure your measurements
are good and may give you ideas to find the performance
bottleneck or where to optimize.
llvm-mca is featured on godbolt.org:
https://mca.godbolt.org/z/YWp3yv
cheers,
Johan