[mechanical_bear]

So it appears not only is this posting from 2019, but the most recent information they reference is 2010. This seems to be no longer relevant? I’d love it if submissions on HN had a small blurb from the author explaining why their submission is interesting/relevant.

[nonplus]

There are 2020 updates around MKL (But you may be correct that that content is about 2019 MKL optimizations).

At any rate though, based on Intel's track record I think this content is still relevant and of value to engineers who don't have domain knowledge in compilers or work downstream.

[shrx]

It certainly is still relevant. Please read the article (and the 2020 update below) before commenting on it.

[Anunayj]

yup, infact recently MATLAB applied a fix to this for their software [1]

[1] https://www.extremetech.com/computing/308501-crippled-no-lon...

[MikePlacid]

Thank you for the link. It helped me to find the actual performance difference. It is significant:

AMD’s performance improves by 1.32x – 1.37x overall… changing what looked like a narrow victory [for Intel] over the 3960X and a good showing against the 3970X into an all-out loss. https://www.extremetech.com/computing/302650-how-to-bypass-m...

[mechanical_bear]

I didn’t state it was not relevant, I asked. Glad to see there is an update. My main point stands though, I’d love to see an explanation with posts.

[nonplus]

I would love to see a 2022 follow-up from Agner Fog on this. He has work on C++ compilers as recently as 2021 so I'm sure he has recent real world info on the topic.

https://www.agner.org/optimize/#manuals