OpenBLAS 0.3.19 Released With Alder Lake & Sapphire Rapids Detection

[phoronix]

Phoronix: OpenBLAS 0.3.19 Released With Alder Lake & Sapphire Rapids Detection

OpenBLAS as the popular, open-source BLAS (Basic Linear Algebra Subprograms) library implementation posted its newest release on Sunday...

https://www.phoronix.com/scan.php?page=news_item&px=OpenBLAS-0.3.19

[coder]

- The dynamic architecture builds on x86_64 will now fall-back to the CPU with most similar capabilities when hitting an unknown CPU, rather than defaulting to Intel Prescott capabilities.

OMG, this.

Whenever I've used particular CPU extensions, I've made use of the fact that CPU ID includes bits for individual capabilities. C'mon, man. What kind of fool hard-codes specific model numbers??

[yump]

I wonder what fraction of CPUs are unknown to OpenBLAS? Like, how common of a problem was this?