I’ve submitted https://github.com/apache/spark/pull/30810. It does use a
profile to selectively compile VectorizedBLAS, and it uses reflection to try
loading it at run-time and falls back to F2jBLAS.
I’m running right now the benchmarks on my x86 machine and I’ll post them on
the PR.
From: Sea
It's fine to prototype it. Because users can also get BLAS support by
enabling a profile already, I think it bears understanding if perf is at
least comparable before adding it as another option.
Or it could simply be an extra module / library until that time if it's
desirable to release.
This may
Hi,
Thank you for the feedback. I’ll work on the profile-based approach to
selectively compile this VectorBLAS class in. As for the run-time, I haven’t
used specifically a reflection-based approach but a more simple `try { new
VectorBLAS() } catch (NoClassDefFoundError) { new F2jBLAS() }`. I’ll
