On Sunday, 13 August 2017 at 14:58, Matthew Miller wrote: > On Sun, Aug 13, 2017 at 11:01:04AM +0200, Kevin Kofler wrote: > > Can't we make it a drop-in replacement for reference BLAS/LAPACK and ATLAS, > > i.e., having symlinks or linker scripts pointing at least libblas.so and > > liblapack.so to libopenblas.so.*, ideally also libblas.so.3 and > > liblapack.so.3 so that no rebuilds are necessary and so that things using > > dlopen and third-party binary blobs also use OpenBLAS? > > > > The current situation where we have 3 different BLAS implementations and > > where for most programs, depending on your setup, you get either the worst > > one (reference BLAS) or a suboptimal one (ATLAS compiled for the baseline > > architecture), but never the best one (OpenBLAS with runtime CPU detection), > > is a mess. > > This sounds like a good idea (and worthy of a Change). I hate to > suggest Alternatives but maybe it's appropriate here? It also needs some patching, because each library has a different SONAME. I think atlas used to provide a drop-in replacement, but it was abandoned on the premise that scientific codes are compiled specifically for their target clusters anyway and Intel's math library (MKL) doesn't provide a drop-in replacement. Regards, Dominik -- Fedora https://getfedora.org | RPMFusion http://rpmfusion.org There should be a science of discontent. People need hard times and oppression to develop psychic muscles. -- from "Collected Sayings of Muad'Dib" by the Princess Irulan _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx
