Ludovic Courtès <ludovic.cour...@inria.fr> writes: > Hi Eric, > > Eric Brown <ecbr...@ericcbrown.com> skribis: > >> There are scenarios where reference BLAS is more stable and/or >> reproducible than optimized BLAS libraries. Sometimes its lack of >> knowledge of OpenBLAS and/or a numerical issue. >> >> (cf. GNU R's discussion of which BLAS to use.) > > Do you have a pointer to that discussion? > > Are there other cases where netlib BLAS is considered more appropriate > than OpenBLAS because it’s more numerically stable? > > Thanks for your feedback, > Ludo’.
Also: * More controversially: consider 64-bit addressing. It is depressing to hit 32-bit memory limits on large machines which ought to accomodate larger problems. (e.g. -fdefault-integer-8, ILP64)