Ricardo Wurmus <ricardo.wur...@mdc-berlin.de> skribis: > Mark H Weaver writes: > >> When reading this the first time, somehow I managed to miss the fact >> that users will have to set OPENBLAS_CORETYPE to their CPU type. Does >> that mean that openblas is unable to detect the CPU type automatically? >> What does it do if OPENBLAS_CORETYPE is unset? >> >> Will we have to set it during the build of packages that use openblas, >> such as Julia? > > It appears that this is not necessary. I downloaded the OpenBLAS > substitute from hydra and built Julia locally on my notebook. Julia > runs without problems. It appears that OpenBLAS does detect the CPU > type automatically.
That’s good news. > (There is a problem with our Julia package, which made me build Julia > myself. Also seems to be related to CPU tuning. Passing a make-flag to > force a generic build should fix this.) OK. Ludo’.