Ricardo Wurmus <ricardo.wur...@mdc-berlin.de> writes: > Hi Guix, > > python-numpy currently depends on Atlas, which means that it cannot be > substituted with a binary built elsewhere. OpenBLAS is an alternative > to Atlas and the binary can be used on all supported CPUs at runtime. > This makes it possible for us to make numpy substitutable.
Out of curiosity, could you outline how OpenBLAS is optimized for a specific CPU architecture while being compiled on a different CPU (and hence allowing to be substituted)? Thanks, Fede
