Ryan, I don’t know about the others, but I have the following installed w/o atlas
R py-numpy py-scipy sundails2 > On Nov 5, 2020, at 4:35 PM, Ryan Schmidt <ryandes...@macports.org> wrote: > > On Nov 3, 2020, at 04:52, Vincent Habchi wrote: > >> Atlas, the software meant to provide scientific computing tools with a >> high-performance assembly-based library has, IMHO, reached its end of life. >> >> My case is this: >> >> • Last developer (unstable) release is more than two years old; >> • Last stable release is twice older (2016); >> • Consequently, ASM snippets Atlas relies on might not be up to date with >> the latest Intel processors; >> • Atlas will prolly never be ported to the new ARM-based architecture Apple >> is about to unveil; >> • The method used by Atlas to select the best assembly snippet (a.k.a >> “kernel”) for a given computation task is defeated by the power saving steps >> included in recent versions of MacOS, namely a gradual lowering of the >> priority of any power consuming task. This can lead to erratic, >> non-reproducible, and sub-optimal choices, rendering Atlas pointless; >> • Atlas build time from sources varies around 3 to 4 hours, regardless of >> the number of cores available (the selection process is mono-threaded), >> which makes Atlas cumbersome to build, and still more cumbersome to debug, >> barring on the quickest machines; >> • Since Atlas is CPU-based, no precompiled binaries should be available: at >> best, they will be suboptimal; at worse, they could contain unknown >> instructions old CPUs would crash on. >> >> For all these reasons, I’m convinced that pulling the plug on Atlas is a >> good idea. Any thoughts? > > Can all of the ports that currently depend on atlas be made to work correctly > without atlas? If so, that would probably be the first step. You can't remove > atlas while other ports depend on it. > > > DSDP > R > esmf > gr-specest > itpp > levmar > lua-numlua > nco > psfex > py-numpy > py-scipy > scamp > shogun > shogun-devel > source-extractor > stimfit > sundials > sundials2 > Marius -- Marius Schamschula
