Not my choice to use ATLAS. It is requested by a software which I absolutely need (not in macports).
L. > Le 16 mars 2018 à 12:23, Marius Schamschula <[email protected]> a écrit : > > I have built atlas against gcc6, but have never bothered to build it against > gcc7. For the reason: see https://trac.macports.org/ticket/52606 > <https://trac.macports.org/ticket/52606> > > Using atlas is sub-optimal for macOS 10.11+, because of the way the OS kernel > handles timing. Never mind, the new file system under High Sierra… > > I no longer choose atlas variants for any ports. > >> On Mar 15, 2018, at 11:56 AM, pagani laurent via macports-users >> <[email protected] >> <mailto:[email protected]>> wrote: >> >> In fact, by using the +gcc5 as Craig suggested, I got the compiled libraries >> straight away without the building. >> Perhaps it is not tuned exactly to my machine but for my purpose, it seems >> to be fast enough. >> >> Laurent >> >>> Le 15 mars 2018 à 17:37, David Strubbe <[email protected] >>> <mailto:[email protected]>> a écrit : >>> >>> ATLAS just always takes a long time to build. It stands for "Automatically >>> Tuned Linear Algebra System," so all that time is the automatic tuning. If >>> you want a quicker build, use OpenBLAS or the built-in Accelerate framework. >>> >>> David >>> >>> On Thu, Mar 15, 2018 at 8:21 AM, Joshua Kordani <[email protected] >>> <mailto:[email protected]>> wrote: >>> This package will take a long time to build, although don't be surprised if >>> it fails on the first try. I can never get it to work on the first try >>> with default settings. >>> >>> >>> >>> On 3/15/18 9:45 AM, Craig Treleaven wrote: >>> On Mar 15, 2018, at 8:29 AM, pagani laurent via macports-users >>> <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> I reinstalled gcc5, both gcc5 and 7 are active but the result is the same. >>> I desactivate gcc7 but Xcode gcc takes precedence upon Macports/gcc5 even >>> when I deactivate/reactivate the later. >>> >>> I’m not familiar with ATLAS but I think you need to choose one of the >>> variants in order to build it with another compiler: >>> >>> $ port variants atlas >>> atlas has the variants: >>> gcc49: build using macports-gcc-4.9 >>> * conflicts with gcc5 mpclang37 perf >>> gcc5: build using macports-gcc-5 >>> * conflicts with gcc49 mpclang37 perf >>> mpclang37: use mp-clang-3.7 and gfortran >>> * conflicts with gcc49 gcc5 perf >>> nofortran: Forgo use of fortran compiler >>> universal: Build for multiple architectures >>> >>> Perhaps try >>> >>> sudo port install atlas +gcc5 >>> >>> Also, some packages can take a very long time to build. Adding the verbose >>> flag can give you more feedback as the build progresses: >>> >>> sudo port -v install atlas +gcc5 >>> >>> Craig >>> >>> >> >> "S'il n'y a pas de solution, c'est qu'il n'y a pas de problème" (devise >> Shadok) >> > > Marius > -- > Marius Schamschula > > > > "S'il n'y a pas de solution, c'est qu'il n'y a pas de problème" (devise Shadok)
