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| author | Tungsten842 <886724vf@anonaddy.me> | 2023-03-13 12:31:32 +0100 |
|---|---|---|
| committer | Tungsten842 <886724vf@anonaddy.me> | 2023-03-13 12:31:32 +0100 |
| commit | 23f23a89b325b06e3f7ff6c0a45e06271db49ead (patch) | |
| tree | f989f4487ac0012dfe925d2605dff5784fc63307 /pkgs/development/libraries/fftw | |
| parent | 5ad547c708bef1fed0bc35ef5bda74150a1d9075 (diff) | |
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fftw: enable optimizations unconditionally and build with mtune=generic
Diffstat (limited to 'pkgs/development/libraries/fftw')
| -rw-r--r-- | pkgs/development/libraries/fftw/default.nix | 39 |
1 files changed, 19 insertions, 20 deletions
diff --git a/pkgs/development/libraries/fftw/default.nix b/pkgs/development/libraries/fftw/default.nix index 9d83fdb4878..e09786976f7 100644 --- a/pkgs/development/libraries/fftw/default.nix +++ b/pkgs/development/libraries/fftw/default.nix @@ -5,10 +5,6 @@ , perl , llvmPackages , precision ? "double" -, enableAvx ? stdenv.hostPlatform.avxSupport -, enableAvx2 ? stdenv.hostPlatform.avx2Support -, enableAvx512 ? stdenv.hostPlatform.avx512Support -, enableFma ? stdenv.hostPlatform.fmaSupport , enableMpi ? false , mpi , withDoc ? stdenv.cc.isGNU @@ -40,22 +36,25 @@ stdenv.mkDerivation (finalAttrs: { llvmPackages.openmp ] ++ lib.optional enableMpi mpi; - configureFlags = - [ "--enable-shared" - "--enable-threads" - ] - ++ lib.optional (precision != "double") "--enable-${precision}" - # all x86_64 have sse2 - # however, not all float sizes fit - ++ lib.optional (stdenv.isx86_64 && (precision == "single" || precision == "double") ) "--enable-sse2" - ++ lib.optional enableAvx "--enable-avx" - ++ lib.optional enableAvx2 "--enable-avx2" - ++ lib.optional enableAvx512 "--enable-avx512" - ++ lib.optional enableFma "--enable-fma" - ++ [ "--enable-openmp" ] - ++ lib.optional enableMpi "--enable-mpi" - # doc generation causes Fortran wrapper generation which hard-codes gcc - ++ lib.optional (!withDoc) "--disable-doc"; + configureFlags = [ + "--enable-shared" + "--enable-threads" + "--enable-openmp" + ] + + ++ lib.optional (precision != "double") "--enable-${precision}" + # https://www.fftw.org/fftw3_doc/SIMD-alignment-and-fftw_005fmalloc.html + # FFTW will try to detect at runtime whether the CPU supports these extensions + ++ lib.optional (stdenv.isx86_64 && (precision == "single" || precision == "double")) + "--enable-sse2 --enable-avx --enable-avx2 --enable-avx512 --enable-avx128-fma" + ++ lib.optional enableMpi "--enable-mpi" + # doc generation causes Fortran wrapper generation which hard-codes gcc + ++ lib.optional (!withDoc) "--disable-doc"; + + # fftw builds with -mtune=native by default + postPatch = '' + substituteInPlace configure --replace "-mtune=native" "-mtune=generic" + ''; enableParallelBuilding = true; |