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{ lib, stdenv
, fetchFromGitHub
, perl
, python3
# Enable BLAS interface with 64-bit integer width.
, blas64 ? false
# Target architecture. "amdzen" compiles kernels for all Zen
# generations. To build kernels for specific Zen generations,
# use "zen", "zen2", "zen3", or "zen4".
, withArchitecture ? "amdzen"
# Enable OpenMP-based threading.
, withOpenMP ? true
}:
let
threadingSuffix = lib.optionalString withOpenMP "-mt";
blasIntSize = if blas64 then "64" else "32";
in stdenv.mkDerivation rec {
pname = "amd-blis";
version = "4.1";
src = fetchFromGitHub {
owner = "amd";
repo = "blis";
rev = version;
hash = "sha256-1vd4uBg/+Vufqsr+MnAWSUW/THkribHNSMeq1/is8K4=";
};
inherit blas64;
nativeBuildInputs = [
perl
python3
];
# Tests currently fail with non-Zen CPUs due to a floating point
# exception in one of the generic kernels. Try to re-enable the
# next release.
doCheck = false;
enableParallelBuilding = true;
configureFlags = [
"--enable-cblas"
"--blas-int-size=${blasIntSize}"
] ++ lib.optionals withOpenMP [ "--enable-threading=openmp" ]
++ [ withArchitecture ];
postPatch = ''
patchShebangs configure build/flatten-headers.py
'';
postInstall = ''
ls $out/lib
ln -s $out/lib/libblis${threadingSuffix}.so $out/lib/libblas.so.3
ln -s $out/lib/libblis${threadingSuffix}.so $out/lib/libcblas.so.3
ln -s $out/lib/libblas.so.3 $out/lib/libblas.so
ln -s $out/lib/libcblas.so.3 $out/lib/libcblas.so
'';
meta = with lib; {
description = "BLAS-compatible library optimized for AMD CPUs";
homepage = "https://developer.amd.com/amd-aocl/blas-library/";
license = licenses.bsd3;
maintainers = [ maintainers.markuskowa ];
platforms = [ "x86_64-linux" ];
};
}
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