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  • 1 commit
  • 1 file changed
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Commits on Apr 29, 2019

  1. openblas: turn off AVX512 optimizations 

    The AVX512 optimization has a bug in openblas-0.3.5
and can also lead to slower code on Xeon Silver CPUs.

See OpenMathLib/OpenBLAS#1955
and OpenMathLib/OpenBLAS#2029

(cherry picked from commit 7035aa7)
    @markuskowa
    markuskowa committed Apr 29, 2019
    Copy the full SHA
    28a5c36 View commit details
Showing with 1 addition and 0 deletions.
  1. +1 −0 pkgs/development/libraries/science/math/openblas/default.nix
1 change: 1 addition & 0 deletions pkgs/development/libraries/science/math/openblas/default.nix
View file
Original file line number Diff line number Diff line change
@@ -58,6 +58,7 @@ let
BINARY = 64;
TARGET = setTarget "ATHLON";
DYNAMIC_ARCH = true;
NO_AVX512 = true;
USE_OPENMP = true;
};
};