Merge pull request #93692 from danieldk/onednn-test-baseline-simd

oneDNN: use SSE 4.1 when running tests
NixOS · Jul 23, 2020 · bb259af · bb259af
2 parents 2acbca9 + 24737e5
commit bb259af
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkgs/development/libraries/oneDNN/default.nix b/pkgs/development/libraries/oneDNN/default.nix
@@ -24,6 +24,9 @@ stdenv.mkDerivation rec {
   preCheck = ''
     export LD_LIBRARY_PATH=$LD_LIBRARY_PATH''${LD_LIBRARY_PATH:+:}$PWD/src
     export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH''${DYLD_LIBRARY_PATH:+:}$PWD/src
+  '' + lib.optionalString stdenv.isx86_64 ''
+    # Use baseline SIMD in case CPU features get misdetected.
+    export DNNL_MAX_CPU_ISA=SSE41
   '';
 
   # The cmake install gets tripped up and installs a nix tree into $out, in