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Bugfix for x86_64 skylake and other archs where SIMD features are disabled by Fall back option. (#21727)

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Evan Bollig 2021-02-17 10:09:34 -06:00 committed by GitHub
parent 3e72a12bfd
commit d429265d8b
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1 changed files with 4 additions and 1 deletions
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5
var/spack/repos/builtin/packages/gromacs/package.py
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@ -262,13 +262,16 @@ def cmake_args(self):
('avx512', 'AVX_512') in simd_features): ('avx512', 'AVX_512') in simd_features):
simd_features.remove(('avx512', 'AVX_512')) simd_features.remove(('avx512', 'AVX_512'))
feature_set = False
for feature, flag in reversed(simd_features): for feature, flag in reversed(simd_features):
if feature in target: if feature in target:
options.append('-DGMX_SIMD:STRING={0}'.format(flag)) options.append('-DGMX_SIMD:STRING={0}'.format(flag))
feature_set = True
break break
# Fall back # Fall back
options.append('-DGMX_SIMD:STRING=None') if not feature_set:
options.append('-DGMX_SIMD:STRING=None')
# Use the 'rtdscp' assembly instruction only on # Use the 'rtdscp' assembly instruction only on
# appropriate architectures # appropriate architectures