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NCCL: specify cuda_arch (#28433)

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Adam J. Stewart 2022-01-17 02:40:38 -06:00 committed by GitHub
parent 5e595586a7
commit 5c4a250bf9
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1 changed files with 10 additions and 1 deletions
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var/spack/repos/builtin/packages/nccl/package.py
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@ -45,10 +45,19 @@ class Nccl(MakefilePackage, CudaPackage):
patch('so_reuseport.patch', when='@2.3.7-1:2.4.8-1')
conflicts('~cuda', msg='NCCL requires CUDA')
conflicts('cuda_arch=none',
msg='Must specify CUDA compute capabilities of your GPU, see '
'https://developer.nvidia.com/cuda-gpus')
@property
def build_targets(self):
return ['CUDA_HOME={0}'.format(self.spec['cuda'].prefix)]
cuda_arch = self.spec.variants['cuda_arch'].value
cuda_gencode = ' '.join(self.cuda_flags(cuda_arch))
return [
'CUDA_HOME={0}'.format(self.spec['cuda'].prefix),
'NVCC_GENCODE={0}'.format(cuda_gencode),
]
@property
def install_targets(self):