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# Copyright 2013-2018 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)
from spack import *
class Nccl(MakefilePackage):
"""Optimized primitives for collective multi-GPU communication."""
homepage = "https://github.com/NVIDIA/nccl"
url = "https://github.com/NVIDIA/nccl/archive/v1.3.4-1.tar.gz"
version('2.3.5-5',
sha256='bac9950b4d3980c25baa8e3e4541d2dfb4d21edf32ad3b89022d04920357142f')
version('2.2', '5b9ce7fbdce0fde68e0f66318e6ff422')
version('1.3.4-1', '5b9ce7fbdce0fde68e0f66318e6ff422')
version('1.3.0-1', 'f6fb1d56913a7d212ca0c300e76f01fb')
depends_on('cuda')
@property
def build_targets(self):
return ['CUDA_HOME={0}'.format(self.spec['cuda'].prefix)]
@property
def install_targets(self):
if self.version >= Version('2.3.5-5'):
return ['PREFIX={0}'.format(self.prefix), 'src.install']
else:
return ['PREFIX={0}'.format(self.prefix), 'install']
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