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# Copyright 2013-2019 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 *
def cross_detect():
if spack.architecture.platform().name == 'cray':
if which('srun'):
return 'cray-aries-slurm'
if which('alps'):
return 'cray-aries-alps'
return 'none'
class Upcxx(Package):
"""UPC++ is a C++ library that supports Partitioned Global Address Space
(PGAS) programming, and is designed to interoperate smoothly and
efficiently with MPI, OpenMP, CUDA and AMTs. It leverages GASNet-EX to
deliver low-overhead, fine-grained communication, including Remote Memory
Access (RMA) and Remote Procedure Call (RPC)."""
homepage = "https://upcxx.lbl.gov"
version('2019.9.0', sha256='7d67ccbeeefb59de9f403acc719f52127a30801a2c2b9774a1df03f850f8f1d4')
version('2019.3.2', sha256='dcb0b337c05a0feb2ed5386f5da6c60342412b49cab10f282f461e74411018ad')
variant('cuda', default=False,
description='Builds a CUDA-enabled version of UPC++')
variant('cross', default=cross_detect(),
description="UPC++ cross-compile target (autodetect by default)")
conflicts('cross=none', when='platform=cray',
msg='None is unacceptable on Cray.')
depends_on('cuda', when='+cuda')
def url_for_version(self, version):
if version > Version('2019.3.2'):
url = "https://bitbucket.org/berkeleylab/upcxx/downloads/upcxx-{0}.tar.gz"
else:
url = "https://bitbucket.org/berkeleylab/upcxx/downloads/upcxx-{0}-offline.tar.gz"
return url.format(version)
def setup_environment(self, spack_env, run_env):
if 'platform=cray' in self.spec:
spack_env.set('GASNET_CONFIGURE_ARGS', '--enable-mpi=probe')
if 'cross=none' not in self.spec:
spack_env.set('CROSS', self.spec.variants['cross'].value)
if '+cuda' in self.spec:
spack_env.set('UPCXX_CUDA', '1')
spack_env.set('UPCXX_CUDA_NVCC', self.spec['cuda'].prefix.bin.nvcc)
run_env.set('UPCXX_INSTALL', self.prefix)
run_env.set('UPCXX', self.prefix.bin.upcxx)
if 'platform=cray' in self.spec:
run_env.set('UPCXX_GASNET_CONDUIT', 'aries')
run_env.set('UPCXX_NETWORK', 'aries')
def setup_dependent_package(self, module, dep_spec):
dep_spec.upcxx = self.prefix.bin.upcxx
def setup_dependent_environment(self, spack_env, run_env, dependent_spec):
spack_env.set('UPCXX_INSTALL', self.prefix)
spack_env.set('UPCXX', self.prefix.bin.upcxx)
if 'platform=cray' in self.spec:
spack_env.set('UPCXX_GASNET_CONDUIT', 'aries')
spack_env.set('UPCXX_NETWORK', 'aries')
def install(self, spec, prefix):
env['CC'] = self.compiler.cc
env['CXX'] = self.compiler.cxx
installsh = Executable("./install")
installsh(prefix)
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