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# Copyright 2013-2022 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 Alpaka(CMakePackage, CudaPackage):
"""Abstraction Library for Parallel Kernel Acceleration."""
homepage = "https://alpaka.readthedocs.io"
url = "https://github.com/alpaka-group/alpaka/archive/refs/tags/0.6.0.tar.gz"
git = "https://github.com/alpaka-group/alpaka.git"
maintainers = ['vvolkl']
version('develop', branch='develop')
version('0.8.0', sha256='e01bc377a7657d9a3e0c5f8d3f83dffbd7d0b830283c59efcbc1fb98cf88de43')
version('0.7.0', sha256='4b61119a7b3b073f281ba15b63430db98b77dbd9420bc290a114f80121fbdd97')
version('0.6.0', sha256='7424ecaee3af15e587b327e983998410fa379c61d987bfe923c7e95d65db11a3')
version('0.5.0', sha256='0ba08ea19961dd986160219ba00d6162fe7758980d88a606eff6494d7b3a6cd1')
version('0.4.0', sha256='ad7905b13c22abcee4344ba225a65078e3f452ad45a9eda907e7d27c08315e46')
variant("backend", multi=True, values=('serial', 'threads', 'fiber', 'tbb', 'omp2_gridblock', 'omp2_blockthread', 'omp5', 'oacc', 'cuda', 'cuda_only', 'hip', 'hip_only'), description="Backends to enable", default='serial')
variant("examples", default=False, description="Build alpaka examples")
depends_on('boost')
depends_on('boost+fiber', when="backend=fiber")
depends_on('cmake@3.18:', when='@0.7.0:')
# make sure no other backend is enabled if using cuda_only or hip_only
for v in ('serial', 'threads', 'fiber', 'tbb', 'oacc',
'omp2_gridblock', 'omp2_blockthread', 'omp5', 'cuda', 'hip'):
conflicts('backend=cuda_only,%s' % v)
conflicts('backend=hip_only,%s' % v)
conflicts('backend=cuda_only,hip_only')
for v in ('omp2_blockthread', 'omp2_blockthread', 'omp5'):
conflicts('backend=oacc,%s' % v)
# todo: add conflict between cuda 11.3 and gcc 10.3.0
# see https://github.com/alpaka-group/alpaka/issues/1297
def cmake_args(self):
spec = self.spec
args = []
if 'backend=serial' in spec:
args.append(self.define("ALPAKA_ACC_CPU_B_SEQ_T_SEQ_ENABLE", True))
if 'backend=threads' in self.spec:
args.append(self.define("ALPAKA_ACC_CPU_B_SEQ_T_THREADS_ENABLE", True))
if 'backend=fiber' in spec:
args.append(self.define("ALPAKA_ACC_CPU_B_SEQ_T_FIBERS_ENABLE", True))
if 'backend=tbb' in spec:
args.append(self.define("ALPAKA_ACC_CPU_B_TBB_T_SEQ_ENABLE", True))
if 'backend=omp2_gridblock' in spec:
args.append(self.define("ALPAKA_ACC_CPU_B_OMP2_T_SEQ_ENABLE", True))
if 'backend=omp2_blockthread' in spec:
args.append(self.define("ALPAKA_ACC_CPU_B_SEQ_T_OMP2_ENABLE", True))
if 'backend=omp5' in spec:
args.append(self.define("ALPAKA_ACC_ANY_BT_OMP5_ENABLE", True))
if 'backend=oacc' in spec:
args.append(self.define("ALPAKA_ACC_ANY_BT_OACC_ENABLE", True))
if 'backend=cuda' in spec:
args.append(self.define("ALPAKA_ACC_GPU_CUDA_ENABLE", True))
if 'backend=cuda_only' in spec:
args.append(self.define("ALPAKA_ACC_GPU_CUDA_ENABLE", True))
args.append(self.define("ALPAKA_ACC_GPU_CUDA_ONLY_MODE", True))
if 'backend=hip' in spec:
args.append(self.define("ALPAKA_ACC_GPU_HIP_ENABLE", True))
if 'backend=hip_only' in spec:
args.append(self.define("ALPAKA_ACC_GPU_HIP_ENABLE", True))
args.append(self.define("ALPAKA_ACC_GPU_HIP_ONLY_MODE", True))
args.append(self.define_from_variant("alpaka_BUILD_EXAMPLES",
"examples"))
# need to define, as it is explicitly declared as an option by alpaka:
args.append(self.define("BUILD_TESTING", self.run_tests))
return args
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