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# Copyright 2013-2023 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.package import *
class Amgx(CMakePackage, CudaPackage):
"""AmgX provides a simple path to accelerated core solver technology on
NVIDIA GPUs. AmgX provides up to 10x acceleration to the computationally
intense linear solver portion of simulations, and is especially well
suited for implicit unstructured methods. It is a high performance,
state-of-the-art library and includes a flexible solver composition
system that allows a user to easily construct complex nested solvers and
preconditioners."""
homepage = "https://developer.nvidia.com/amgx"
url = "https://github.com/nvidia/amgx/archive/v2.1.0.tar.gz"
maintainers("js947")
license("BSD-3-Clause")
version("2.3.0", sha256="419b3cd5bd3eb3469cbef79d64a8d19d5db88dd5cce809e49cac6fc4fc2edff1")
version("2.2.0", sha256="dac78516bb528135cad903399fe0093aa0904e304565ef2d3da4fae05eda7928")
version("2.1.0", sha256="6245112b768a1dc3486b2b3c049342e232eb6281a6021fffa8b20c11631f63cc")
version("2.0.1", sha256="6f9991f1836fbf4ba2114ce9f49febd0edc069a24f533bd94fd9aa9be72435a7")
version("2.0.0", sha256="8ec7ea8412be3de216fcf7243c4e2a8bcf76878e6865468e4238630a082a431b")
variant("cuda", default=True, description="Build with CUDA")
variant("mpi", default=True, description="Enable MPI support")
variant("mkl", default=False, description="Enable MKL support")
variant("magma", default=False, description="Enable Magma support")
depends_on("mpi", when="+mpi")
depends_on("mkl", when="+mkl")
depends_on("magma", when="+magma")
def cmake_args(self):
args = []
args.append("-DCMAKE_NO_MPI={0}".format("1" if "+mpi" not in self.spec else "0"))
if "+cuda" in self.spec:
args.append("-DWITH_CUDA=ON")
cuda_arch = self.spec.variants["cuda_arch"].value
if cuda_arch != "none":
args.append("-DCUDA_ARCH={0}".format(cuda_arch[0]))
else:
args.append("-DWITH_CUDA=OFF")
if "+mkl" in self.spec:
args.append("-DMKL_ROOT_DIR={0}".format(self.spec["mkl"].prefix))
if "+magma" in self.spec:
args.append("-DMAGMA_ROOT_DIR={0}".format(self.spec["magma"].prefix))
return args
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