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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 PyAmrex(PythonPackage, CudaPackage, ROCmPackage):
"""AMReX Python Bindings with pybind11"""
homepage = "https://amrex-codes.github.io/amrex/"
git = "https://github.com/AMReX-Codes/pyamrex.git"
maintainers("ax3l", "RTSandberg", "sayerhs", "WeiqunZhang")
license("BSD-3-Clause-LBNL")
version("develop", branch="development")
variant("dimensions", default="3", description="Dimensionality", values=("1", "2", "3"))
variant("mpi", default=True, description="Build with MPI support")
variant("openmp", default=False, description="Build with OpenMP support")
variant(
"precision",
default="double",
description="Real precision (double/single)",
values=("single", "double"),
)
variant("tiny_profile", default=False, description="Enable tiny profiling")
depends_on("python@3.7:", type=("build", "run"))
depends_on("py-numpy@1.15.0:1", type=("build", "run"))
depends_on("py-mpi4py@2.1.0:", type=("build", "run"), when="+mpi")
depends_on("py-setuptools@42:", type="build")
# We just need a CMake binary, and py-cmake is notoriously hard to build on
# exotic architectures. So ignore the pyproject.toml declaration and use
# Spack's cmake package.
# depends_on('py-cmake@3.20:3', type='build')
depends_on("cmake@3.20:3", type="build")
depends_on("py-pybind11@2.9.1:", type="link")
# AMReX options
depends_on("amrex@22.08:", type=("build", "link"))
# required variants
depends_on("amrex +pic +particles")
# controllable variants
with when("dimensions=1"):
depends_on("amrex dimensions=1")
with when("dimensions=2"):
depends_on("amrex dimensions=2")
with when("dimensions=3"):
depends_on("amrex dimensions=3")
with when("+mpi"):
depends_on("amrex +mpi")
with when("+openmp"):
depends_on("amrex +openmp")
with when("+tiny_profile"):
depends_on("amrex +tiny_profile")
with when("+cuda"):
depends_on("amrex +cuda")
# todo: how to forward cuda_arch?
with when("+rocm"):
depends_on("amrex +rocm")
# todo: how to forward amdgpu_target?
def setup_build_environment(self, env):
spec = self.spec
# disable superbuilds: use external dependencies
env.set("AMREX_INTERNAL", "OFF")
env.set("PYBIND11_INTERNAL", "OFF")
# configure to require the exact AMReX configs provided by Spack
env.set("AMREX_SPACEDIM", spec.variants["dimensions"].value)
env.set("AMREX_MPI", "ON" if spec.satisfies("+mpi") else "OFF")
env.set("AMREX_OMP", "ON" if spec.satisfies("+omp") else "OFF")
env.set("AMREX_PRECISION", spec.variants["precision"].value.upper())
with when("+cuda"):
env.set("AMREX_GPU_BACKEND", "CUDA")
with when("+rocm"):
env.set("AMREX_GPU_BACKEND", "HIP")
# with when("+sycl"):
# env.set("AMREX_GPU_BACKEND", "SYCL")
# control build parallelism
env.set("CMAKE_BUILD_PARALLEL_LEVEL", make_jobs)
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