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# Copyright 2013-2024 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 Cusz(CMakePackage, CudaPackage):
"""A GPU accelerated error-bounded lossy compression for scientific data"""
homepage = "https://szcompressor.org/"
git = "https://github.com/szcompressor/cusz"
url = "https://github.com/szcompressor/cuSZ/archive/refs/tags/v0.3.tar.gz"
maintainers("jtian0", "dingwentao")
tags = ["e4s"]
conflicts("~cuda")
conflicts("cuda_arch=none", when="+cuda")
version("develop", branch="develop")
version("0.3.1", commit="02be3cbd07db467decaf45ec9eb593ba6173c809")
version("0.3", sha256="0feb4f7fd64879fe147624dd5ad164adf3983f79b2e0383d35724f8d185dcb11")
# these version of Cuda provide the CUB headers, but not CUB cmake configuration that we use.
conflicts("^cuda@11.0.2:11.2.2")
depends_on("cub", when="^cuda@:10.2.89")
def cmake_args(self):
cuda_arch = self.spec.variants["cuda_arch"].value
args = ["-DBUILD_TESTING=OFF", ("-DCMAKE_CUDA_ARCHITECTURES=%s" % cuda_arch)]
return args
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