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# Copyright 2013-2018 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 Stream(MakefilePackage):
"""The STREAM benchmark is a simple synthetic benchmark program that
measures sustainable memory bandwidth (in MB/s) and the corresponding
computation rate for simple vector kernels."""
homepage = "https://www.cs.virginia.edu/stream/ref.html"
git = "https://github.com/jeffhammond/STREAM.git"
version('5.10')
variant('openmp', default=False, description='Build with OpenMP support')
def edit(self, spec, prefix):
makefile = FileFilter('Makefile')
# Use the Spack compiler wrappers
makefile.filter('CC = .*', 'CC = cc')
makefile.filter('FC = .*', 'FC = f77')
cflags = '-O2'
fflags = '-O2'
if '+openmp' in self.spec:
cflags += ' ' + self.compiler.openmp_flag
fflags += ' ' + self.compiler.openmp_flag
# Set the appropriate flags for this compiler
makefile.filter('CFLAGS = .*', 'CFLAGS = {0}'.format(cflags))
makefile.filter('FFLAGS = .*', 'FFLAGS = {0}'.format(fflags))
def install(self, spec, prefix):
# Manual installation
mkdir(prefix.bin)
install('stream_c.exe', prefix.bin)
install('stream_f.exe', prefix.bin)
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