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# Copyright 2013-2021 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)
import platform
from spack import *
class Lcals(MakefilePackage):
"""LCALS ("Livermore Compiler Analysis Loop Suite") is a collection of loop
kernels based, in part, on historical "Livermore Loops" benchmarks
(See the 1986 technical report: "The Livermore Fortran Kernels:
A Computer Test of the Numerical Performance Range",
by Frank H. McMahon, UCRL-53745.). The suite contains facilities to
generate timing statistics and reports."""
homepage = "https://computing.llnl.gov/projects/co-design/lcals"
url = "https://computing.llnl.gov/projects/co-design/download/lcals-v1.0.2.tgz"
tags = ['proxy-app']
version('1.0.2', sha256='a146590f7c1e9a9311ccf74dc0bef1fb19d77429db35a33c6725529fb1b0327e')
variant(
'microarch',
description='Micro arch: SSE, AVX, MIC.',
default='sse',
values=('sse', 'avx', 'MIC'),
)
@property
def build_targets(self):
targets = []
cxxflags = '-std=c++0x '
cxx_compile = ''
microarch = self.spec.variants['microarch'].value
arch = platform.machine()
if microarch == 'MIC':
arch = 'MIC'
elif arch == 'x86_64' or arch == 'x86_32':
arch = 'x86'
elif arch == 'aarch64':
arch = 'aarch64'
else:
raise InstallError('unknown architecture.')
if self.compiler.name == 'intel':
if arch == 'MIC':
cxxflags += '-DLCALS_PLATFORM_X86_SSE -DLCALS_COMPILER_ICC '
cxx_compile += '-g -O3 -mmic -vec-report3 '
' -inline-max-total-size=10000 -inline-forceinline -ansi-alias'
elif microarch == 'sse' and arch == 'x86':
cxxflags += '-DLCALS_PLATFORM_X86_SSE -DLCALS_COMPILER_ICC '
cxx_compile += '-O3 -msse4.1 -inline-max-total-size=10000'
' -inline-forceinline -ansi-alias -std=c++0x '
elif microarch == 'avx' and arch == 'x86':
cxxflags += '-DLCALS_PLATFORM_X86_AVX -DLCALS_COMPILER_ICC '
cxx_compile += '-O3 -mavx -inline-max-total-size=10000'
' -inline-forceinline -ansi-alias -std=c++0x'
cxxflags += self.compiler.openmp_flag
elif self.compiler.name == 'gcc':
if arch == 'MIC' or (microarch == 'sse' and arch == 'x86'):
cxxflags += '-DLCALS_PLATFORM_X86_SSE -DLCALS_COMPILER_GNU '
cxx_compile += '-Ofast -msse4.1 -finline-functions'
' -finline-limit=10000 -std=c++11 '
elif microarch == 'avx' and arch == 'x86':
cxxflags += '-DLCALS_PLATFORM_X86_AVX -DLCALS_COMPILER_GNU '
cxx_compile += '-Ofast -mavx -finline-functions'
' -finline-limit=10000 -std=c++11'
elif arch == 'aarch64':
cxxflags += '-DLCALS_COMPILER_GNU '
cxx_compile += '-Ofast -finline-functions'
' -finline-limit=10000 -std=c++11'
cxxflags += self.compiler.openmp_flag
targets.append('LCALS_ARCH=')
cxx_compile += ' ' + cxxflags
targets.append('CXX_COMPILE={0} {1}'.format(spack_cxx, cxx_compile))
return targets
def install(self, spec, prefix):
mkdir(prefix.bin)
install('lcals.exe', prefix.bin)
install('lcalsversioninfo.txt', prefix)
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