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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)
import platform
from spack.package 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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