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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)
import os
from spack import *
from spack.package_test import compare_output_file, compile_c_and_execute
import spack.architecture
class Openblas(MakefilePackage):
"""OpenBLAS: An optimized BLAS library"""
homepage = 'http://www.openblas.net'
url = 'http://github.com/xianyi/OpenBLAS/archive/v0.2.19.tar.gz'
git = 'https://github.com/xianyi/OpenBLAS.git'
version('develop', branch='develop')
version('0.3.3', sha256='49d88f4494ae780e3d7fa51769c00d982d7cdb73e696054ac3baa81d42f13bab')
version('0.3.2', sha256='e8ba64f6b103c511ae13736100347deb7121ba9b41ba82052b1a018a65c0cb15')
version('0.3.1', sha256='1f5e956f35f3acdd3c74516e955d797a320c2e0135e31d838cbdb3ea94d0eb33')
version('0.3.0', '42cde2c1059a8a12227f1e6551c8dbd2')
version('0.2.20', '48637eb29f5b492b91459175dcc574b1')
version('0.2.19', '28c998054fd377279741c6f0b9ea7941')
version('0.2.18', '805e7f660877d588ea7e3792cda2ee65')
version('0.2.17', '664a12807f2a2a7cda4781e3ab2ae0e1')
version('0.2.16', 'fef46ab92463bdbb1479dcec594ef6dc')
version('0.2.15', 'b1190f3d3471685f17cfd1ec1d252ac9')
variant(
'shared',
default=True,
description='Build shared libraries as well as static libs.'
)
variant('ilp64', default=False, description='64 bit integers')
variant('pic', default=True, description='Build position independent code')
variant('cpu_target', default='',
description='Set CPU target architecture (leave empty for '
'autodetection; GENERIC, SSE_GENERIC, NEHALEM, ...)')
variant(
'threads', default='none',
description='Multithreading support',
values=('pthreads', 'openmp', 'none'),
multi=False
)
variant(
'virtual_machine',
default=False,
description="Adding options to build openblas on Linux virtual machine"
)
# virtual dependency
provides('blas')
provides('lapack')
patch('make.patch', when='@0.2.16:')
# This patch is in a pull request to OpenBLAS that has not been handled
# https://github.com/xianyi/OpenBLAS/pull/915
# UPD: the patch has been merged starting version 0.2.20
patch('openblas_icc.patch', when='@:0.2.19%intel')
patch('openblas_icc_openmp.patch', when='@:0.2.20%intel@16.0:')
patch('openblas_icc_fortran.patch', when='%intel@16.0:')
patch('openblas_icc_fortran2.patch', when='%intel@18.0:')
# Fixes compilation error on POWER8 with GCC 7
# https://github.com/xianyi/OpenBLAS/pull/1098
patch('power8.patch', when='@0.2.18:0.2.19 %gcc@7.1.0: target=ppc64')
# Change file comments to work around clang 3.9 assembler bug
# https://github.com/xianyi/OpenBLAS/pull/982
patch('openblas0.2.19.diff', when='@0.2.19')
# Fix CMake export symbol error
# https://github.com/xianyi/OpenBLAS/pull/1703
patch('openblas-0.3.2-cmake.patch', when='@0.3.1:0.3.2')
# Disable experimental TLS code that lead to many threading issues
# https://github.com/xianyi/OpenBLAS/issues/1735#issuecomment-422954465
# https://github.com/xianyi/OpenBLAS/issues/1761#issuecomment-421039174
# https://github.com/xianyi/OpenBLAS/pull/1765
patch('https://github.com/xianyi/OpenBLAS/commit/4d183e5567346f80f2ef97eb98f8601c47f8cb56.patch',
sha256='714aea33692304a50bd0ccde42590c176c82ded4a8ac7f06e573dc8071929c33',
when='@0.3.3')
parallel = False
conflicts('%intel@16', when='@0.2.15:0.2.19')
@run_before('edit')
def check_compilers(self):
# As of 06/2016 there is no mechanism to specify that packages which
# depends on Blas/Lapack need C or/and Fortran symbols. For now
# require both.
if self.compiler.fc is None:
raise InstallError(
'OpenBLAS requires both C and Fortran compilers!'
)
# Add support for OpenMP
if (self.spec.satisfies('threads=openmp') and
self.spec.satisfies('%clang')):
if str(self.spec.compiler.version).endswith('-apple'):
raise InstallError("Apple's clang does not support OpenMP")
if '@:0.2.19' in self.spec:
# Openblas (as of 0.2.19) hardcoded that OpenMP cannot
# be used with any (!) compiler named clang, bummer.
raise InstallError(
'OpenBLAS @:0.2.19 does not support OpenMP with clang!'
)
@property
def make_defs(self):
# Configure fails to pick up fortran from FC=/abs/path/to/fc, but
# works fine with FC=/abs/path/to/gfortran.
# When mixing compilers make sure that
# $SPACK_ROOT/lib/spack/env/<compiler> have symlinks with reasonable
# names and hack them inside lib/spack/spack/compilers/<compiler>.py
make_defs = [
'CC={0}'.format(spack_cc),
'FC={0}'.format(spack_fc),
'MAKE_NO_J=1'
]
if self.spec.variants['virtual_machine'].value:
make_defs += [
'DYNAMIC_ARCH=1',
'NO_AVX2=1'
]
if self.spec.variants['cpu_target'].value:
make_defs += [
'TARGET={0}'.format(self.spec.variants['cpu_target'].value)
]
# invoke make with the correct TARGET for aarch64
elif 'aarch64' in spack.architecture.sys_type():
make_defs += [
'TARGET=PILEDRIVER',
'TARGET=ARMV8'
]
if self.spec.satisfies('%gcc@:4.8.4'):
make_defs += ['NO_AVX2=1']
if '~shared' in self.spec:
if '+pic' in self.spec:
make_defs.extend([
'CFLAGS={0}'.format(self.compiler.pic_flag),
'FFLAGS={0}'.format(self.compiler.pic_flag)
])
make_defs += ['NO_SHARED=1']
# fix missing _dggsvd_ and _sggsvd_
if self.spec.satisfies('@0.2.16'):
make_defs += ['BUILD_LAPACK_DEPRECATED=1']
# Add support for multithreading
if self.spec.satisfies('threads=openmp'):
make_defs += ['USE_OPENMP=1', 'USE_THREAD=1']
elif self.spec.satisfies('threads=pthreads'):
make_defs += ['USE_OPENMP=0', 'USE_THREAD=1']
else:
make_defs += ['USE_OPENMP=0', 'USE_THREAD=0']
# 64bit ints
if '+ilp64' in self.spec:
make_defs += ['INTERFACE64=1']
return make_defs
@property
def build_targets(self):
targets = ['libs', 'netlib']
# Build shared if variant is set.
if '+shared' in self.spec:
targets += ['shared']
return self.make_defs + targets
@run_after('build')
@on_package_attributes(run_tests=True)
def check_build(self):
make('tests', *self.make_defs)
@property
def install_targets(self):
make_args = [
'install',
'PREFIX={0}'.format(self.prefix),
]
return make_args + self.make_defs
@run_after('install')
@on_package_attributes(run_tests=True)
def check_install(self):
spec = self.spec
# Openblas may pass its own test but still fail to compile Lapack
# symbols. To make sure we get working Blas and Lapack, do a small
# test.
source_file = join_path(os.path.dirname(self.module.__file__),
'test_cblas_dgemm.c')
blessed_file = join_path(os.path.dirname(self.module.__file__),
'test_cblas_dgemm.output')
include_flags = spec['openblas'].headers.cpp_flags
link_flags = spec['openblas'].libs.ld_flags
if self.compiler.name == 'intel':
link_flags += ' -lifcore'
if self.spec.satisfies('threads=pthreads'):
link_flags += ' -lpthread'
if spec.satisfies('threads=openmp'):
link_flags += ' -lpthread ' + self.compiler.openmp_flag
output = compile_c_and_execute(
source_file, [include_flags], link_flags.split()
)
compare_output_file(output, blessed_file)
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