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Merge pull request #1083 from boegel/FFTW
add custom easyblock for FFTW (REVIEW)
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## | ||
# Copyright 2009-2017 Ghent University | ||
# | ||
# This file is part of EasyBuild, | ||
# originally created by the HPC team of Ghent University (http://ugent.be/hpc/en), | ||
# with support of Ghent University (http://ugent.be/hpc), | ||
# the Flemish Supercomputer Centre (VSC) (https://www.vscentrum.be), | ||
# Flemish Research Foundation (FWO) (http://www.fwo.be/en) | ||
# and the Department of Economy, Science and Innovation (EWI) (http://www.ewi-vlaanderen.be/en). | ||
# | ||
# http://github.com/hpcugent/easybuild | ||
# | ||
# EasyBuild is free software: you can redistribute it and/or modify | ||
# it under the terms of the GNU General Public License as published by | ||
# the Free Software Foundation v2. | ||
# | ||
# EasyBuild is distributed in the hope that it will be useful, | ||
# but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
# GNU General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU General Public License | ||
# along with EasyBuild. If not, see <http://www.gnu.org/licenses/>. | ||
## | ||
""" | ||
EasyBuild support for building and installing FFTW, implemented as an easyblock | ||
@author: Kenneth Hoste (HPC-UGent) | ||
""" | ||
from vsc.utils.missing import nub | ||
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from easybuild.easyblocks.generic.configuremake import ConfigureMake | ||
from easybuild.framework.easyconfig import CUSTOM | ||
from easybuild.tools.config import build_option | ||
from easybuild.tools.systemtools import AARCH64, X86_64, get_cpu_architecture, get_cpu_features | ||
from easybuild.tools.toolchain.compiler import OPTARCH_GENERIC | ||
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# AVX*, FMA, SSE2 (x86_64 only) | ||
FFTW_CPU_FEATURE_FLAGS_SINGLE_DOUBLE = ['avx', 'avx2', 'avx512', 'fma', 'sse2', 'vsx'] | ||
# Altivec (POWER), SSE (x86), NEON (ARM), FMA (x86_64) | ||
# asimd is CPU feature for extended NEON on AARCH64 | ||
FFTW_CPU_FEATURE_FLAGS = FFTW_CPU_FEATURE_FLAGS_SINGLE_DOUBLE + ['altivec', 'asimd', 'neon', 'sse'] | ||
FFTW_PRECISION_FLAGS = ['single', 'double', 'long-double', 'quad-precision'] | ||
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class EB_FFTW(ConfigureMake): | ||
"""Support for building/installing FFTW.""" | ||
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@staticmethod | ||
def _prec_param(prec): | ||
"""Determine parameter name for specified precision""" | ||
return 'with_%s_prec' % prec.replace('-', '_').replace('_precision', '') | ||
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@staticmethod | ||
def extra_options(): | ||
"""Custom easyconfig parameters for FFTW.""" | ||
extra_vars = { | ||
'auto_detect_cpu_features': [True, "Auto-detect available CPU features, and configure accordingly", CUSTOM], | ||
'with_mpi': [True, "Enable building of FFTW MPI library", CUSTOM], | ||
'with_openmp': [True, "Enable building of FFTW OpenMP library", CUSTOM], | ||
'with_threads': [True, "Enable building of FFTW threads library", CUSTOM], | ||
} | ||
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for flag in FFTW_CPU_FEATURE_FLAGS: | ||
help_msg = "Configure with --enable-%s (if None, auto-detect support for %s)" % (flag, flag.upper()) | ||
extra_vars['use_%s' % flag] = [None, help_msg, CUSTOM] | ||
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for prec in FFTW_PRECISION_FLAGS: | ||
help_msg = "Enable building of %s precision library" % prec.replace('-precision', '') | ||
extra_vars[EB_FFTW._prec_param(prec)] = [True, help_msg, CUSTOM] | ||
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return ConfigureMake.extra_options(extra_vars) | ||
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def __init__(self, *args, **kwargs): | ||
"""Initialisation of custom class variables for FFTW.""" | ||
super(EB_FFTW, self).__init__(*args, **kwargs) | ||
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for flag in FFTW_CPU_FEATURE_FLAGS: | ||
# fail-safe: make sure we're not overwriting an existing attribute (could lead to weird bugs if we do) | ||
if hasattr(self, flag): | ||
raise EasyBuildError("EasyBlock attribute '%s' already exists") | ||
setattr(self, flag, self.cfg['use_%s' % flag]) | ||
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# auto-detect CPU features that can be used and are not enabled/disabled explicitly, | ||
# but only if --optarch=GENERIC is not being used | ||
if self.cfg['auto_detect_cpu_features']: | ||
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# if --optarch=GENERIC is used, limit which CPU features we consider for auto-detection | ||
if build_option('optarch') == OPTARCH_GENERIC: | ||
cpu_arch = get_cpu_architecture() | ||
if cpu_arch == X86_64: | ||
# SSE(2) is supported on all x86_64 architectures | ||
cpu_features = ['sse', 'sse2'] | ||
elif cpu_arch == AARCH64: | ||
# NEON is supported on all AARCH64 architectures (indicated with 'asimd') | ||
cpu_features = ['asimd'] | ||
else: | ||
cpu_features = [] | ||
else: | ||
cpu_features = FFTW_CPU_FEATURE_FLAGS | ||
self.log.info("CPU features considered for auto-detection: %s", cpu_features) | ||
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# get list of available CPU features, so we can check which ones to retain | ||
avail_cpu_features = get_cpu_features() | ||
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# on macOS, AVX is indicated with 'avx1.0' rather than 'avx' | ||
if 'avx1.0' in avail_cpu_features: | ||
avail_cpu_features.append('avx') | ||
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self.log.info("List of available CPU features: %s", avail_cpu_features) | ||
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for flag in cpu_features: | ||
# only enable use of a particular CPU feature if it's still undecided (i.e. None) | ||
if getattr(self, flag) is None and flag in avail_cpu_features: | ||
self.log.info("Enabling use of %s (should be supported based on CPU features)", flag.upper()) | ||
setattr(self, flag, True) | ||
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def run_all_steps(self, *args, **kwargs): | ||
""" | ||
Put configure options in place for different precisions (single, double, long double, quad). | ||
""" | ||
# keep track of configopts specified in easyconfig file, so we can include them in each iteration later | ||
common_config_opts = self.cfg['configopts'] | ||
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self.cfg['configopts'] = [] | ||
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for prec in FFTW_PRECISION_FLAGS: | ||
if self.cfg[EB_FFTW._prec_param(prec)]: | ||
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prec_configopts = [] | ||
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# double precison is the default, no configure flag needed (there is no '--enable-double') | ||
if prec != 'double': | ||
prec_configopts.append('--enable-%s' % prec) | ||
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# MPI is not supported for quad precision | ||
if prec != 'quad-precision' and self.cfg['with_mpi']: | ||
prec_configopts.append('--enable-mpi') | ||
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if self.toolchain.options['pic']: | ||
prec_configopts.append('--with-pic') | ||
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for libtype in ['openmp', 'threads']: | ||
if self.cfg['with_%s' % libtype]: | ||
prec_configopts.append('--enable-%s' % libtype) | ||
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# SSE2, AVX* only supported for single/double precision | ||
if prec in ['single', 'double']: | ||
for flag in FFTW_CPU_FEATURE_FLAGS_SINGLE_DOUBLE: | ||
if getattr(self, flag): | ||
if flag == 'fma': | ||
prec_configopts.append('--enable-avx-128-fma') | ||
else: | ||
prec_configopts.append('--enable-%s' % flag) | ||
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# Altivec (POWER) and SSE only for single precision | ||
for flag in ['altivec', 'sse']: | ||
if prec == 'single' and getattr(self, flag): | ||
prec_configopts.append('--enable-%s' % flag) | ||
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# NEON (ARM) only for single precision and double precision (on AARCH64) | ||
if (prec == 'single' and (self.asimd or self.neon)) or (prec == 'double' and self.asimd): | ||
prec_configopts.append('--enable-neon') | ||
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# append additional configure options (may be empty string, but that's OK) | ||
self.cfg.update('configopts', [' '.join(prec_configopts) + common_config_opts]) | ||
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self.log.debug("List of configure options to iterate over: %s", self.cfg['configopts']) | ||
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return super(EB_FFTW, self).run_all_steps(*args, **kwargs) | ||
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def sanity_check_step(self): | ||
"""Custom sanity check for FFTW.""" | ||
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custom_paths = { | ||
'files': ['bin/fftw-wisdom-to-conf', 'include/fftw3.f', 'include/fftw3.h'], | ||
'dirs': ['lib/pkgconfig'], | ||
} | ||
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extra_files = [] | ||
for (prec, letter) in [('double', ''), ('long_double', 'l'), ('quad', 'q'), ('single', 'f')]: | ||
if self.cfg['with_%s_prec' % prec]: | ||
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# precision-specific binaries | ||
extra_files.append('bin/fftw%s-wisdom' % letter) | ||
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# precision-specific .f03 header files | ||
inc_f03 = 'include/fftw3%s.f03' % letter | ||
if prec == 'single': | ||
# no separate .f03 header file for single/double precision | ||
inc_f03 = 'include/fftw3.f03' | ||
extra_files.append(inc_f03) | ||
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# libraries, one for each precision and variant (if enabled) | ||
for variant in ['', 'mpi', 'openmp', 'threads']: | ||
if variant == 'openmp': | ||
suff = '_omp' | ||
elif variant == '': | ||
suff = '' | ||
else: | ||
suff = '_' + variant | ||
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# MPI is not compatible with quad precision | ||
if variant == '' or self.cfg['with_%s' % variant] and not (prec == 'quad' and variant == 'mpi'): | ||
extra_files.append('lib/libfftw3%s%s.a' % (letter, suff)) | ||
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# some additional files to check for when MPI is enabled | ||
if self.cfg['with_mpi']: | ||
extra_files.extend(['include/fftw3-mpi.f03', 'include/fftw3-mpi.h']) | ||
if self.cfg['with_long_double_prec']: | ||
extra_files.append('include/fftw3l-mpi.f03') | ||
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custom_paths['files'].extend(nub(extra_files)) | ||
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super(EB_FFTW, self).sanity_check_step(custom_paths=custom_paths) |