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from spack import *
import os
from spack.pkg.builtin.intel import IntelInstaller
class Mkl(IntelInstaller):
"""Intel Math Kernel Library.
Note: You will have to add the download file to a
mirror so that Spack can find it. For instructions on how to set up a
mirror, see http://spack.readthedocs.io/en/latest/mirrors.html.
To set the threading layer at run time set MKL_THREADING_LAYER
variable to one of the following values: INTEL (default), SEQUENTIAL, PGI.
To set interface layer at run time, use set the MKL_INTERFACE_LAYER
variable to LP64 (default) or ILP64.
"""
homepage = "https://software.intel.com/en-us/intel-mkl"
version('11.3.2.181', '536dbd82896d6facc16de8f961d17d65',
url="file://%s/l_mkl_11.3.2.181.tgz" % os.getcwd())
version('11.3.3.210', 'f72546df27f5ebb0941b5d21fd804e34',
url="file://%s/l_mkl_11.3.3.210.tgz" % os.getcwd())
variant('shared', default=True, description='Builds shared library')
variant('ilp64', default=False, description='64 bit integers')
variant('openmp', default=False, description='OpenMP multithreading layer')
# virtual dependency
provides('blas')
provides('lapack')
# TODO: MKL also provides implementation of Scalapack.
@property
def blas_libs(self):
shared = True if '+shared' in self.spec else False
suffix = dso_suffix if '+shared' in self.spec else 'a'
mkl_integer = ['libmkl_intel_ilp64'] if '+ilp64' in self.spec else ['libmkl_intel_lp64'] # NOQA: ignore=E501
mkl_threading = ['libmkl_sequential']
if '+openmp' in self.spec:
mkl_threading = ['libmkl_intel_thread', 'libiomp5'] if '%intel' in self.spec else ['libmkl_gnu_thread'] # NOQA: ignore=E501
# TODO: TBB threading: ['libmkl_tbb_thread', 'libtbb', 'libstdc++']
mkl_libs = find_libraries(
mkl_integer + ['libmkl_core'] + mkl_threading,
root=join_path(self.prefix.lib, 'intel64'),
shared=shared
)
system_libs = [
'libpthread.{0}'.format(suffix),
'libm.{0}'.format(suffix),
'libdl.{0}'.format(suffix)
]
return mkl_libs + system_libs
@property
def lapack_libs(self):
return self.blas_libs
def install(self, spec, prefix):
self.intel_prefix = os.path.join(prefix, "pkg")
IntelInstaller.install(self, spec, prefix)
mkl_dir = os.path.join(self.intel_prefix, "mkl")
for f in os.listdir(mkl_dir):
os.symlink(os.path.join(mkl_dir, f), os.path.join(self.prefix, f))
def setup_dependent_environment(self, spack_env, run_env, dependent_spec):
# set up MKLROOT for everyone using MKL package
spack_env.set('MKLROOT', self.prefix)
def setup_environment(self, spack_env, env):
env.set('MKLROOT', self.prefix)
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