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# Copyright 2013-2019 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.architecture import Platform, Target
from spack.operating_systems.linux_distro import LinuxDistro
from spack.operating_systems.cnk import Cnk
class Bgq(Platform):
priority = 30
front_end = 'power7'
back_end = 'ppc64'
default = 'ppc64'
def __init__(self):
''' IBM Blue Gene/Q system platform.'''
super(Bgq, self).__init__('bgq')
self.add_target(self.front_end, Target(self.front_end))
self.add_target(self.back_end, Target(self.back_end))
front_distro = LinuxDistro()
back_distro = Cnk()
self.front_os = str(front_distro)
self.back_os = str(back_distro)
self.default_os = self.back_os
self.add_operating_system(str(front_distro), front_distro)
self.add_operating_system(str(back_distro), back_distro)
@classmethod
def detect(cls):
return os.path.exists('/bgsys')
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