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Add variant to mvapich2 to set size of rank bits (#3886)

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Adam J. Stewart 2017-04-19 23:31:21 -05:00 committed by Todd Gamblin
parent 186d1f4511
commit 9bd6d21322
1 changed files with 7 additions and 0 deletions
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7
var/spack/repos/builtin/packages/mvapich2/package.py
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@ -58,6 +58,11 @@ class Mvapich2(Package):
variant('threads', default='multiple', variant('threads', default='multiple',
description='Control the level of thread support') description='Control the level of thread support')
# 32 is needed when job size exceeds 32768 cores
variant('ch3_rank_bits', default=32,
description='Number of bits allocated to the rank field (16 or 32)'
)
########## ##########
# TODO : Process managers should be grouped into the same variant, # TODO : Process managers should be grouped into the same variant,
# as soon as variant capabilities will be extended See # as soon as variant capabilities will be extended See
@ -262,6 +267,8 @@ def install(self, spec, prefix):
"--enable-romio", "--enable-romio",
"--disable-silent-rules", "--disable-silent-rules",
"--enable-threads={0}".format(spec.variants['threads'].value), "--enable-threads={0}".format(spec.variants['threads'].value),
"--with-ch3-rank-bits={0}".format(
spec.variants['ch3_rank_bits'].value),
] ]
if self.compiler.f77 and self.compiler.fc: if self.compiler.f77 and self.compiler.fc: