diff options
| author | Phil Carns <carns@mcs.anl.gov> | 2019-02-04 19:51:04 -0600 |
|---|---|---|
| committer | Peter Scheibel <scheibel1@llnl.gov> | 2019-02-04 19:51:04 -0600 |
| commit | de91d0badcf95a4280fa8dcacbed425a8b338ca3 (patch) | |
| tree | 0b99d958c3a852a57f6a2de011f91824ac838dbd | |
| parent | c7ecb66a2f17519d20fd5cbd61b8c0eef5b0783c (diff) | |
| download | spack-de91d0badcf95a4280fa8dcacbed425a8b338ca3.tar.gz spack-de91d0badcf95a4280fa8dcacbed425a8b338ca3.tar.bz2 spack-de91d0badcf95a4280fa8dcacbed425a8b338ca3.tar.xz spack-de91d0badcf95a4280fa8dcacbed425a8b338ca3.zip | |
mercury package: add 'udreg' variant (#10415)
Faster and/or more robust in some cases on Cray platforms
| -rw-r--r-- | var/spack/repos/builtin/packages/mercury/package.py | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/var/spack/repos/builtin/packages/mercury/package.py b/var/spack/repos/builtin/packages/mercury/package.py index a2a65a4a46..23e8695ee1 100644 --- a/var/spack/repos/builtin/packages/mercury/package.py +++ b/var/spack/repos/builtin/packages/mercury/package.py @@ -22,6 +22,11 @@ class Mercury(CMakePackage): variant('selfforward', default=True, description='Mercury will short-circuit operations' + ' by forwarding to itself when possible') +# NOTE: the 'udreg' variant requires that the MPICH_GNI_NDREG_ENTRIES=1024 +# environment variable be set at run time to avoid conflicts with +# Cray-MPICH if libfabric and MPI are used at the same time + variant('udreg', default=False, + description='Enable udreg on supported Cray platforms') depends_on('cci@master', when='+cci', type=('build', 'link', 'run')) depends_on('libfabric', when='+fabric', type=('build', 'link', 'run')) @@ -52,4 +57,9 @@ class Mercury(CMakePackage): else: args.extend(['-DMERCURY_USE_SELF_FORWARD=OFF']) + if (self.spec.variants['udreg'].value): + args.extend(['-DNA_OFI_GNI_USE_UDREG=ON']) + else: + args.extend(['-DNA_OFI_GNI_USE_UDREG=OFF']) + return args |