hlrs-software-stack/spack
7
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

mpich: add variant to enable per VCI critical sections (#27840)

Browse source
This commit is contained in:
Hervé Yviquel 2022-04-25 12:31:13 -03:00 committed by GitHub
parent 2a8a0aa156
commit c1ed51e767
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
var/spack/repos/builtin/packages/mpich/package.py
View file

@ -94,6 +94,13 @@ class Mpich(AutotoolsPackage, CudaPackage):
'-Wl,-flat_namespace'.''' '-Wl,-flat_namespace'.'''
) )
variant('vci', default=False, when='@4: device=ch4',
description='Enable multiple VCI (virtual communication '
'interface) critical sections to improve performance '
'of applications that do heavy concurrent MPI'
'communications. Set MPIR_CVAR_CH4_NUM_VCIS=<N> to '
'enable multiple vcis at runtime.')
# Todo: cuda can be a conditional variant, but it does not seem to work when # Todo: cuda can be a conditional variant, but it does not seem to work when
# overriding the variant from CudaPackage. # overriding the variant from CudaPackage.
conflicts('+cuda', when='@:3.3') conflicts('+cuda', when='@:3.3')
@ -517,6 +524,10 @@ def configure_args(self):
if '+two_level_namespace' in spec: if '+two_level_namespace' in spec:
config_args.append('--enable-two-level-namespace') config_args.append('--enable-two-level-namespace')
if '+vci' in spec:
config_args.append('--enable-thread-cs=per-vci')
config_args.append('--with-ch4-max-vcis=default')
return config_args return config_args
@run_after('install') @run_after('install')