diff options
Diffstat (limited to 'gnu/packages/patches/openmpi-psm2-priority.patch')
| -rw-r--r-- | gnu/packages/patches/openmpi-psm2-priority.patch | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/gnu/packages/patches/openmpi-psm2-priority.patch b/gnu/packages/patches/openmpi-psm2-priority.patch deleted file mode 100644 index d9dd558010..0000000000 --- a/gnu/packages/patches/openmpi-psm2-priority.patch +++ /dev/null @@ -1,21 +0,0 @@ -PSM2 is the only valid implementation for OmniPath (OPA). UCX also -supports OmniPath, but it does so via Verbs, thus getting much lower -performance (typically 3 GiB/s instead of 10 GiB/s). - -To work around that, give the mtl_psm2 component a higher priority -than the pml_ucx component. - -See <https://www.mail-archive.com/users@lists.open-mpi.org/msg33581.html>. - ---- openmpi-4.0.2/ompi/mca/mtl/psm2/mtl_psm2_component.c 2019-11-15 17:06:15.142076840 +0100 -+++ openmpi-4.0.2/ompi/mca/mtl/psm2/mtl_psm2_component.c 2019-11-15 17:06:22.242009379 +0100 -@@ -126,7 +126,7 @@ ompi_mtl_psm2_component_register(void) - setenv("PSM2_DEVICES", "self,shm", 0); - } - -- param_priority = 40; -+ param_priority = 55; - (void) mca_base_component_var_register (&mca_mtl_psm2_component.super.mtl_version, - "priority", "Priority of the PSM2 MTL component", - MCA_BASE_VAR_TYPE_INT, NULL, 0, 0, - |