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| author | Ludovic Courtès <ludo@gnu.org> | 2019-11-29 13:51:50 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2019-11-29 15:54:19 +0100 |
| commit | 68ac34e1209c8ba631aea119a2a547f267a88576 (patch) | |
| tree | 6fe4019a24002429632502eea72e9ef175cdc7d7 /gnu/packages/patches/openmpi-psm2-priority.patch | |
| parent | f02fc042a4eccdf51489bdd18db0f37d5628b92d (diff) | |
| download | guix-68ac34e1209c8ba631aea119a2a547f267a88576.tar.gz | |
gnu: openmpi: Increase priority of the PSM component.
* gnu/packages/patches/openmpi-psm2-priority.patch: Rename to... * gnu/packages/patches/openmpi-mtl-priorities.patch: ... this. Add hunk to change the priority of PSM. * gnu/packages/mpi.scm (openmpi)[source]: Adjust accordingly. * gnu/local.mk (dist_patch_DATA): Likewise.
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, - |