From 8be14b9b07ac4740224cd6923ecd287b0462a35f Mon Sep 17 00:00:00 2001 From: Jeff Squyres Date: Thu, 8 Nov 2018 14:21:47 -0800 Subject: [PATCH] orte-rmaps-base: slightly amend help message Follow on to 430c659908: clarify the help message and fix one typo. Signed-off-by: Jeff Squyres (cherry picked from commit e9bf318dcb2f337267211f37e6d59c9f8bf5d8be) --- orte/mca/rmaps/base/help-orte-rmaps-base.txt | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/orte/mca/rmaps/base/help-orte-rmaps-base.txt b/orte/mca/rmaps/base/help-orte-rmaps-base.txt index db28a746cc..0d4724aeec 100644 --- a/orte/mca/rmaps/base/help-orte-rmaps-base.txt +++ b/orte/mca/rmaps/base/help-orte-rmaps-base.txt @@ -37,12 +37,11 @@ environment in which Open MPI processes are run: 1. Hostfile, via "slots=N" clauses (N defaults to number of processor cores if not provided) - 2. The --host:N command line parameter (N defaults to 1 if not - provided) + 2. The --host command line parameter, via a ":N" suffix on the + hostname (N defaults to 1 if not provided) 3. Resource manager (e.g., SLURM, PBS/Torque, LSF, etc.) - 4. If neither a hostfile, the --hosts command line parameter, nor an - RM is present, Open MPI defaults to the number of processor - cores + 4. If none of a hostfile, the --host command line parameter, or an + RM is present, Open MPI defaults to the number of processor cores In all the above cases, if you want Open MPI to default to the number of hardware threads instead of the number of processor cores, use the