#
# Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
#                         University Research and Technology
#                         Corporation.  All rights reserved.
# Copyright (c) 2004-2005 The University of Tennessee and The University
#                         of Tennessee Research Foundation.  All rights
#                         reserved.
# Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
#                         University of Stuttgart.  All rights reserved.
# Copyright (c) 2004-2005 The Regents of the University of California.
#                         All rights reserved.
# Copyright (c) 2006      Cisco Systems, Inc.  All rights reserved.
# Copyright (c) 2011-2018 Los Alamos National Security, LLC. All rights
#                         reserved.
# $COPYRIGHT$
#
# Additional copyrights may follow
#
# $HEADER$
#

# This is the default system-wide MCA parameters defaults file.
# Specifically, the MCA parameter "mca_param_files" defaults to a
# value of
# "$HOME/.openmpi/mca-params.conf:$sysconf/openmpi-mca-params.conf"
# (this file is the latter of the two).  So if the default value of
# mca_param_files is not changed, this file is used to set system-wide
# MCA parameters.  This file can therefore be used to set system-wide
# default MCA parameters for all users.  Of course, users can override
# these values if they want, but this file is an excellent location
# for setting system-specific MCA parameters for those users who don't
# know / care enough to investigate the proper values for them.

# Note that this file is only applicable where it is visible (in a
# filesystem sense).  Specifically, MPI processes each read this file
# during their startup to determine what default values for MCA
# parameters should be used.  mpirun does not bundle up the values in
# this file from the node where it was run and send them to all nodes;
# the default value decisions are effectively distributed.  Hence,
# these values are only applicable on nodes that "see" this file.  If
# $sysconf is a directory on a local disk, it is likely that changes
# to this file will need to be propagated to other nodes.  If $sysconf
# is a directory that is shared via a networked filesystem, changes to
# this file will be visible to all nodes that share this $sysconf.

# The format is straightforward: one per line, mca_param_name =
# rvalue.  Quoting is ignored (so if you use quotes or escape
# characters, they'll be included as part of the value).  For example:

# Disable run-time MPI parameter checking
#   mpi_param_check = 0

# Note that the value "~/" will be expanded to the current user's home
# directory.  For example:

# Change component loading path
#   component_path = /usr/local/lib/openmpi:~/my_openmpi_components

# See "ompi_info --param all all" for a full listing of Open MPI MCA
# parameters available and their default values.
#

# Basic behavior to smooth startup
mca_base_component_show_load_errors = 0
opal_set_max_sys_limits = 1
orte_report_launch_progress = 1

# Define timeout for daemons to report back during launch
orte_startup_timeout = 10000

## Protect the shared file systems
orte_no_session_dirs = /lustre,/net,/users,/usr/projects
orte_tmpdir_base = /tmp

## Require an allocation to run - protects the frontend
## from inadvertent job executions
orte_allocation_required = 1

## Add the interface for out-of-band communication
## and set it up
oob_tcp_if_include = ib0,eth0
oob_tcp_peer_retries = 1000
oob_tcp_sndbuf = 32768
oob_tcp_rcvbuf = 32768

## Define the MPI interconnects
btl = ^openib

## Turn off osc rdma component. This is used in one-sided communication which
## isn't supported on psm2 and omnipath interconnects. If this option isn't
## used, a runtime error about btl's will result because we are turning off
## openib above. The current implementation of one-sided communication by-
## passes the loaded components and goes straight for btl's. Since one-sided
## communication doesn't really work on psm2 and omnipath, rather than turn
## openib back on, we're going to turn off some rdma capability.
osc = ^rdma

## Setup OpenIB - just in case
btl_openib_want_fork_support = 0
btl_openib_receive_queues = S,4096,1024:S,12288,512:S,65536,512

## Rank by core
rmaps_base_ranking_policy = core

## Setup MPI options
mpi_show_handle_leaks = 0
mpi_warn_on_fork = 1
#mpi_abort_print_stack = 0

## Run orted on parent node of allocation
ras_base_launch_orted_on_hn = true