These two macros set the MCA prefix and MCA cmd line id,
respectively. Specifically, MCA parameters will be named
PREFIX<foo> in the environment, and the cmd line will use
-ID foo bar.
These macros must be called during configure.ac and a value
supplied. In the case of Open MPI, the values given are
PREFIX=OMPI_MCA_ and ID=mca.
Other projects (such as ORCM) will call these macros with
their own unique values. For example, ORCM uses PREFIX=ORCM_MCA_
and ID=omca
This scheme is necessary to allow running Open MPI applications under
systems that use their own versions of ORTE and OPAL. For example,
when running OMPI applications under ORCM, we need the MCA params passed
to the ORCM daemons to be separated from those recognized by the OMPI application.
These two macros set the prefix for the OPAL and ORTE libraries,
respectively. Specifically, the OPAL library will be named
libPREFIXopen-pal.la and the ORTE library will be named
libPREFIXopen-rte.la.
These macros must be called, even if the prefix argument is empty.
The intent is that Open MPI will call these macros with an empty
prefix, but other projects (such as ORCM) will call these macros with
a non-empty prefix. For example, ORCM libraries can be named
liborcm-open-pal.la and liborcm-open-rte.la.
This scheme is necessary to allow running Open MPI applications under
systems that use their own versions of ORTE and OPAL. For example,
when running MPI applications under ORTE, if the ORTE and OPAL
libraries between OMPI and ORCM are not identical (which, because they
are released at different times, are likely to be different), we need
to ensure that the OMPI applications link against their ORTE and OPAL
libraries, but the ORCM executables link against their ORTE and OPAL
libraries.
the OPAL and ORTE libraries. This is required by projects such as ORCM
that have their own ORTE and OPAL libraries in order to avoid library
confusion. By renaming their version of the libraries, the OMPI
applications can correctly dynamically load the correct one for their
build."
This reverts commit 63f619f871.
* redefine orte_process_name_t so it can be converted
between host and network format as an opal_identifier_t
aka uint64_t by the OPAL layer.
* correctly send OPAL_DSTORE_ARCH key
Properly setup the opal_process_info structure early in the initialization procedure. Define the local hostname right at the beginning of opal_init so all parts of opal can use it. Overlay that during orte_init as the user may choose to remove fqdn and strip prefixes during that time. Setup the job_session_dir and other such info immediately when it becomes available during orte_init.
The alps ess component is obsolete. It relies on header
files only present in very old CLE (Cray Linux) 3.X for
the Cray XT series. As support for these systems is being
dropped starting with release 1.9, this code is being removed.
Update the VERSION file scheme:
* Remove "want_repo_rev".
* Add "tarball_version".
All values are now always included (major, minor, release, greek,
repo_rev). However, configure.ac now runs "opal_get_version.sh
... --tarball", which will return the value of tarball_version (if it
is non-empty) or the "full" version string (i.e.,
"major.minor.releasegreek").
It turns out that the alps plm code was developed only
on cray systems that were running batch schedulers.
However, for bring up and development systems, its not
at all uncommon for there to be no batch scheduler, and
thus to orte it appears that orte_num_allocated_nodes
is always zero. This forces a user using mpirun on such
a system to always specify a host list:
mpirun -n 4 -N 1 -host 32,45,68 ....
just to get the job to run, but then since the -L argument for aprun
is never built, the app always runs on the first batch of nodes that
aprun finds available.
When using the native aprun launcher, it was observed that
there were frequent memory corruption errors occuring either
during a PMI kvs-fence operation, or at mpi termation during
opal cleanup of allocated objects. This was especially bad
when using
aprun --c none
In some cases, the application would even just hang in finalize
if using ptmalloc, owing to some kind of infinite loop in
cleanup of small blocks, etc.
It turns out that the proble was in orte_ess_base_proc_binding's
improper use of opal_hwloc_base_get_available_cpus. The cpuset
(bitmap) returned from that function is not meant to be freed
by the caller.
This problem is likely never observed when using the mpirun launcher
as there's an early exit if the OMPI_MCA_orte_bound_at_launch
environment variable is set.
This commit was SVN r32809.
Mimick the btl/tcp protocol to solve the race condition that happens
when two peers try to connect to each other at the same time
cmr=v1.8.4:reviewer=rhc
This commit was SVN r32799.
during RTE abort as that is happening in a thread, and (at least in some
environments) doesn't result in the main thread being immediately
terminated. Instead, we wind up going thru orte_finalize in the main
thread, which isn't what we want.
So replace the call to "exit" with the "quick exit" variant "_exit", which
causes the entire process to exit immediately.
(custom patch has been posted for 1.8.3)
This commit was SVN r32780.
The ess pmi module was not handling aprun launched
daemons. All daemons were thinking they were vpid 1.
Also, turns out that on cray systems using MOM nodes
for launched jobs, just detecting whether or not a
process is in a PAGG container is not sufficient.
Crank up the priority of the alps PLM component in the
event that the configure detected the presence of both
slurm and alps.
Have the ESS pmi component open the pmix framework and
select a pmix component.
This commit was SVN r32773.
"NULL" doesn't meany anything to the user, and is somewhat confusing
to see in an error message. "<unknown>" at least indicates that
there's an error, and we know who the peer is.
This commit was SVN r32747.
Replace our old, clunky timing setup with a much nicer one that is only available if configured with --enable-timing. Add a tool for profiling clock differences between the nodes so you can get more precise timing measurements. I'll ask Artem to update the Github wiki with full instructions on how to use this setup.
This commit was SVN r32738.
Trivial fix from r32686: don't output to stream 0, but rather to
orte_plm_base_framework.framework_output (this is the way it was
before r32686). In reality, this is going to end up being stream 0,
anyway, but we might as well be pedantically correct...
Refs trac:4897.
This commit was SVN r32726.
The following SVN revision numbers were found above:
r32686 --> open-mpi/ompi@4df1aa63f7
The following Trac tickets were found above:
Ticket 4897 --> https://svn.open-mpi.org/trac/ompi/ticket/4897
