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Subject: [OMPI users] Using mtrace with openmpi segfaults
From: Jeffrey M Ceason (ceason_at_[hidden])
Date: 2007-12-03 18:23:53


Having trouble using mtrace with openmpi. Whenever I use the mtrace call
before or after MPI_Init the application terminates. This only seems to
happen using mpi. Is there a way to disable the open-mpi memory wrappers?
 Is there known issues with users applications using mallopts and the
mallopts used by open-mpi?

Machine is AMD64 Fedora Core 7
[ceason_at_n01-044-0 minib]$ uname -a
Linux n01-044-0 2.6.22-rr #1 SMP Fri Nov 16 15:28:53 CST 2007 x86_64
x86_64 x86_64 GNU/Linux
[ceason_at_n01-044-0 minib]$

Test source.
#include <stdio.h>
#include <sys/types.h>
#include <unistd.h>
#include <malloc.h>
#include <mcheck.h>
#include <mpi.h>
#include <iostream>

using namespace std;

int main (int argc,char * argv[]) {
    mtrace();
    MPI_Init(NULL,NULL);
 
   MPI_Finalize();
}

[ceason_at_n01-044-0 minib]$ mpiCC dacs_test.cc -o trace_test
[ceason_at_n01-044-0 minib]$ mpirun -np 1 trace_test
mpirun noticed that job rank 0 with PID 7078 on node n01-044-0 exited on
signal 8 (Floating point exception).
[ceason_at_n01-044-0 minib]$

backtrace of core

Core was generated by `trace_test'.
Program terminated with signal 8, Arithmetic exception.
#0 0x00002b33169d4abc in sYSTRIm () from /lib64/libc.so.6
(gdb) bt
#0 0x00002b33169d4abc in sYSTRIm () from /lib64/libc.so.6
#1 0x00002b33169d71c2 in _int_free () from /lib64/libc.so.6
#2 0x00002b33169dab1c in free () from /lib64/libc.so.6
#3 0x00002b33169dcee8 in tr_freehook () from /lib64/libc.so.6
#4 0x00002b33157674f3 in free () from
/usr/local/openmpi/lib64/libopen-pal.so.0
#5 0x00002b33169ceaf1 in vasprintf () from /lib64/libc.so.6
#6 0x00002b33169b3088 in asprintf () from /lib64/libc.so.6
#7 0x00002b3315760c7d in opal_output_init () from
/usr/local/openmpi/lib64/libopen-pal.so.0
#8 0x00002b3315760a2a in do_open () from
/usr/local/openmpi/lib64/libopen-pal.so.0
#9 0x00002b331575f958 in opal_malloc_init () from
/usr/local/openmpi/lib64/libopen-pal.so.0
#10 0x00002b331574ac27 in opal_init_util () from
/usr/local/openmpi/lib64/libopen-pal.so.0
#11 0x00002b331574ad06 in opal_init () from
/usr/local/openmpi/lib64/libopen-pal.so.0
#12 0x00002b3315283edf in ompi_mpi_init () from
/usr/local/openmpi/lib64/libmpi.so.0
#13 0x00002b33152a54f0 in PMPI_Init () from
/usr/local/openmpi/lib64/libmpi.so.0
#14 0x0000000000408397 in main ()
(gdb)

Shouldn't involve communications between machines but here is the IB Info.

[ceason_at_n01-044-0 minib]$ ibv_devinfo
hca_id: mlx4_0
        fw_ver: 2.2.000
        node_guid: 0002:c903:0000:17d0
        sys_image_guid: 0002:c903:0000:17d3
        vendor_id: 0x02c9
        vendor_part_id: 25418
        hw_ver: 0xA0
        board_id: MT_04A0110002
        phys_port_cnt: 2
                port: 1
                        state: PORT_ACTIVE (4)
                        max_mtu: 2048 (4)
                        active_mtu: 2048 (4)
                        sm_lid: 1
                        port_lid: 8
                        port_lmc: 0x00

                port: 2
                        state: PORT_DOWN (1)
                        max_mtu: 2048 (4)
                        active_mtu: 2048 (4)
                        sm_lid: 0
                        port_lid: 0
                        port_lmc: 0x00

[ceason_at_n01-044-0 minib]$

[ceason_at_n01-044-0 minib]$ ulimit -l
unlimited

ompi_info -all output

                Open MPI: 1.2.4
   Open MPI SVN revision: r16187
                Open RTE: 1.2.4
   Open RTE SVN revision: r16187
                    OPAL: 1.2.4
       OPAL SVN revision: r16187
           MCA backtrace: execinfo (MCA v1.0, API v1.0, Component v1.2.4)
              MCA memory: ptmalloc2 (MCA v1.0, API v1.0, Component v1.2.4)
           MCA paffinity: linux (MCA v1.0, API v1.0, Component v1.2.4)
           MCA maffinity: first_use (MCA v1.0, API v1.0, Component v1.2.4)
           MCA maffinity: libnuma (MCA v1.0, API v1.0, Component v1.2.4)
               MCA timer: linux (MCA v1.0, API v1.0, Component v1.2.4)
         MCA installdirs: env (MCA v1.0, API v1.0, Component v1.2.4)
         MCA installdirs: config (MCA v1.0, API v1.0, Component v1.2.4)
           MCA allocator: basic (MCA v1.0, API v1.0, Component v1.0)
           MCA allocator: bucket (MCA v1.0, API v1.0, Component v1.0)
                MCA coll: basic (MCA v1.0, API v1.0, Component v1.2.4)
                MCA coll: self (MCA v1.0, API v1.0, Component v1.2.4)
                MCA coll: sm (MCA v1.0, API v1.0, Component v1.2.4)
                MCA coll: tuned (MCA v1.0, API v1.0, Component v1.2.4)
                  MCA io: romio (MCA v1.0, API v1.0, Component v1.2.4)
               MCA mpool: rdma (MCA v1.0, API v1.0, Component v1.2.4)
               MCA mpool: sm (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA pml: cm (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA pml: ob1 (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA bml: r2 (MCA v1.0, API v1.0, Component v1.2.4)
              MCA rcache: vma (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA btl: openib (MCA v1.0, API v1.0.1, Component v1.2.4)
                 MCA btl: self (MCA v1.0, API v1.0.1, Component v1.2.4)
                 MCA btl: sm (MCA v1.0, API v1.0.1, Component v1.2.4)
                 MCA btl: tcp (MCA v1.0, API v1.0.1, Component v1.0)
                MCA topo: unity (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA osc: pt2pt (MCA v1.0, API v1.0, Component v1.2.4)
              MCA errmgr: hnp (MCA v1.0, API v1.3, Component v1.2.4)
              MCA errmgr: orted (MCA v1.0, API v1.3, Component v1.2.4)
              MCA errmgr: proxy (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA gpr: null (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA gpr: proxy (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA gpr: replica (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA iof: proxy (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA iof: svc (MCA v1.0, API v1.0, Component v1.2.4)
                  MCA ns: proxy (MCA v1.0, API v2.0, Component v1.2.4)
                  MCA ns: replica (MCA v1.0, API v2.0, Component v1.2.4)
                 MCA oob: tcp (MCA v1.0, API v1.0, Component v1.0)
                 MCA ras: dash_host (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA ras: gridengine (MCA v1.0, API v1.3, Component
v1.2.4)
                 MCA ras: localhost (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA ras: slurm (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA ras: tm (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA rds: hostfile (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA rds: proxy (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA rds: resfile (MCA v1.0, API v1.3, Component v1.2.4)
               MCA rmaps: round_robin (MCA v1.0, API v1.3, Component
v1.2.4)
                MCA rmgr: proxy (MCA v1.0, API v2.0, Component v1.2.4)
                MCA rmgr: urm (MCA v1.0, API v2.0, Component v1.2.4)
                 MCA rml: oob (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA pls: gridengine (MCA v1.0, API v1.3, Component
v1.2.4)
                 MCA pls: proxy (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA pls: rsh (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA pls: slurm (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA pls: tm (MCA v1.0, API v1.3, Component v1.2.4)
                 MCA sds: env (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA sds: pipe (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA sds: seed (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA sds: singleton (MCA v1.0, API v1.0, Component v1.2.4)
                 MCA sds: slurm (MCA v1.0, API v1.0, Component v1.2.4)
                  Prefix: /usr/local/openmpi
                  Bindir: /usr/local/openmpi/bin
                  Libdir: /usr/local/openmpi/lib64
                  Incdir: /usr/local/openmpi/include
               Pkglibdir: /usr/local/openmpi/lib64/openmpi
              Sysconfdir: /usr/local/openmpi/etc
 Configured architecture: x86_64-redhat-linux-gnu
           Configured by: root
           Configured on: Sun Nov 18 14:44:52 CST 2007
          Configure host: wwim0-0
                Built by: root
                Built on: Sun Nov 18 14:51:43 CST 2007
              Built host: wwim0-0
              C bindings: yes
            C++ bindings: yes
      Fortran77 bindings: yes (all)
      Fortran90 bindings: no
 Fortran90 bindings size: na
              C compiler: gcc
     C compiler absolute: /usr/lib64/ccache/gcc
             C char size: 1
             C bool size: 1
            C short size: 2
              C int size: 4
             C long size: 8
            C float size: 4
           C double size: 8
          C pointer size: 8
            C char align: 1
            C bool align: 1
             C int align: 4
           C float align: 4
          C double align: 8
            C++ compiler: g++
   C++ compiler absolute: /usr/lib64/ccache/g++
      Fortran77 compiler: gfortran
  Fortran77 compiler abs: /usr/bin/gfortran
      Fortran90 compiler: none
  Fortran90 compiler abs: none
       Fort integer size: 4
       Fort logical size: 4
 Fort logical value true: 1
      Fort have integer1: yes
      Fort have integer2: yes
      Fort have integer4: yes
      Fort have integer8: yes
     Fort have integer16: no
         Fort have real4: yes
         Fort have real8: yes
        Fort have real16: no
      Fort have complex8: yes
     Fort have complex16: yes
     Fort have complex32: no
      Fort integer1 size: 1
      Fort integer2 size: 2
      Fort integer4 size: 4
      Fort integer8 size: 8
     Fort integer16 size: -1
          Fort real size: 4
         Fort real4 size: 4
         Fort real8 size: 8
        Fort real16 size: -1
      Fort dbl prec size: 4
          Fort cplx size: 4
      Fort dbl cplx size: 4
         Fort cplx8 size: 8
        Fort cplx16 size: 16
        Fort cplx32 size: -1
      Fort integer align: 4
     Fort integer1 align: 1
     Fort integer2 align: 2
     Fort integer4 align: 4
     Fort integer8 align: 8
    Fort integer16 align: -1
         Fort real align: 4
        Fort real4 align: 4
        Fort real8 align: 8
       Fort real16 align: -1
     Fort dbl prec align: 4
         Fort cplx align: 4
     Fort dbl cplx align: 4
        Fort cplx8 align: 4
       Fort cplx16 align: 8
       Fort cplx32 align: -1
             C profiling: yes
           C++ profiling: yes
     Fortran77 profiling: yes
     Fortran90 profiling: no
          C++ exceptions: no
          Thread support: posix (mpi: no, progress: no)
            Build CFLAGS: -O3 -DNDEBUG -m64 -I/usr/local/OFED/include
-finline-functions -fno-strict-aliasing -pthread
          Build CXXFLAGS: -O3 -DNDEBUG -m64 -I/usr/local/OFED/include
-finline-functions -pthread
            Build FFLAGS: -m64
           Build FCFLAGS: -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2
-fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64
-mtune=generic
           Build LDFLAGS: -export-dynamic -m64 -L/lib64 -L/usr/lib64
-L/usr/local/OFED/lib64
              Build LIBS: -lnsl -lutil -lm
    Wrapper extra CFLAGS: -pthread
  Wrapper extra CXXFLAGS: -pthread
    Wrapper extra FFLAGS: -pthread
   Wrapper extra FCFLAGS: -pthread
   Wrapper extra LDFLAGS:
      Wrapper extra LIBS: -ldl -Wl,--export-dynamic -lnsl -lutil -lm
-ldl
  Internal debug support: no
     MPI parameter check: runtime
Memory profiling support: no
Memory debugging support: no
         libltdl support: yes
   Heterogeneous support: yes
 mpirun default --prefix: no
                 MCA mca: parameter "mca_param_files" (current value:
"/home/usr1/ceason/.openmpi/mca-params.conf:/usr/local/openmpi/etc/openmpi-mca-params.conf")
                          Path for MCA configuration files containing
default parameter values
                 MCA mca: parameter "mca_component_path" (current value:
"/usr/local/openmpi/lib64/openmpi:/home/usr1/ceason/.openmpi/components")
                          Path where to look for Open MPI and ORTE
components
                 MCA mca: parameter "mca_verbose" (current value: <none>)
                          Top-level verbosity parameter
                 MCA mca: parameter "mca_component_show_load_errors"
(current value: "1")
                          Whether to show errors for components that
failed to load or not
                 MCA mca: parameter "mca_component_disable_dlopen"
(current value: "0")
                          Whether to attempt to disable opening dynamic
components or not
                 MCA mpi: parameter "mpi_param_check" (current value: "1")
                          Whether you want MPI API parameters checked at
run-time or not. Possible values are 0 (no checking) and 1 (perform
checking at run-time)
                 MCA mpi: parameter "mpi_yield_when_idle" (current value:
"0")
                          Yield the processor when waiting for MPI
communication (for MPI processes, will default to 1 when oversubscribing
nodes)
                 MCA mpi: parameter "mpi_event_tick_rate" (current value:
"-1")
                          How often to progress TCP communications (0 =
never, otherwise specified in microseconds)
                 MCA mpi: parameter "mpi_show_handle_leaks" (current
value: "0")
                          Whether MPI_FINALIZE shows all MPI handles that
were not freed or not
                 MCA mpi: parameter "mpi_no_free_handles" (current value:
"0")
                          Whether to actually free MPI objects when their
handles are freed
                 MCA mpi: parameter "mpi_show_mca_params" (current value:
"0")
                          Whether to show all MCA parameter value during
MPI_INIT or not (good for reproducability of MPI jobs)
                 MCA mpi: parameter "mpi_show_mca_params_file" (current
value: <none>)
                          If mpi_show_mca_params is true, setting this
string to a valid filename tells Open MPI to dump all the MCA parameter
values into a file suitable for reading via the mca_param_files parameter
(good for reproducability of MPI jobs)
                 MCA mpi: parameter "mpi_paffinity_alone" (current value:
"1")
                          If nonzero, assume that this job is the only
(set of) process(es) running on each node and bind processes to
processors, starting with processor ID 0
                 MCA mpi: parameter "mpi_keep_peer_hostnames" (current
value: "1")
                          If nonzero, save the string hostnames of all MPI
peer processes (mostly for error / debugging output messages). This can
add quite a bit of memory usage to each MPI process.
                 MCA mpi: parameter "mpi_abort_delay" (current value: "0")
                          If nonzero, print out an identifying message
when MPI_ABORT is invoked (hostname, PID of the process that called
MPI_ABORT) and delay for that many seconds before exiting (a negative
delay value means to never abort). This allows attaching of a debugger
before quitting the job.
                 MCA mpi: parameter "mpi_abort_print_stack" (current
value: "0")
                          If nonzero, print out a stack trace when
MPI_ABORT is invoked
                 MCA mpi: parameter "mpi_preconnect_all" (current value:
"0")
                          Whether to force MPI processes to create
connections / warmup with *all* peers during MPI_INIT (vs. making
connections lazily -- upon the first MPI traffic between each process peer
pair)
                 MCA mpi: parameter "mpi_preconnect_oob" (current value:
"0")
                          Whether to force MPI processes to fully wire-up
the OOB system between MPI processes.
                 MCA mpi: parameter "mpi_leave_pinned" (current value:
"0")
                          Whether to use the "leave pinned" protocol or
not. Enabling this setting can help bandwidth performance when repeatedly
sending and receiving large messages with the same buffers over RDMA-based
networks.
                 MCA mpi: parameter "mpi_leave_pinned_pipeline" (current
value: "0")
                          Whether to use the "leave pinned pipeline"
protocol or not.
                MCA orte: parameter "orte_debug" (current value: "0")
                          Top-level ORTE debug switch
                MCA orte: parameter "orte_no_daemonize" (current value:
"0")
                          Whether to properly daemonize the ORTE daemons
or not
                MCA orte: parameter "orte_base_user_debugger" (current
value: "totalview @mpirun@ -a @mpirun_args@ : ddt -n @np@ -start
@executable@ @executable_argv@ @single_app@ : fxp @mpirun@ -a
@mpirun_args@")
                          Sequence of user-level debuggers to search for
in orterun
                MCA orte: parameter "orte_abort_timeout" (current value:
"10")
                          Time to wait [in seconds] before giving up on
aborting an ORTE operation
                MCA orte: parameter "orte_timing" (current value: "0")
                          Request that critical timing loops be measured
                MCA opal: parameter "opal_signal" (current value:
"6,7,8,11")
                          If a signal is received, display the stack trace
frame
           MCA backtrace: parameter "backtrace" (current value: <none>)
                          Default selection set of components for the
backtrace framework (<none> means "use all components that can be found")
           MCA backtrace: parameter "backtrace_base_verbose" (current
value: "0")
                          Verbosity level for the backtrace framework (0 =
no verbosity)
           MCA backtrace: parameter "backtrace_execinfo_priority" (current
value: "0")
              MCA memory: parameter "memory" (current value: <none>)
                          Default selection set of components for the
memory framework (<none> means "use all components that can be found")
              MCA memory: parameter "memory_base_verbose" (current value:
"0")
                          Verbosity level for the memory framework (0 = no
verbosity)
              MCA memory: parameter "memory_ptmalloc2_priority" (current
value: "0")
           MCA paffinity: parameter "paffinity_base_verbose" (current
value: "0")
                          Verbosity level of the paffinity framework
           MCA paffinity: parameter "paffinity" (current value: <none>)
                          Default selection set of components for the
paffinity framework (<none> means "use all components that can be found")
           MCA paffinity: parameter "paffinity_linux_priority" (current
value: "10")
                          Priority of the linux paffinity component
           MCA paffinity: information "paffinity_linux_have_cpu_set_t"
(value: "1")
                          Whether this component was compiled on a system
with the type cpu_set_t or not (1 = yes, 0 = no)
           MCA paffinity: information "paffinity_linux_CPU_ZERO_ok"
(value: "1")
                          Whether this component was compiled on a system
where CPU_ZERO() is functional or broken (1 = functional, 0 = broken/not
available)
           MCA paffinity: information
"paffinity_linux_sched_setaffinity_num_params" (value: "3")
                          The number of parameters that
sched_set_affinity() takes on the machine where this component was
compiled
           MCA maffinity: parameter "maffinity_base_verbose" (current
value: "0")
                          Verbosity level of the maffinity framework
           MCA maffinity: parameter "maffinity" (current value: <none>)
                          Default selection set of components for the
maffinity framework (<none> means "use all components that can be found")
           MCA maffinity: parameter "maffinity_first_use_priority"
(current value: "10")
                          Priority of the first_use maffinity component
           MCA maffinity: parameter "maffinity_libnuma_priority" (current
value: "25")
                          Priority of the libnuma maffinity component
               MCA timer: parameter "timer" (current value: <none>)
                          Default selection set of components for the
timer framework (<none> means "use all components that can be found")
               MCA timer: parameter "timer_base_verbose" (current value:
"0")
                          Verbosity level for the timer framework (0 = no
verbosity)
               MCA timer: parameter "timer_linux_priority" (current value:
"0")
           MCA allocator: parameter "allocator" (current value: <none>)
                          Default selection set of components for the
allocator framework (<none> means "use all components that can be found")
           MCA allocator: parameter "allocator_base_verbose" (current
value: "0")
                          Verbosity level for the allocator framework (0 =
no verbosity)
           MCA allocator: parameter "allocator_basic_priority" (current
value: "0")
           MCA allocator: parameter "allocator_bucket_num_buckets"
(current value: "30")
           MCA allocator: parameter "allocator_bucket_priority" (current
value: "0")
                MCA coll: parameter "coll" (current value: <none>)
                          Default selection set of components for the coll
framework (<none> means "use all components that can be found")
                MCA coll: parameter "coll_base_verbose" (current value:
"0")
                          Verbosity level for the coll framework (0 = no
verbosity)
                MCA coll: parameter "coll_basic_priority" (current value:
"10")
                          Priority of the basic coll component
                MCA coll: parameter "coll_basic_crossover" (current value:
"4")
                          Minimum number of processes in a communicator
before using the logarithmic algorithms
                MCA coll: parameter "coll_self_priority" (current value:
"75")
                MCA coll: parameter "coll_sm_priority" (current value:
"0")
                          Priority of the sm coll component
                MCA coll: parameter "coll_sm_control_size" (current value:
"4096")
                          Length of the control data -- should usually be
either the length of a cache line on most SMPs, or the size of a page on
machines that support direct memory affinity page placement (in bytes)
                MCA coll: parameter "coll_sm_bootstrap_filename" (current
value: "shared_mem_sm_bootstrap")
                          Filename (in the Open MPI session directory) of
the coll sm component bootstrap rendezvous mmap file
                MCA coll: parameter "coll_sm_bootstrap_num_segments"
(current value: "8")
                          Number of segments in the bootstrap file
                MCA coll: parameter "coll_sm_fragment_size" (current
value: "8192")
                          Fragment size (in bytes) used for passing data
through shared memory (will be rounded up to the nearest control_size
size)
                MCA coll: parameter "coll_sm_mpool" (current value: "sm")
                          Name of the mpool component to use
                MCA coll: parameter "coll_sm_comm_in_use_flags" (current
value: "2")
                          Number of "in use" flags, used to mark a message
passing area segment as currently being used or not (must be >= 2 and <=
comm_num_segments)
                MCA coll: parameter "coll_sm_comm_num_segments" (current
value: "8")
                          Number of segments in each communicator's shared
memory message passing area (must be >= 2, and must be a multiple of
comm_in_use_flags)
                MCA coll: parameter "coll_sm_tree_degree" (current value:
"4")
                          Degree of the tree for tree-based operations
(must be => 1 and <= min(control_size, 255))
                MCA coll: information "coll_sm_shared_mem_used_bootstrap"
(value: "216")
                          Amount of shared memory used in the shared
memory bootstrap area (in bytes)
                MCA coll: parameter "coll_sm_info_num_procs" (current
value: "4")
                          Number of processes to use for the calculation
of the shared_mem_size MCA information parameter (must be => 2)
                MCA coll: information "coll_sm_shared_mem_used_data"
(value: "548864")
                          Amount of shared memory used in the shared
memory data area for info_num_procs processes (in bytes)
                MCA coll: parameter "coll_tuned_priority" (current value:
"30")
                          Priority of the tuned coll component
                MCA coll: parameter
"coll_tuned_pre_allocate_memory_comm_size_limit" (current value: "32768")
                          Size of communicator were we stop pre-allocating
memory for the fixed internal buffer used for message requests etc that is
hung off the communicator data segment. I.e. if you have a 100'000 nodes
you might not want to pre-allocate 200'000 request handle slots per
communicator instance!
                MCA coll: parameter "coll_tuned_init_tree_fanout" (current
value: "4")
                          Inital fanout used in the tree topologies for
each communicator. This is only an initial guess, if a tuned collective
needs a different fanout for an operation, it build it dynamically. This
parameter is only for the first guess and might save a little time
                MCA coll: parameter "coll_tuned_init_chain_fanout"
(current value: "4")
                          Inital fanout used in the chain (fanout followed
by pipeline) topologies for each communicator. This is only an initial
guess, if a tuned collective needs a different fanout for an operation, it
build it dynamically. This parameter is only for the first guess and might
save a little time
                MCA coll: parameter "coll_tuned_use_dynamic_rules"
(current value: "0")
                          Switch used to decide if we use static
(compiled/if statements) or dynamic (built at runtime) decision function
rules
                  MCA io: parameter "io_base_freelist_initial_size"
(current value: "16")
                          Initial MPI-2 IO request freelist size
                  MCA io: parameter "io_base_freelist_max_size" (current
value: "64")
                          Max size of the MPI-2 IO request freelist
                  MCA io: parameter "io_base_freelist_increment" (current
value: "16")
                          Increment size of the MPI-2 IO request freelist
                  MCA io: parameter "io" (current value: <none>)
                          Default selection set of components for the io
framework (<none> means "use all components that can be found")
                  MCA io: parameter "io_base_verbose" (current value: "0")
                          Verbosity level for the io framework (0 = no
verbosity)
                  MCA io: parameter "io_romio_priority" (current value:
"10")
                          Priority of the io romio component
                  MCA io: parameter "io_romio_delete_priority" (current
value: "10")
                          Delete priority of the io romio component
                  MCA io: parameter
"io_romio_enable_parallel_optimizations" (current value: "0")
                          Enable set of Open MPI-added options to improve
collective file i/o performance
               MCA mpool: parameter "mpool" (current value: <none>)
                          Default selection set of components for the
mpool framework (<none> means "use all components that can be found")
               MCA mpool: parameter "mpool_base_verbose" (current value:
"0")
                          Verbosity level for the mpool framework (0 = no
verbosity)
               MCA mpool: parameter "mpool_rdma_rcache_name" (current
value: "vma")
                          The name of the registration cache the mpool
should use
               MCA mpool: parameter "mpool_rdma_rcache_size_limit"
(current value: "0")
                          the maximum size of registration cache in bytes.
0 is unlimited (default 0)
               MCA mpool: parameter "mpool_rdma_print_stats" (current
value: "0")
                          print pool usage statistics at the end of the
run
               MCA mpool: parameter "mpool_rdma_priority" (current value:
"0")
               MCA mpool: parameter "mpool_sm_allocator" (current value:
"bucket")
                          Name of allocator component to use with sm mpool
               MCA mpool: parameter "mpool_sm_max_size" (current value:
"536870912")
                          Maximum size of the sm mpool shared memory file
               MCA mpool: parameter "mpool_sm_min_size" (current value:
"134217728")
                          Minimum size of the sm mpool shared memory file
               MCA mpool: parameter "mpool_sm_per_peer_size" (current
value: "33554432")
                          Size (in bytes) to allocate per local peer in
the sm mpool shared memory file, bounded by min_size and max_size
               MCA mpool: parameter "mpool_sm_verbose" (current value:
"0")
                          Enable verbose output for mpool sm component
               MCA mpool: parameter "mpool_sm_priority" (current value:
"0")
               MCA mpool: parameter "mpool_base_use_mem_hooks" (current
value: "0")
                          use memory hooks for deregistering freed memory
               MCA mpool: parameter "mpool_use_mem_hooks" (current value:
"0")
                          (deprecated, use mpool_base_use_mem_hooks)
               MCA mpool: parameter "mpool_base_disable_sbrk" (current
value: "0")
                          use mallopt to override calling sbrk (doesn't
return memory to OS!)
               MCA mpool: parameter "mpool_disable_sbrk" (current value:
"0")
                          (deprecated, use mca_mpool_base_disable_sbrk)
                 MCA pml: parameter "pml" (current value: <none>)
                          Default selection set of components for the pml
framework (<none> means "use all components that can be found")
                 MCA pml: parameter "pml_base_verbose" (current value:
"0")
                          Verbosity level for the pml framework (0 = no
verbosity)
                 MCA pml: parameter "pml_cm_free_list_num" (current value:
"4")
                          Initial size of request free lists
                 MCA pml: parameter "pml_cm_free_list_max" (current value:
"-1")
                          Maximum size of request free lists
                 MCA pml: parameter "pml_cm_free_list_inc" (current value:
"64")
                          Number of elements to add when growing request
free lists
                 MCA pml: parameter "pml_cm_priority" (current value:
"30")
                          CM PML selection priority
                 MCA pml: parameter "pml_ob1_free_list_num" (current
value: "4")
                 MCA pml: parameter "pml_ob1_free_list_max" (current
value: "-1")
                 MCA pml: parameter "pml_ob1_free_list_inc" (current
value: "64")
                 MCA pml: parameter "pml_ob1_priority" (current value:
"20")
                 MCA pml: parameter "pml_ob1_eager_limit" (current value:
"131072")
                 MCA pml: parameter "pml_ob1_send_pipeline_depth" (current
value: "3")
                 MCA pml: parameter "pml_ob1_recv_pipeline_depth" (current
value: "4")
                 MCA bml: parameter "bml" (current value: <none>)
                          Default selection set of components for the bml
framework (<none> means "use all components that can be found")
                 MCA bml: parameter "bml_base_verbose" (current value:
"0")
                          Verbosity level for the bml framework (0 = no
verbosity)
                 MCA bml: parameter "bml_r2_show_unreach_errors" (current
value: "1")
                          Show error message when procs are unreachable
                 MCA bml: parameter "bml_r2_priority" (current value: "0")
              MCA rcache: parameter "rcache" (current value: <none>)
                          Default selection set of components for the
rcache framework (<none> means "use all components that can be found")
              MCA rcache: parameter "rcache_base_verbose" (current value:
"0")
                          Verbosity level for the rcache framework (0 = no
verbosity)
              MCA rcache: parameter "rcache_vma_priority" (current value:
"0")
                 MCA btl: parameter "btl_base_debug" (current value: "0")
                          If btl_base_debug is 1 standard debug is output,
if > 1 verbose debug is output
                 MCA btl: parameter "btl" (current value: <none>)
                          Default selection set of components for the btl
framework (<none> means "use all components that can be found")
                 MCA btl: parameter "btl_base_verbose" (current value:
"0")
                          Verbosity level for the btl framework (0 = no
verbosity)
                 MCA btl: parameter "btl_openib_verbose" (current value:
"0")
                          Output some verbose OpenIB BTL information (0 =
no output, nonzero = output)
                 MCA btl: parameter "btl_openib_warn_no_hca_params_found"
(current value: "1")
                          Warn when no HCA-specific parameters are found
in the INI file specified by the btl_openib_hca_param_files MCA parameter
(0 = do not warn; any other value = warn)
                 MCA btl: parameter "btl_openib_warn_default_gid_prefix"
(current value: "1")
                          Warn when there is more than one active ports
and at least one of them connected to the network with only default GID
prefix configured (0 = do not warn; any other value = warn)
                 MCA btl: parameter "btl_openib_want_fork_support"
(current value: "-1")
                          Whether fork support is desired or not (negative
= try to enable fork support, but continue even if it is not available, 0
= do not enable fork support, positive = try to enable fork support and
fail if it is not available)
                 MCA btl: parameter "btl_openib_hca_param_files" (current
value: "/usr/local/openmpi/share/openmpi/mca-btl-openib-hca-params.ini")
                          Colon-delimited list of INI-style files that
contain HCA vendor/part-specific parameters
                 MCA btl: parameter "btl_openib_max_btls" (current value:
"-1")
                          Maximum number of HCA ports to use (-1 = use all
available, otherwise must be >= 1)
                 MCA btl: parameter "btl_openib_free_list_num" (current
value: "8")
                          Intial size of free lists (must be >= 1)
                 MCA btl: parameter "btl_openib_free_list_max" (current
value: "-1")
                          Maximum size of free lists (-1 = infinite,
otherwise must be >= 0)
                 MCA btl: parameter "btl_openib_free_list_inc" (current
value: "32")
                          Increment size of free lists (must be >= 1)
                 MCA btl: parameter "btl_openib_mpool" (current value:
"rdma")
                          Name of the memory pool to be used (it is
unlikely that you will ever want to change this
                 MCA btl: parameter "btl_openib_reg_mru_len" (current
value: "16")
                          Length of the registration cache most recently
used list (must be >= 1)
                 MCA btl: parameter "btl_openib_ib_cq_size" (current
value: "1000")
                          Size of the IB completion queue (will
automatically be set to a minimum of (2 * number_of_peers *
btl_openib_rd_num))
                 MCA btl: parameter "btl_openib_ib_sg_list_size" (current
value: "4")
                          Size of IB segment list (must be >= 1)
                 MCA btl: parameter "btl_openib_ib_pkey_ix" (current
value: "0")
                          InfiniBand pkey index (must be >= 0)
                 MCA btl: parameter "btl_openib_ib_pkey_val" (current
value: "0")
                          InfiniBand pkey value(must be > 0 and < 0xffff)
                 MCA btl: parameter "btl_openib_ib_psn" (current value:
"0")
                          InfiniBand packet sequence starting number (must
be >= 0)
                 MCA btl: parameter "btl_openib_ib_qp_ous_rd_atom"
(current value: "4")
                          InfiniBand outstanding atomic reads (must be >=
0)
                 MCA btl: parameter "btl_openib_ib_mtu" (current value:
"3")
                          IB MTU, in bytes (if not specified in INI
files). Valid values are: 1=256 bytes, 2=512 bytes, 3=1024 bytes, 4=2048
bytes, 5=4096 bytes
                 MCA btl: parameter "btl_openib_ib_min_rnr_timer" (current
value: "5")
                          InfiniBand minimum "receiver not ready" timer,
in seconds (must be >= 0 and <= 31)
                 MCA btl: parameter "btl_openib_ib_timeout" (current
value: "10")
                          InfiniBand transmit timeout, plugged into
formula: 4.096 microseconds * (2^btl_openib_ib_timeout)(must be >= 0 and
<= 31)
                 MCA btl: parameter "btl_openib_ib_retry_count" (current
value: "7")
                          InfiniBand transmit retry count (must be >= 0
and <= 7)
                 MCA btl: parameter "btl_openib_ib_rnr_retry" (current
value: "7")
                          InfiniBand "receiver not ready" retry count
(must be >= 0 and <= 7)
                 MCA btl: parameter "btl_openib_ib_max_rdma_dst_ops"
(current value: "4")
                          InfiniBand maximum pending RDMA destination
operations (must be >= 0)
                 MCA btl: parameter "btl_openib_ib_service_level" (current
value: "0")
                          InfiniBand service level (must be >= 0)
                 MCA btl: parameter "btl_openib_ib_static_rate" (current
value: "0")
                          InfiniBand static rate (must be >= 0; defulat:
%d)
                 MCA btl: parameter "btl_openib_exclusivity" (current
value: "1024")
                          OpenIB BTL exclusivity (must be >= 0)
                 MCA btl: parameter "btl_openib_rd_num" (current value:
"8")
                          Number of receive descriptors to post to a queue
pair (must be >= 1)
                 MCA btl: parameter "btl_openib_rd_low" (current value:
"6")
                          Low water mark before reposting occurs (must be
>= 1)
                 MCA btl: parameter "btl_openib_rd_win" (current value:
"4")
                          Window size at which generate explicit credit
message (must be >= 1)
                 MCA btl: parameter "btl_openib_use_srq" (current value:
"0")
                          If nonzero, use the InfiniBand shared receive
queue ("SRQ")
                 MCA btl: parameter "btl_openib_srq_rd_max" (current
value: "1000")
                          Maxium number of receive descriptors posted per
SRQ (only relevant if btl_openib_use_srq is true; must be >= 1)
                 MCA btl: parameter "btl_openib_srq_rd_per_peer" (current
value: "16")
                          Number of receive descriptors posted per peer in
the SRQ (only relevant if btl_openib_use_srq is true; must be >= 1)
                 MCA btl: parameter "btl_openib_srq_sd_max" (current
value: "8")
                          Maximum number of send descriptors posted (only
relevant if btl_openib_use_srq is true; must be >= 1)
                 MCA btl: parameter "btl_openib_use_eager_rdma" (current
value: "1")
                          Use RDMA for eager messages
                 MCA btl: parameter "btl_openib_eager_rdma_threshold"
(current value: "16")
                          Use RDMA for short messages after this number of
messages are received from a given peer (must be >= 1)
                 MCA btl: parameter "btl_openib_max_eager_rdma" (current
value: "16")
                          Maximum number of peers allowed to use RDMA for
short messages (RDMA is used for all long messages, except if explicitly
disabled, such as with the "dr" pml) (must be >= 0)
                 MCA btl: parameter "btl_openib_eager_rdma_num" (current
value: "16")
                          Number of RDMA buffers to allocate for small
messages(must be >= 1)
                 MCA btl: parameter "btl_openib_btls_per_lid" (current
value: "1")
                          Number of BTLs to create for each InfiniBand LID
(must be >= 1)
                 MCA btl: parameter "btl_openib_max_lmc" (current value:
"0")
                          Maximum number of LIDs to use for each HCA port
(must be >= 0, where 0 = use all available)
                 MCA btl: parameter "btl_openib_buffer_alignment" (current
value: "64")
                          Prefered communication buffer alignment, in
bytes (must be >= 0)
                 MCA btl: parameter "btl_openib_eager_limit" (current
value: "12288")
                          Eager send limit, in bytes (must be >= 1)
                 MCA btl: parameter "btl_openib_min_send_size" (current
value: "32768")
                          Minimum send size, in bytes (must be >= 1)
                 MCA btl: parameter "btl_openib_max_send_size" (current
value: "65536")
                          Maximum send size, in bytes (must be >= 1)
                 MCA btl: parameter "btl_openib_min_rdma_size" (current
value: "1048576")
                          Minimum RDMA size, in bytes (must be >= 1)
                 MCA btl: parameter "btl_openib_max_rdma_size" (current
value: "1048576")
                          Maximium RDMA size, in bytes (must be >= 1)
                 MCA btl: parameter "btl_openib_flags" (current value:
"54")
                          BTL flags, added together: SEND=1, PUT=2, GET=4
(cannot be 0)
                 MCA btl: parameter "btl_openib_bandwidth" (current value:
"0")
                          Approximate maximum bandwidth of each network
interface in megabits per second (if 0, filled in at run-time by querying
the HCA, otherwise must be > 0)
                 MCA btl: information "btl_openib_have_fork_support"
(value: "1")
                          Whether the OpenFabrics stack supports
applications that invoke the "fork()" system call or not (0 = no, 1 =
yes). Note that this value does NOT indicate whether the system being run
on supports "fork()" with OpenFabrics applications or not.
                 MCA btl: parameter "btl_openib_priority" (current value:
"0")
                 MCA btl: parameter "btl_self_free_list_num" (current
value: "0")
                          Number of fragments by default
                 MCA btl: parameter "btl_self_free_list_max" (current
value: "-1")
                          Maximum number of fragments
                 MCA btl: parameter "btl_self_free_list_inc" (current
value: "32")
                          Increment by this number of fragments
                 MCA btl: parameter "btl_self_eager_limit" (current value:
"131072")
                          Eager size fragmeng (before the rendez-vous
ptotocol)
                 MCA btl: parameter "btl_self_min_send_size" (current
value: "262144")
                          Minimum fragment size after the rendez-vous
                 MCA btl: parameter "btl_self_max_send_size" (current
value: "262144")
                          Maximum fragment size after the rendez-vous
                 MCA btl: parameter "btl_self_min_rdma_size" (current
value: "2147483647")
                          Maximum fragment size for the RDMA transfer
                 MCA btl: parameter "btl_self_max_rdma_size" (current
value: "2147483647")
                          Maximum fragment size for the RDMA transfer
                 MCA btl: parameter "btl_self_exclusivity" (current value:
"65536")
                          Device exclusivity
                 MCA btl: parameter "btl_self_flags" (current value: "10")
                          Active behavior flags
                 MCA btl: parameter "btl_self_priority" (current value:
"0")
                 MCA btl: parameter "btl_sm_free_list_num" (current value:
"8")
                 MCA btl: parameter "btl_sm_free_list_max" (current value:
"-1")
                 MCA btl: parameter "btl_sm_free_list_inc" (current value:
"64")
                 MCA btl: parameter "btl_sm_exclusivity" (current value:
"65535")
                 MCA btl: parameter "btl_sm_latency" (current value:
"100")
                 MCA btl: parameter "btl_sm_max_procs" (current value:
"-1")
                 MCA btl: parameter "btl_sm_sm_extra_procs" (current
value: "2")
                 MCA btl: parameter "btl_sm_mpool" (current value: "sm")
                 MCA btl: parameter "btl_sm_eager_limit" (current value:
"4096")
                 MCA btl: parameter "btl_sm_max_frag_size" (current value:
"32768")
                 MCA btl: parameter "btl_sm_size_of_cb_queue" (current
value: "128")
                 MCA btl: parameter "btl_sm_cb_lazy_free_freq" (current
value: "120")
                 MCA btl: parameter "btl_sm_priority" (current value: "0")
                 MCA btl: parameter "btl_tcp_if_include" (current value:
<none>)
                 MCA btl: parameter "btl_tcp_if_exclude" (current value:
"apnet0,apnet1,apnet2,apnet3")
                 MCA btl: parameter "btl_tcp_free_list_num" (current
value: "8")
                 MCA btl: parameter "btl_tcp_free_list_max" (current
value: "-1")
                 MCA btl: parameter "btl_tcp_free_list_inc" (current
value: "32")
                 MCA btl: parameter "btl_tcp_sndbuf" (current value:
"131072")
                 MCA btl: parameter "btl_tcp_rcvbuf" (current value:
"131072")
                 MCA btl: parameter "btl_tcp_endpoint_cache" (current
value: "30720")
                 MCA btl: parameter "btl_tcp_exclusivity" (current value:
"0")
                 MCA btl: parameter "btl_tcp_eager_limit" (current value:
"65536")
                 MCA btl: parameter "btl_tcp_min_send_size" (current
value: "65536")
                 MCA btl: parameter "btl_tcp_max_send_size" (current
value: "131072")
                 MCA btl: parameter "btl_tcp_min_rdma_size" (current
value: "131072")
                 MCA btl: parameter "btl_tcp_max_rdma_size" (current
value: "2147483647")
                 MCA btl: parameter "btl_tcp_flags" (current value: "122")
                 MCA btl: parameter "btl_tcp_priority" (current value:
"0")
                 MCA btl: parameter "btl_base_include" (current value:
<none>)
                 MCA btl: parameter "btl_base_exclude" (current value:
<none>)
                 MCA btl: parameter "btl_base_warn_component_unused"
(current value: "1")
                          This parameter is used to turn on warning
messages when certain NICs are not used
                 MCA mtl: parameter "mtl" (current value: <none>)
                          Default selection set of components for the mtl
framework (<none> means "use all components that can be found")
                 MCA mtl: parameter "mtl_base_verbose" (current value:
"0")
                          Verbosity level for the mtl framework (0 = no
verbosity)
                MCA topo: parameter "topo" (current value: <none>)
                          Default selection set of components for the topo
framework (<none> means "use all components that can be found")
                MCA topo: parameter "topo_base_verbose" (current value:
"0")
                          Verbosity level for the topo framework (0 = no
verbosity)
                 MCA osc: parameter "osc" (current value: <none>)
                          Default selection set of components for the osc
framework (<none> means "use all components that can be found")
                 MCA osc: parameter "osc_base_verbose" (current value:
"0")
                          Verbosity level for the osc framework (0 = no
verbosity)
                 MCA osc: parameter "osc_pt2pt_no_locks" (current value:
"0")
                          Enable optimizations available only if MPI_LOCK
is not used.
                 MCA osc: parameter "osc_pt2pt_eager_limit" (current
value: "16384")
                          Max size of eagerly sent data
                 MCA osc: parameter "osc_pt2pt_priority" (current value:
"0")
              MCA errmgr: parameter "errmgr_base_verbose" (current value:
"0")
                          Verbosity level for the errmgr framework
              MCA errmgr: parameter "errmgr" (current value: <none>)
                          Default selection set of components for the
errmgr framework (<none> means "use all components that can be found")
              MCA errmgr: parameter "errmgr_hnp_debug" (current value:
"0")
              MCA errmgr: parameter "errmgr_hnp_priority" (current value:
"0")
              MCA errmgr: parameter "errmgr_orted_debug" (current value:
"0")
              MCA errmgr: parameter "errmgr_orted_priority" (current
value: "0")
              MCA errmgr: parameter "errmgr_proxy_debug" (current value:
"0")
              MCA errmgr: parameter "errmgr_proxy_priority" (current
value: "0")
                 MCA gpr: parameter "gpr_base_verbose" (current value:
"0")
                          Verbosity level for the gpr framework
                 MCA gpr: parameter "gpr_base_maxsize" (current value:
"2147483647")
                 MCA gpr: parameter "gpr_base_blocksize" (current value:
"512")
                 MCA gpr: parameter "gpr" (current value: <none>)
                          Default selection set of components for the gpr
framework (<none> means "use all components that can be found")
                 MCA gpr: parameter "gpr_null_priority" (current value:
"0")
                 MCA gpr: parameter "gpr_proxy_debug" (current value: "0")
                 MCA gpr: parameter "gpr_proxy_priority" (current value:
"0")
                 MCA gpr: parameter "gpr_replica_debug" (current value:
"0")
                 MCA gpr: parameter "gpr_replica_isolate" (current value:
"0")
                 MCA gpr: parameter "gpr_replica_priority" (current value:
"0")
                 MCA iof: parameter "iof_base_window_size" (current value:
"4096")
                 MCA iof: parameter "iof_base_service" (current value:
"0.0.0")
                 MCA iof: parameter "iof_base_verbose" (current value:
"0")
                          Verbosity level for the iof framework
                 MCA iof: parameter "iof" (current value: <none>)
                          Default selection set of components for the iof
framework (<none> means "use all components that can be found")
                 MCA iof: parameter "iof_proxy_priority" (current value:
"0")
                 MCA iof: parameter "iof_svc_priority" (current value:
"0")
                  MCA ns: parameter "ns_base_verbose" (current value: "0")
                          Verbosity level for the ns framework
                  MCA ns: parameter "ns" (current value: <none>)
                          Default selection set of components for the ns
framework (<none> means "use all components that can be found")
                  MCA ns: parameter "ns_proxy_debug" (current value: "0")
                  MCA ns: parameter "ns_proxy_maxsize" (current value:
"2147483647")
                  MCA ns: parameter "ns_proxy_blocksize" (current value:
"512")
                  MCA ns: parameter "ns_proxy_priority" (current value:
"0")
                  MCA ns: parameter "ns_replica_debug" (current value:
"0")
                  MCA ns: parameter "ns_replica_isolate" (current value:
"0")
                  MCA ns: parameter "ns_replica_maxsize" (current value:
"2147483647")
                  MCA ns: parameter "ns_replica_blocksize" (current value:
"512")
                  MCA ns: parameter "ns_replica_priority" (current value:
"0")
                 MCA oob: parameter "oob" (current value: <none>)
                          Default selection set of components for the oob
framework (<none> means "use all components that can be found")
                 MCA oob: parameter "oob_base_verbose" (current value:
"0")
                          Verbosity level for the oob framework (0 = no
verbosity)
                 MCA oob: parameter "oob_tcp_peer_limit" (current value:
"-1")
                 MCA oob: parameter "oob_tcp_peer_retries" (current value:
"60")
                 MCA oob: parameter "oob_tcp_debug" (current value: "0")
                 MCA oob: parameter "oob_tcp_sndbuf" (current value:
"131072")
                 MCA oob: parameter "oob_tcp_rcvbuf" (current value:
"131072")
                 MCA oob: parameter "oob_tcp_if_include" (current value:
<none>)
                          Comma-delimited list of TCP interfaces to use
                 MCA oob: parameter "oob_tcp_if_exclude" (current value:
"apnet0,apnet1,apnet2,apnet3")
                          Comma-delimited list of TCP interfaces to
exclude
                 MCA oob: parameter "oob_tcp_connect_sleep" (current
value: "1")
                          Enable (1) / disable (0) random sleep for
connection wireup
                 MCA oob: parameter "oob_tcp_listen_mode" (current value:
"event")
                          Mode for HNP to accept incoming connections:
event, listen_thread
                 MCA oob: parameter "oob_tcp_listen_thread_max_queue"
(current value: "10")
                          High water mark for queued accepted socket list
size
                 MCA oob: parameter "oob_tcp_listen_thread_max_time"
(current value: "10")
                          Maximum amount of time (in milliseconds) to wait
between processing accepted socket list
                 MCA oob: parameter "oob_tcp_accept_spin_count" (current
value: "10")
                          Number of times to let accept return EWOULDBLOCK
before updating accepted socket list
                 MCA oob: parameter "oob_tcp_priority" (current value:
"0")
                 MCA oob: parameter "oob_base_include" (current value:
<none>)
                          Components to include for oob framework
selection
                 MCA oob: parameter "oob_base_exclude" (current value:
<none>)
                          Components to exclude for oob framework
selection
                 MCA ras: parameter "ras_base_verbose" (current value:
"0")
                          Enable debugging for the RAS framework (nonzero
= enabled)
                 MCA ras: parameter "ras" (current value: <none>)
                 MCA ras: parameter "ras_dash_host_priority" (current
value: "5")
                          Selection priority for the dash_host RAS
component
                 MCA ras: parameter "ras_gridengine_debug" (current value:
"0")
                          Enable debugging output for the gridengine ras
component
                 MCA ras: parameter "ras_gridengine_priority" (current
value: "100")
                          Priority of the gridengine ras component
                 MCA ras: parameter "ras_gridengine_verbose" (current
value: "0")
                          Enable verbose output for the gridengine ras
component
                 MCA ras: parameter "ras_gridengine_show_jobid" (current
value: "0")
                          Show the JOB_ID of the Grid Engine job
                 MCA ras: parameter "ras_localhost_priority" (current
value: "0")
                          Selection priority for the localhost RAS
component
                 MCA ras: parameter "ras_slurm_priority" (current value:
"75")
                          Priority of the slurm ras component
                 MCA ras: parameter "ras_tm_priority" (current value:
"100")
                          Priority of the tm ras component
                 MCA ras: parameter "ras_tm_nodefile_dir" (current value:
"/var/torque/aux")
                          The directory where the PBS nodefile can be
found
                 MCA rds: parameter "rds_base_verbose" (current value:
"0")
                          Verbosity level for the rds framework
                 MCA rds: parameter "rds" (current value: <none>)
                 MCA rds: parameter "rds_hostfile_debug" (current value:
"0")
                          Toggle debug output for hostfile RDS component
                 MCA rds: parameter "rds_hostfile_path" (current value:
"/usr/local/openmpi/etc/openmpi-default-hostfile")
                          ORTE Host filename
                 MCA rds: parameter "rds_hostfile_priority" (current
value: "0")
                 MCA rds: parameter "rds_proxy_priority" (current value:
"0")
                 MCA rds: parameter "rds_resfile_debug" (current value:
"0")
                          Toggle debug output for resfile RDS component
                 MCA rds: parameter "rds_resfile_name" (current value:
<none>)
                          ORTE Resource filename
                 MCA rds: parameter "rds_resfile_priority" (current value:
"0")
               MCA rmaps: parameter "rmaps_base_verbose" (current value:
"0")
                          Verbosity level for the rmaps framework
               MCA rmaps: parameter "rmaps_base_schedule_policy" (current
value: "unspec")
                          Scheduling Policy for RMAPS. [slot | node]
               MCA rmaps: parameter "rmaps_base_pernode" (current value:
"0")
                          Launch one ppn as directed
               MCA rmaps: parameter "rmaps_base_n_pernode" (current value:
"-1")
                          Launch n procs/node
               MCA rmaps: parameter "rmaps_base_no_schedule_local"
(current value: "0")
                          If false, allow scheduling MPI applications on
the same node as mpirun (default). If true, do not schedule any MPI
applications on the same node as mpirun
               MCA rmaps: parameter "rmaps_base_no_oversubscribe" (current
value: "0")
                          If true, then do not allow oversubscription of
nodes - mpirun will return an error if there aren't enough nodes to launch
all processes without oversubscribing
               MCA rmaps: parameter "rmaps_base_display_map" (current
value: "0")
                          Whether to display the process map after it is
computed
               MCA rmaps: parameter "rmaps" (current value: <none>)
                          Default selection set of components for the
rmaps framework (<none> means "use all components that can be found")
               MCA rmaps: parameter "rmaps_round_robin_debug" (current
value: "1")
                          Toggle debug output for Round Robin RMAPS
component
               MCA rmaps: parameter "rmaps_round_robin_priority" (current
value: "1")
                          Selection priority for Round Robin RMAPS
component
                MCA rmgr: parameter "rmgr_base_verbose" (current value:
"0")
                          Verbosity level for the rmgr framework
                MCA rmgr: parameter "rmgr" (current value: <none>)
                          Default selection set of components for the rmgr
framework (<none> means "use all components that can be found")
                MCA rmgr: parameter "rmgr_proxy_priority" (current value:
"0")
                MCA rmgr: parameter "rmgr_urm_priority" (current value:
"0")
                 MCA rml: parameter "rml_base_debug" (current value: "0")
                          Verbosity level for the rml famework
                 MCA rml: parameter "rml" (current value: <none>)
                          Default selection set of components for the rml
framework (<none> means "use all components that can be found")
                 MCA rml: parameter "rml_base_verbose" (current value:
"0")
                          Verbosity level for the rml framework (0 = no
verbosity)
                 MCA rml: parameter "rml_oob_priority" (current value:
"0")
                 MCA pls: parameter "pls_base_reuse_daemons" (current
value: "0")
                          If nonzero, reuse daemons to launch dynamically
spawned processes. If zero, do not reuse daemons (default)
                 MCA pls: parameter "pls" (current value: <none>)
                          Default selection set of components for the pls
framework (<none> means "use all components that can be found")
                 MCA pls: parameter "pls_base_verbose" (current value:
"0")
                          Verbosity level for the pls framework (0 = no
verbosity)
                 MCA pls: parameter "pls_gridengine_debug" (current value:
"0")
                          Enable debugging of gridengine pls component
                 MCA pls: parameter "pls_gridengine_verbose" (current
value: "0")
                          Enable verbose output of the gridengine qrsh
-inherit command
                 MCA pls: parameter "pls_gridengine_priority" (current
value: "100")
                          Priority of the gridengine pls component
                 MCA pls: parameter "pls_gridengine_orted" (current value:
"orted")
                          The command name that the gridengine pls
component will invoke for the ORTE daemon
                 MCA pls: parameter "pls_proxy_priority" (current value:
"0")
                 MCA pls: parameter "pls_rsh_debug" (current value: "0")
                          Whether or not to enable debugging output for
the rsh pls component (0 or 1)
                 MCA pls: parameter "pls_rsh_num_concurrent" (current
value: "128")
                          How many pls_rsh_agent instances to invoke
concurrently (must be > 0)
                 MCA pls: parameter "pls_rsh_force_rsh" (current value:
"0")
                          Force the launcher to always use rsh, even for
local daemons
                 MCA pls: parameter "pls_rsh_orted" (current value:
"orted")
                          The command name that the rsh pls component will
invoke for the ORTE daemon
                 MCA pls: parameter "pls_rsh_priority" (current value:
"10")
                          Priority of the rsh pls component
                 MCA pls: parameter "pls_rsh_delay" (current value: "1")
                          Delay (in seconds) between invocations of the
remote agent, but only used when the "debug" MCA parameter is true, or the
top-level MCA debugging is enabled (otherwise this value is ignored)
                 MCA pls: parameter "pls_rsh_reap" (current value: "1")
                          If set to 1, wait for all the processes to
complete before exiting. Otherwise, quit immediately -- without waiting
for confirmation that all other processes in the job have completed.
                 MCA pls: parameter "pls_rsh_assume_same_shell" (current
value: "1")
                          If set to 1, assume that the shell on the remote
node is the same as the shell on the local node. Otherwise, probe for
what the remote shell.
                 MCA pls: parameter "pls_rsh_agent" (current value: "ssh :
rsh")
                          The command used to launch executables on remote
nodes (typically either "ssh" or "rsh")
                 MCA pls: parameter "pls_slurm_debug" (current value: "0")
                          Enable debugging of slurm pls
                 MCA pls: parameter "pls_slurm_priority" (current value:
"75")
                          Default selection priority
                 MCA pls: parameter "pls_slurm_orted" (current value:
"orted")
                          Command to use to start proxy orted
                 MCA pls: parameter "pls_slurm_args" (current value:
<none>)
                          Custom arguments to srun
                 MCA pls: parameter "pls_tm_debug" (current value: "0")
                          Enable debugging of the TM pls
                 MCA pls: parameter "pls_tm_verbose" (current value: "0")
                          Enable verbose output of the TM pls
                 MCA pls: parameter "pls_tm_priority" (current value:
"75")
                          Default selection priority
                 MCA pls: parameter "pls_tm_orted" (current value:
"orted")
                          Command to use to start proxy orted
                 MCA pls: parameter "pls_tm_want_path_check" (current
value: "1")
                          Whether the launching process should check for
the pls_tm_orted executable in the PATH before launching (the TM API does
not give an idication of failure; this is a somewhat-lame workaround;
non-zero values enable this check)
                 MCA sds: parameter "sds" (current value: <none>)
                          Default selection set of components for the sds
framework (<none> means "use all components that can be found")
                 MCA sds: parameter "sds_base_verbose" (current value:
"0")
                          Verbosity level for the sds framework (0 = no
verbosity)
                 MCA sds: parameter "sds_env_priority" (current value:
"0")
                 MCA sds: parameter "sds_pipe_priority" (current value:
"0")
                 MCA sds: parameter "sds_seed_priority" (current value:
"0")
                 MCA sds: parameter "sds_singleton_priority" (current
value: "0")
                 MCA sds: parameter "sds_slurm_priority" (current value:
"0")

Thank you,
Jeff Ceason