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From: Glenn Carver (Glenn.Carver_at_[hidden])
Date: 2007-08-02 18:22:42


Hopefully an easy question to answer... is it possible to get at the
values of mca parameters whilst a program is running? What I had in
mind was either an open-mpi function to call which would print the
current values of mca parameters or a function to call for specific
mca parameters. I don't want to interrupt the running of the
application.

Bit of background. I have a large F90 application running with
OpenMPI (as Sun Clustertools 7) on Opteron CPUs with an IB network.
We're seeing swap thrashing occurring on some of the nodes at times
and having searched the archives and read the FAQ believe we may be
seeing the problem described in:
http://www.open-mpi.org/community/lists/users/2007/01/2511.php
where the udapl free list is growing to a point where lockable memory runs out.

Problem is, I have no feel for the kinds of numbers that
"btl_udapl_free_list_max" might safely get up to? Hence the request
to print mca parameter values whilst the program is running to see if
we can tie in high values of this parameter to when we're seeing swap
thrashing.

Thanks,
                     Glenn

$ ompi_info --all
                 Open MPI: 1.2.1r14096-ct7b030r1838
    Open MPI SVN revision: 0
                 Open RTE: 1.2.1r14096-ct7b030r1838
    Open RTE SVN revision: 0
                     OPAL: 1.2.1r14096-ct7b030r1838
        OPAL SVN revision: 0
            MCA backtrace: printstack (MCA v1.0, API v1.0, Component v1.2.1)
            MCA paffinity: solaris (MCA v1.0, API v1.0, Component v1.2.1)
            MCA maffinity: first_use (MCA v1.0, API v1.0, Component v1.2.1)
                MCA timer: solaris (MCA v1.0, API v1.0, Component v1.2.1)
            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 v1.2.1)
                 MCA coll: self (MCA v1.0, API v1.0, Component v1.2.1)
                 MCA coll: sm (MCA v1.0, API v1.0, Component v1.2.1)
                 MCA coll: tuned (MCA v1.0, API v1.0, Component v1.2.1)
                   MCA io: romio (MCA v1.0, API v1.0, Component v1.2.1)
                MCA mpool: sm (MCA v1.0, API v1.0, Component v1.2.1)
                MCA mpool: udapl (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA pml: cm (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA pml: ob1 (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA bml: r2 (MCA v1.0, API v1.0, Component v1.2.1)
               MCA rcache: rb (MCA v1.0, API v1.0, Component v1.2.1)
               MCA rcache: vma (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA btl: self (MCA v1.0, API v1.0.1, Component v1.2.1)
                  MCA btl: sm (MCA v1.0, API v1.0.1, Component v1.2.1)
                  MCA btl: tcp (MCA v1.0, API v1.0.1, Component v1.0)
                  MCA btl: udapl (MCA v1.0, API v1.0, Component v1.2.1)
                 MCA topo: unity (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA osc: pt2pt (MCA v1.0, API v1.0, Component v1.2.1)
               MCA errmgr: hnp (MCA v1.0, API v1.3, Component v1.2.1)
               MCA errmgr: orted (MCA v1.0, API v1.3, Component v1.2.1)
               MCA errmgr: proxy (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA gpr: null (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA gpr: proxy (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA gpr: replica (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA iof: proxy (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA iof: svc (MCA v1.0, API v1.0, Component v1.2.1)
                   MCA ns: proxy (MCA v1.0, API v2.0, Component v1.2.1)
                   MCA ns: replica (MCA v1.0, API v2.0, Component v1.2.1)
                  MCA oob: tcp (MCA v1.0, API v1.0, Component v1.0)
                  MCA ras: dash_host (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA ras: gridengine (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA ras: localhost (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA ras: tm (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA rds: hostfile (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA rds: proxy (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA rds: resfile (MCA v1.0, API v1.3, Component v1.2.1)
                MCA rmaps: round_robin (MCA v1.0, API v1.3, Component v1.2.1)
                 MCA rmgr: proxy (MCA v1.0, API v2.0, Component v1.2.1)
                 MCA rmgr: urm (MCA v1.0, API v2.0, Component v1.2.1)
                  MCA rml: oob (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA pls: gridengine (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA pls: proxy (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA pls: rsh (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA pls: tm (MCA v1.0, API v1.3, Component v1.2.1)
                  MCA sds: env (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA sds: pipe (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA sds: seed (MCA v1.0, API v1.0, Component v1.2.1)
                  MCA sds: singleton (MCA v1.0, API v1.0, Component v1.2.1)
                   Prefix: /opt/SUNWhpc/HPC7.0
                   Bindir: /opt/SUNWhpc/HPC7.0/bin
                   Libdir: /opt/SUNWhpc/HPC7.0/lib
                   Incdir: /opt/SUNWhpc/HPC7.0/include
                Pkglibdir: /opt/SUNWhpc/HPC7.0/lib/openmpi
               Sysconfdir: /opt/SUNWhpc/HPC7.0/etc
  Configured architecture: i386-pc-solaris2.10
            Configured by: root
            Configured on: Fri Mar 30 13:40:12 EDT 2007
           Configure host: burpen-csx10-0
                 Built by: root
                 Built on: Fri Mar 30 13:57:25 EDT 2007
               Built host: burpen-csx10-0
               C bindings: yes
             C++ bindings: yes
       Fortran77 bindings: yes (all)
       Fortran90 bindings: yes
  Fortran90 bindings size: trivial
               C compiler: cc
      C compiler absolute: /ws/ompi-tools/SUNWspro/SOS11/bin/cc
              C char size: 1
              C bool size: 1
             C short size: 2
               C int size: 4
              C long size: 4
             C float size: 4
            C double size: 8
           C pointer size: 4
             C char align: 1
             C bool align: 1
              C int align: 4
            C float align: 4
           C double align: 4
             C++ compiler: CC
    C++ compiler absolute: /ws/ompi-tools/SUNWspro/SOS11/bin/CC
       Fortran77 compiler: f77
   Fortran77 compiler abs: /ws/ompi-tools/SUNWspro/SOS11/bin/f77
       Fortran90 compiler: f95
   Fortran90 compiler abs: /ws/ompi-tools/SUNWspro/SOS11/bin/f95
        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: 4
     Fort integer16 align: -1
          Fort real align: 4
         Fort real4 align: 4
         Fort real8 align: 4
        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: 4
        Fort cplx32 align: -1
              C profiling: yes
            C++ profiling: yes
      Fortran77 profiling: yes
      Fortran90 profiling: yes
           C++ exceptions: yes
           Thread support: no
             Build CFLAGS: -DNDEBUG -xtarget=opteron -xarch=sse2 -xprefetch
                           -xprefetch_level=2 -xvector=simd
-xdepend=yes -xbuiltin=%all
                           -xO5
           Build CXXFLAGS: -DNDEBUG -xtarget=opteron -xarch=sse2 -xprefetch
                           -xprefetch_level=2 -xvector=simd
-xdepend=yes -xbuiltin=%all
                           -xO5
             Build FFLAGS: -xtarget=opteron -xarch=sse2 -xprefetch
-xprefetch_level=2
                           -xvector=simd -stackvar -xO5
            Build FCFLAGS: -xtarget=opteron -xarch=sse2 -xprefetch
-xprefetch_level=2
                           -xvector=simd -stackvar -xO5
            Build LDFLAGS: -export-dynamic -R/opt/mx/lib
-R/opt/SUNWhpc/HPC7.0/lib
                           -R/opt/mx/lib/amd64 -R/opt/SUNWhpc/HPC7.0/lib/amd64
                           -R/opt/mx/lib -R/opt/SUNWhpc/HPC7.0/lib
-R/opt/mx/lib/amd64
                           -R/opt/SUNWhpc/HPC7.0/lib/amd64 -R/opt/mx/lib
                           -R/opt/SUNWhpc/HPC7.0/lib -R/opt/mx/lib/amd64
                           -R/opt/SUNWhpc/HPC7.0/lib/amd64
               Build LIBS: -lsocket -lnsl -lrt -lm
     Wrapper extra CFLAGS:
   Wrapper extra CXXFLAGS:
     Wrapper extra FFLAGS:
    Wrapper extra FCFLAGS:
    Wrapper extra LDFLAGS: -R/opt/mx/lib -R/opt/SUNWhpc/HPC7.0/lib
-R/opt/mx/lib/amd64
                           -R/opt/SUNWhpc/HPC7.0/lib/amd64
       Wrapper extra LIBS: -lsocket -lnsl -lrt -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: yes
                  MCA mca: parameter "mca_param_files" (current value:
 
"/home/nicola/.openmpi/mca-params.conf:/opt/SUNWhpc/HPC7.0/etc/openmpi-mca-params.conf")
                           Path for MCA configuration files containing
default parameter
                           values
                  MCA mca: parameter "mca_component_path" (current value:
 
"/opt/SUNWhpc/HPC7.0/lib/openmpi:/home/nicola/.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: "0")
                           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: "0")
                           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: information "mpi_abort_print_stack" (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@ : 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: "6,10,8,11")
                           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_printstack_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 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_solaris_priority"
(current value: "10")
                           Priority of the solaris paffinity component
            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 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_solaris_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: "160")
                           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_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_priority" (current value: "0")
                MCA mpool: parameter "mpool_udapl_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 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_rb_priority" (current value: "0")
               MCA rcache: parameter "rcache_vma_mru_len" (current value: "256")
                           The maximum size IN ENTRIES of the MRU
(most recently used)
                           rcache list
               MCA rcache: parameter "rcache_vma_mru_size" (current
value: "1073741824")
                           The maximum size IN BYTES of the MRU (most
recently used) rcache
                           list
               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_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: "lo")
                  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_udapl_free_list_num"
(current value: "8")
                           Initial size of free lists (must be >= 1).
                  MCA btl: parameter "btl_udapl_free_list_max"
(current value: "-1")
                           Maximum size of free lists (-1 = infinite,
otherwise must be >=
                           1).
                  MCA btl: parameter "btl_udapl_free_list_inc"
(current value: "8")
                           Increment size of free lists (must be >= 1).
                  MCA btl: parameter "btl_udapl_mpool" (current value: "udapl")
                           Name of the memory pool to be used.
                  MCA btl: parameter "btl_udapl_max_modules" (current
value: "8")
                           Maximum number of supported HCAs.
                  MCA btl: parameter "btl_udapl_num_recvs" (current value: "8")
                           Total number of receive buffers to keep
posted per endpoint
                           (must be >= 1).
                  MCA btl: parameter "btl_udapl_num_sends" (current value: "7")
                           Maximum number of sends to post on an
endpoint (must be >= 1).
                  MCA btl: parameter "btl_udapl_sr_win" (current value: "4")
                           Window size at which point an explicit
credit message will be
                           generated (must be >= 1).
                  MCA btl: parameter "btl_udapl_eager_rdma_num"
(current value: "32")
                           Number of RDMA buffers to allocate for
small messages (must be
>= 1).
                  MCA btl: parameter "btl_udapl_max_eager_rdma_peers"
(current value:
                           "16")
                           Maximum number of peers allowed to use RDMA
for short messages
                           (independently RDMA will still be used for
large messages, (must
                           be >= 0; if zero then RDMA will not be used for short
                           messages).
                  MCA btl: parameter "btl_udapl_eager_rdma_win"
(current value: "28")
                           Window size at which point an explicit
credit message will be
                           generated (must be >= 1).
                  MCA btl: parameter "btl_udapl_timeout" (current
value: "10000000")
                           Connection timeout, in microseconds.
                  MCA btl: parameter "btl_udapl_conn_priv_data"
(current value: "1")
                           Use connect private data to establish
connections (not supported
                           by all uDAPL implementations).
                  MCA btl: parameter "btl_udapl_async_events" (current
value: "100000000")
                           The asynchronous event queue will only be
checked after entering
                           progress this number of times.
                  MCA btl: parameter "btl_udapl_buffer_alignment"
(current value: "256")
                           Preferred communication buffer alignment,
in bytes (must be >=
                           1).
                  MCA btl: parameter "btl_udapl_async_evd_qlen"
(current value: "256")
                           The asynchronous event dispatcher queue length.
                  MCA btl: parameter "btl_udapl_conn_evd_qlen"
(current value: "256")
                           The connection event dispatcher queue
length is a function of
                           the number of connections expected.
                  MCA btl: parameter "btl_udapl_dto_evd_qlen" (current
value: "256")
                           The data transfer operation event
dispatcher queue length is a
                           function of the number of connections as
well as the maximum
                           number of outstanding data transfer operations.
                  MCA btl: parameter "btl_udapl_max_request_dtos"
(current value: "76")
                           Maximum number of outstanding submitted
sends and rdma
                           operations per endpoint, (see Section 6.6.6
of uDAPL Spec.).
                  MCA btl: parameter "btl_udapl_max_recv_dtos"
(current value: "8")
                           Maximum number of outstanding submitted
receive operations per
                           endpoint, (see Section 6.6.6 of uDAPL Spec.).
                  MCA btl: parameter "btl_udapl_exclusivity" (current
value: "1014")
                           uDAPL BTL exclusivity (must be >= 0).
                  MCA btl: parameter "btl_udapl_eager_limit" (current
value: "8192")
                           Eager send limit, in bytes (must be >= 1).
                  MCA btl: parameter "btl_udapl_min_send_size"
(current value: "16384")
                           Minimum send size, in bytes (must be >= 1).
                  MCA btl: parameter "btl_udapl_max_send_size"
(current value: "65536")
                           Maximum send size, in bytes (must be >= 1).
                  MCA btl: parameter "btl_udapl_min_rdma_size"
(current value: "524288")
                           Minimum RDMA size, in bytes (must be >= 1).
                  MCA btl: parameter "btl_udapl_max_rdma_size"
(current value: "131072")
                           Maximum RDMA size, in bytes (must be >= 1).
                  MCA btl: parameter "btl_udapl_flags" (current value: "2")
                           BTL flags, added together: PUT=2 (cannot be 0).
                  MCA btl: parameter "btl_udapl_bandwidth" (current
value: "225")
                           Approximate maximum bandwidth of network
(must be >= 1).
                  MCA btl: parameter "btl_udapl_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: "0")
                           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" (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_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" (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_debug" (current value: "1")
                  MCA iof: parameter "iof_proxy_priority" (current value: "0")
                  MCA iof: parameter "iof_svc_debug" (current value: "1")
                  MCA iof: parameter "iof_svc_priority" (current value: "0")
                   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_include" (current value: <none>)
                  MCA oob: parameter "oob_tcp_exclude" (current value: <none>)
                  MCA oob: parameter "oob_tcp_sndbuf" (current value: "131072")
                  MCA oob: parameter "oob_tcp_rcvbuf" (current value: "131072")
                  MCA oob: parameter "oob_tcp_connect_timeout"
(current value: "600")
                           connect() timeout in seconds, before trying
next interface
                  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 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_tm_priority" (current value: "100")
                           Priority of the tm ras component
                  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:
                           "/opt/SUNWhpc/HPC7.0/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_schedule_local"
(current value: "1")
                           If nonzero, allow scheduling MPI
applications on the same node
                           as mpirun (default). If zero, do not
schedule any MPI
                           applications on the same node as mpirun
                MCA rmaps: parameter "rmaps_base_no_oversubscribe"
(current value: "0")
                           If nonzero, 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" (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" (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" (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_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")