Hi, I have been in trouble for a year.
I run a pure MPI (no openMP) Fortran fluid dynamical code on a cluster
of server, and I obtain a strange behaviour by running the code on
multiple nodes.
The cluster is formed by 16 pc (1 pc is a node) with a dual core processor.
Basically, I'm able to run the code from the login node with the command:
mpirun --mca btl_base_verbose 100 --mca backtrace_base_verbose 100
--mca memory_base_verbose 100 --mca sysinfo_base_verbose 100 -nolocal
-hostfile ./host_file -n 10 ./zeusmp2.x >> zmp_errors 2>&1
by selecting one process per core (i.e. in this case I use 5 nodes)
The code starts, and it runs correctely for some time.
After that, an entire node (sometimes two) "disappears" and it cannot
be reached with the ssh command, which returns: No route to host.
Sometimes the node is still reachable, but the two processes that was
running on the node are disappears.
In addition, on the other nodes, the others processes are still running.
If I have a look on the output and error file of mpirun, the following
error is present: [btl_tcp_frag.c:215:mca_btl_tcp_frag_recv]
mca_btl_tcp_frag_recv: readv failed: No route to host (113)
PS: I'm not the admin of the cluster, I've installed the gcc and
openmpi on my own because the complier aviable on that machine are 8
years old.
I post here some information, if you want other info, you have only to
tell me which command I have to type on the bash and I will
immediately reply.
complier: gcc 4.7 (which was also used to compile openmpi)
openmpi version: 1.6
output of "ompi_info --all" from the node where I launch mpirun (which
is also the login node of the cluster)
Package: Open MPI and...@cloud.bo.astro.it Distribution
Open MPI: 1.6
Open MPI SVN revision: r26429
Open MPI release date: May 10, 2012
Open RTE: 1.6
Open RTE SVN revision: r26429
Open RTE release date: May 10, 2012
OPAL: 1.6
OPAL SVN revision: r26429
OPAL release date: May 10, 2012
MPI API: 2.1
Ident string: 1.6
MCA backtrace: execinfo (MCA v2.0, API v2.0, Component v1.6)
MCA memory: linux (MCA v2.0, API v2.0, Component v1.6)
MCA paffinity: hwloc (MCA v2.0, API v2.0, Component v1.6)
MCA carto: auto_detect (MCA v2.0, API v2.0, Component v1.6)
MCA carto: file (MCA v2.0, API v2.0, Component v1.6)
MCA shmem: mmap (MCA v2.0, API v2.0, Component v1.6)
MCA shmem: posix (MCA v2.0, API v2.0, Component v1.6)
MCA shmem: sysv (MCA v2.0, API v2.0, Component v1.6)
MCA maffinity: first_use (MCA v2.0, API v2.0, Component v1.6)
MCA maffinity: hwloc (MCA v2.0, API v2.0, Component v1.6)
MCA timer: linux (MCA v2.0, API v2.0, Component v1.6)
MCA installdirs: env (MCA v2.0, API v2.0, Component v1.6)
MCA installdirs: config (MCA v2.0, API v2.0, Component v1.6)
MCA sysinfo: linux (MCA v2.0, API v2.0, Component v1.6)
MCA hwloc: hwloc132 (MCA v2.0, API v2.0, Component v1.6)
MCA dpm: orte (MCA v2.0, API v2.0, Component v1.6)
MCA pubsub: orte (MCA v2.0, API v2.0, Component v1.6)
MCA allocator: basic (MCA v2.0, API v2.0, Component v1.6)
MCA allocator: bucket (MCA v2.0, API v2.0, Component v1.6)
MCA coll: basic (MCA v2.0, API v2.0, Component v1.6)
MCA coll: hierarch (MCA v2.0, API v2.0, Component v1.6)
MCA coll: inter (MCA v2.0, API v2.0, Component v1.6)
MCA coll: self (MCA v2.0, API v2.0, Component v1.6)
MCA coll: sm (MCA v2.0, API v2.0, Component v1.6)
MCA coll: sync (MCA v2.0, API v2.0, Component v1.6)
MCA coll: tuned (MCA v2.0, API v2.0, Component v1.6)
MCA io: romio (MCA v2.0, API v2.0, Component v1.6)
MCA mpool: fake (MCA v2.0, API v2.0, Component v1.6)
MCA mpool: rdma (MCA v2.0, API v2.0, Component v1.6)
MCA mpool: sm (MCA v2.0, API v2.0, Component v1.6)
MCA pml: bfo (MCA v2.0, API v2.0, Component v1.6)
MCA pml: csum (MCA v2.0, API v2.0, Component v1.6)
MCA pml: ob1 (MCA v2.0, API v2.0, Component v1.6)
MCA pml: v (MCA v2.0, API v2.0, Component v1.6)
MCA bml: r2 (MCA v2.0, API v2.0, Component v1.6)
MCA rcache: vma (MCA v2.0, API v2.0, Component v1.6)
MCA btl: self (MCA v2.0, API v2.0, Component v1.6)
MCA btl: sm (MCA v2.0, API v2.0, Component v1.6)
MCA btl: tcp (MCA v2.0, API v2.0, Component v1.6)
MCA topo: unity (MCA v2.0, API v2.0, Component v1.6)
MCA osc: pt2pt (MCA v2.0, API v2.0, Component v1.6)
MCA osc: rdma (MCA v2.0, API v2.0, Component v1.6)
MCA iof: hnp (MCA v2.0, API v2.0, Component v1.6)
MCA iof: orted (MCA v2.0, API v2.0, Component v1.6)
MCA iof: tool (MCA v2.0, API v2.0, Component v1.6)
MCA oob: tcp (MCA v2.0, API v2.0, Component v1.6)
MCA odls: default (MCA v2.0, API v2.0, Component v1.6)
MCA ras: cm (MCA v2.0, API v2.0, Component v1.6)
MCA ras: loadleveler (MCA v2.0, API v2.0, Component v1.6)
MCA ras: slurm (MCA v2.0, API v2.0, Component v1.6)
MCA rmaps: load_balance (MCA v2.0, API v2.0, Component v1.6)
MCA rmaps: rank_file (MCA v2.0, API v2.0, Component v1.6)
MCA rmaps: resilient (MCA v2.0, API v2.0, Component v1.6)
MCA rmaps: round_robin (MCA v2.0, API v2.0, Component v1.6)
MCA rmaps: seq (MCA v2.0, API v2.0, Component v1.6)
MCA rmaps: topo (MCA v2.0, API v2.0, Component v1.6)
MCA rml: oob (MCA v2.0, API v2.0, Component v1.6)
MCA routed: binomial (MCA v2.0, API v2.0, Component v1.6)
MCA routed: cm (MCA v2.0, API v2.0, Component v1.6)
MCA routed: direct (MCA v2.0, API v2.0, Component v1.6)
MCA routed: linear (MCA v2.0, API v2.0, Component v1.6)
MCA routed: radix (MCA v2.0, API v2.0, Component v1.6)
MCA routed: slave (MCA v2.0, API v2.0, Component v1.6)
MCA plm: rsh (MCA v2.0, API v2.0, Component v1.6)
MCA plm: slurm (MCA v2.0, API v2.0, Component v1.6)
MCA filem: rsh (MCA v2.0, API v2.0, Component v1.6)
MCA errmgr: default (MCA v2.0, API v2.0, Component v1.6)
MCA ess: env (MCA v2.0, API v2.0, Component v1.6)
MCA ess: hnp (MCA v2.0, API v2.0, Component v1.6)
MCA ess: singleton (MCA v2.0, API v2.0, Component v1.6)
MCA ess: slave (MCA v2.0, API v2.0, Component v1.6)
MCA ess: slurm (MCA v2.0, API v2.0, Component v1.6)
MCA ess: slurmd (MCA v2.0, API v2.0, Component v1.6)
MCA ess: tool (MCA v2.0, API v2.0, Component v1.6)
MCA grpcomm: bad (MCA v2.0, API v2.0, Component v1.6)
MCA grpcomm: basic (MCA v2.0, API v2.0, Component v1.6)
MCA grpcomm: hier (MCA v2.0, API v2.0, Component v1.6)
MCA notifier: command (MCA v2.0, API v1.0, Component v1.6)
MCA notifier: syslog (MCA v2.0, API v1.0, Component v1.6)
Prefix: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7
Exec_prefix: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7
Bindir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/bin
Sbindir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/sbin
Libdir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/lib
Incdir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/include
Mandir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/share/man
Pkglibdir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/lib/openmpi
Libexecdir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/libexec
Datarootdir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/share
Datadir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/share
Sysconfdir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/etc
Sharedstatedir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/com
Localstatedir: /home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/var
Infodir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/share/info
Pkgdatadir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/share/openmpi
Pkglibdir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/lib/openmpi
Pkgincludedir:
/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/include/openmpi
Configured architecture: x86_64-unknown-linux-gnu
Configure host: cloud.bo.astro.it
Configured by: andrea
Configured on: Tue Jul 31 10:53:46 CEST 2012
Configure host: cloud.bo.astro.it
Built by: andrea
Built on: Tue Jul 31 11:08:33 CEST 2012
Built host: cloud.bo.astro.it
C bindings: yes
C++ bindings: yes
Fortran77 bindings: yes (all)
Fortran90 bindings: yes
Fortran90 bindings size: medium
C compiler: /home/andrea/library/gcc/gcc-objects/bin/gcc
C compiler absolute:
C compiler family name: GNU
C compiler version: 4.7.1
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: /home/andrea/library/gcc/gcc-objects/bin/g++
C++ compiler absolute: none
Fortran77 compiler: /home/andrea/library/gcc/gcc-objects/bin/gfortran
Fortran77 compiler abs:
Fortran90 compiler: /home/andrea/library/gcc/gcc-objects/bin/gfortran
Fortran90 compiler abs:
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: 16
Fort dbl prec size: 8
Fort cplx size: 8
Fort dbl cplx size: 16
Fort cplx8 size: 8
Fort cplx16 size: 16
Fort cplx32 size: 32
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: 16
Fort dbl prec align: 8
Fort cplx align: 4
Fort dbl cplx align: 8
Fort cplx8 align: 4
Fort cplx16 align: 8
Fort cplx32 align: 16
C profiling: yes
C++ profiling: yes
Fortran77 profiling: yes
Fortran90 profiling: yes
C++ exceptions: no
Thread support: posix (MPI_THREAD_MULTIPLE: no, progress: no)
Sparse Groups: no
Build CFLAGS: -DNDEBUG -g -O2 -finline-functions
-fno-strict-aliasing
-pthread
Build CXXFLAGS: -O3 -DNDEBUG -finline-functions -pthread
Build FFLAGS:
Build FCFLAGS:
Build LDFLAGS: -Wl,--rpath
-Wl,/home/andrea/library/gcc/gcc-objects/lib64
Build LIBS: -lrt -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 -lm -lnuma -lrt -lnsl -lutil -lm
Internal debug support: no
MPI interface warnings: yes
MPI parameter check: runtime
Memory profiling support: no
Memory debugging support: no
libltdl support: no
Heterogeneous support: no
mpirun default --prefix: yes
MPI I/O support: yes
MPI_WTIME support: gettimeofday
Symbol vis. support: yes
Host topology support: yes
MPI extensions: affinity example
FT Checkpoint support: no (checkpoint thread: no)
VampirTrace support: yes
MPI_MAX_PROCESSOR_NAME: 256
MPI_MAX_ERROR_STRING: 256
MPI_MAX_OBJECT_NAME: 64
MPI_MAX_INFO_KEY: 36
MPI_MAX_INFO_VAL: 256
MPI_MAX_PORT_NAME: 1024
MPI_MAX_DATAREP_STRING: 128
MCA mca: parameter "mca_param_files" (current value:
</home/andrea/.openmpi/mca-params.conf:/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/etc/openmpi-mca-params.conf>,
data source: default value)
Path for MCA configuration files containing
default parameter
values
MCA mca: parameter "mca_base_param_file_prefix"
(current value: <none>,
data source: default value)
Aggregate MCA parameter file sets
MCA mca: parameter "mca_base_param_file_path" (current value:
</home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/share/openmpi/amca-param-sets:/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/bin>,
data source: default value)
Aggregate MCA parameter Search path
MCA mca: parameter "mca_base_param_file_path_force"
(current value:
<none>, data source: default value)
Forced Aggregate MCA parameter Search path
MCA mca: parameter "mca_component_path" (current value:
</home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/lib/openmpi:/home/andrea/.openmpi/components>,
data source: default value)
Path where to look for Open MPI and ORTE components
MCA mca: parameter "mca_component_show_load_errors"
(current value: <1>,
data source: default value)
Whether to show errors for components that
failed to load or
not
MCA mca: parameter "mca_component_disable_dlopen"
(current value: <0>,
data source: default value)
Whether to attempt to disable opening
dynamic components or not
MCA mca: parameter "mca_verbose" (current value:
<stderr>, data source:
default value)
Specifies where the default error output
stream goes (this is
separate from distinct help messages). Accepts a
comma-delimited list of: stderr, stdout, syslog,
syslogpri:<notice|info|debug>,
syslogid:<str> (where str is the
prefix string for all syslog notices),
file[:filename] (if
filename is not specified, a default
filename is used),
fileappend (if not specified, the file is opened for
truncation), level[:N] (if specified,
integer verbose level;
otherwise, 0 is implied)
MCA mpi: parameter "mpi_paffinity_alone" (current
value: <0>, data
source: default value, synonym of:
opal_paffinity_alone)
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_param_check" (current value:
<1>, data source:
default value)
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: <-1>, data
source: default value)
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>, data
source: default value)
How often to progress TCP communications (0
= never, otherwise
specified in microseconds)
MCA mpi: parameter "mpi_show_handle_leaks" (current
value: <0>, data
source: default value)
Whether MPI_FINALIZE shows all MPI handles
that were not freed
or not
MCA mpi: parameter "mpi_no_free_handles" (current
value: <0>, data
source: default value)
Whether to actually free MPI objects when
their handles are
freed
MCA mpi: parameter "mpi_show_mpi_alloc_mem_leaks"
(current value: <0>,
data source: default value)
If >0, MPI_FINALIZE will show up to this
many instances of
memory allocated by MPI_ALLOC_MEM that was
not freed by
MPI_FREE_MEM
MCA mpi: parameter "mpi_show_mca_params" (current
value: <none>, data
source: default value)
Whether to show all MCA parameter values
during MPI_INIT or not
(good for reproducability of MPI jobs for
debug purposes).
Accepted values are all, default, file, api,
and enviro - or a
comma delimited combination of them
MCA mpi: parameter "mpi_show_mca_params_file"
(current value: <none>,
data source: default value)
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_keep_peer_hostnames" (current
value: <1>, data
source: default value)
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>, data source:
default value)
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>, data
source: default value)
If nonzero, print out a stack trace when
MPI_ABORT is invoked
MCA mpi: parameter "mpi_preconnect_mpi" (current
value: <0>, data
source: default value, synonyms: mpi_preconnect_all)
Whether to force MPI processes to fully
wire-up the MPI
connections between MPI processes during
MPI_INIT (vs. making
connections lazily -- upon the first MPI
traffic between each
process peer pair)
MCA mpi: parameter "mpi_preconnect_all" (current
value: <0>, data
source: default value, deprecated, synonym of:
mpi_preconnect_mpi)
Whether to force MPI processes to fully
wire-up the MPI
connections between MPI processes during
MPI_INIT (vs. making
connections lazily -- upon the first MPI
traffic between each
process peer pair)
MCA mpi: parameter "mpi_leave_pinned" (current value:
<-1>, data source:
default value)
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 (0 = do not use "leave
pinned" protocol, 1
= use "leave pinned" protocol, -1 = allow
network to choose at
runtime).
MCA mpi: parameter "mpi_leave_pinned_pipeline"
(current value: <0>, data
source: default value)
Whether to use the "leave pinned pipeline"
protocol or not.
MCA mpi: parameter "mpi_warn_on_fork" (current value:
<1>, data source:
default value)
If nonzero, issue a warning if program forks
under conditions
that could cause system errors
MCA mpi: information "mpi_have_sparse_group_storage"
(value: <0>, data
source: default value)
Whether this Open MPI installation supports
storing of data in
MPI groups in "sparse" formats (good for
extremely large
process count MPI jobs that create many
communicators/groups)
MCA mpi: parameter "mpi_use_sparse_group_storage"
(current value: <0>,
data source: default value)
Whether to use "sparse" storage formats for
MPI groups (only
relevant if mpi_have_sparse_group_storage is 1)
MCA mpi: parameter "mpi_notify_init_finalize"
(current value: <1>, data
source: default value)
If nonzero, send two notifications during
MPI_INIT: one near
when MPI_INIT starts, and another right
before MPI_INIT
finishes, and send 2 notifications during
MPI_FINALIZE: one
right when MPI_FINALIZE starts, and another near when
MPI_FINALIZE finishes.
MCA orte: parameter "orte_base_help_aggregate"
(current value: <1>, data
source: default value)
If orte_base_help_aggregate is true,
duplicate help messages
will be aggregated rather than displayed
individually. This
can be helpful for parallel jobs that
experience multiple
identical failures; rather than print out
the same help/failure
message N times, display it once with a
count of how many
processes sent the same message.
MCA orte: parameter "orte_tmpdir_base" (current value:
<none>, data
source: default value)
Base of the session directory tree
MCA orte: parameter "orte_no_session_dirs" (current
value: <none>, data
source: default value)
Prohibited locations for session directories (multiple
locations separated by ',', default=NULL)
MCA orte: parameter "orte_send_profile" (current
value: <0>, data source:
default value)
Send profile info in launch message
MCA orte: parameter "orte_debug" (current value: <0>,
data source:
default value)
Top-level ORTE debug switch (default verbosity: 1)
MCA orte: parameter "orte_debug_verbose" (current
value: <-1>, data
source: default value)
Verbosity level for ORTE debug messages (default: 1)
MCA orte: parameter "orte_debug_daemons" (current
value: <0>, data
source: default value)
Whether to debug the ORTE daemons or not
MCA orte: parameter "orte_debug_daemons_file" (current
value: <0>, data
source: default value)
Whether want stdout/stderr of daemons to go
to a file or not
MCA orte: parameter "orte_daemon_bootstrap" (current
value: <0>, data
source: default value)
Bootstrap the connection to the HNP
MCA orte: parameter "orte_leave_session_attached"
(current value: <0>,
data source: default value)
Whether applications and/or daemons should
leave their sessions
attached so that any output can be received
- this allows X
forwarding without all the attendant debugging output
MCA orte: parameter "orte_output_debugger_proctable"
(current value: <0>,
data source: default value)
Whether or not to output the debugger
proctable after launch
(default: false)
MCA orte: parameter "orte_debugger_test_daemon"
(current value: <none>,
data source: default value)
Name of the executable to be used to
simulate a debugger
colaunch (relative or absolute path)
MCA orte: parameter "orte_debugger_test_attach"
(current value: <0>, data
source: default value)
Test debugger colaunch after debugger attachment
MCA orte: parameter "orte_debugger_check_rate"
(current value: <0>, data
source: default value)
Set rate (in secs) for auto-detect of
debugger attachment (0 =>
do not check)
MCA orte: parameter "orte_do_not_launch" (current
value: <0>, data
source: default value)
Perform all necessary operations to prepare
to launch the
application, but do not actually launch it
MCA orte: parameter "orte_daemon_spin" (current value:
<0>, data source:
default value)
Have any orteds spin until we can connect a
debugger to them
MCA orte: parameter "orte_daemon_fail" (current value:
<-1>, data source:
default value)
Have the specified orted fail after init for
debugging purposes
MCA orte: parameter "orte_daemon_fail_delay" (current
value: <0>, data
source: default value)
Have the specified orted fail after
specified number of seconds
(default: 0 => no delay)
MCA orte: parameter "orte_heartbeat_rate" (current
value: <0>, data
source: default value)
Seconds between checks for daemon
state-of-health (default: 0
=> do not check)
MCA orte: parameter "orte_startup_timeout" (current
value: <0>, data
source: default value)
Milliseconds/daemon to wait for startup
before declaring
failed_to_start (default: 0 => do not check)
MCA orte: parameter "orte_timing" (current value: <0>,
data source:
default value)
Request that critical timing loops be measured
MCA orte: parameter "orte_timing_details" (current
value: <0>, data
source: default value)
Request that detailed timing data by reported
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@>, data source: default value)
Sequence of user-level debuggers to search
for in orterun
MCA orte: parameter "orte_abort_timeout" (current
value: <1>, data
source: default value)
Max time to wait [in secs] before aborting
an ORTE operation
(default: 1sec)
MCA orte: parameter "orte_timeout_step" (current
value: <1000>, data
source: default value)
Time to wait [in usecs/proc] before aborting
an ORTE operation
(default: 1000 usec/proc)
MCA orte: parameter "orte_default_hostfile" (current value:
</home/andrea/library/openmpi/openmpi-1.6-gnu-4.7/etc/openmpi-default-hostfile>,
data source: default value)
Name of the default hostfile (relative or
absolute path, "none"
to ignore environmental or default MCA param setting)
MCA orte: parameter "orte_rankfile" (current value:
<none>, data source:
default value, synonyms: rmaps_rank_file_path)
Name of the rankfile to be used for mapping
processes (relative
or absolute path)
MCA orte: parameter "orte_keep_fqdn_hostnames"
(current value: <0>, data
source: default value)
Whether or not to keep FQDN hostnames [default: no]
MCA orte: parameter "orte_use_regexp" (current value:
<0>, data source:
default value)
Whether or not to use regular expressions
for launch [default:
no]
MCA orte: parameter "orte_tag_output" (current value:
<0>, data source:
default value)
Tag all output with [job,rank] (default: false)
MCA orte: parameter "orte_xml_output" (current value:
<0>, data source:
default value)
Display all output in XML format (default: false)
MCA orte: parameter "orte_xml_file" (current value:
<none>, data source:
default value)
Provide all output in XML format to the specified file
MCA orte: parameter "orte_timestamp_output" (current
value: <0>, data
source: default value)
Timestamp all application process output
(default: false)
MCA orte: parameter "orte_output_filename" (current
value: <none>, data
source: default value)
Redirect output from application processes
into filename.rank
[default: NULL]
MCA orte: parameter "orte_show_resolved_nodenames"
(current value: <0>,
data source: default value)
Display any node names that are resolved to
a different name
(default: false)
MCA orte: parameter "orte_hetero_apps" (current value:
<0>, data source:
default value)
Indicates that multiple app_contexts are
being provided that
are a mix of 32/64 bit binaries (default: false)
MCA orte: parameter "orte_launch_agent" (current
value: <orted>, data
source: default value)
Command used to start processes on remote
nodes (default:
orted)
MCA orte: parameter "orte_allocation_required"
(current value: <0>, data
source: default value)
Whether or not an allocation by a resource
manager is required
[default: no]
MCA orte: parameter "orte_xterm" (current value:
<none>, data source:
default value)
Create a new xterm window and display output
from the specified
ranks there [default: none]
MCA orte: parameter "orte_forward_job_control"
(current value: <0>, data
source: default value)
Forward SIGTSTP (after converting to
SIGSTOP) and SIGCONT
signals to the application procs [default: no]
MCA orte: parameter "orte_rsh_agent" (current value:
<ssh : rsh>, data
source: default value, synonyms:
pls_rsh_agent, plm_rsh_agent)
The command used to launch executables on remote nodes
(typically either "ssh" or "rsh")
MCA orte: parameter "orte_assume_same_shell" (current
value: <1>, data
source: default value, synonyms:
plm_rsh_assume_same_shell)
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 [default: 1]
MCA orte: parameter "orte_report_launch_progress"
(current value: <0>,
data source: default value)
Output a brief periodic report on launch
progress [default: no]
MCA orte: parameter "orte_num_boards" (current value:
<1>, data source:
default value)
Number of processor boards/node (1-256) [default: 1]
MCA orte: parameter "orte_num_sockets" (current value:
<0>, data source:
default value)
Number of sockets/board (1-256)
MCA orte: parameter "orte_num_cores" (current value:
<0>, data source:
default value)
Number of cores/socket (1-256)
MCA orte: parameter "orte_cpu_set" (current value:
<none>, data source:
default value)
Comma-separated list of ranges specifying logical cpus
allocated to this job [default: none]
MCA orte: parameter "orte_process_binding" (current
value: <none>, data
source: default value)
Policy for binding processes [none | core |
socket | board]
(supported qualifier: if-avail)
MCA orte: parameter "orte_report_bindings" (current
value: <0>, data
source: default value)
Report bindings
MCA orte: parameter "orte_report_events" (current
value: <none>, data
source: default value)
URI to which events are to be reported
(default: NULL)]
MCA opal: parameter "opal_net_private_ipv4" (current value:
<10.0.0.0/8;172.16.0.0/12;192.168.0.0/16;169.254.0.0/16>, data
source: default value)
Semicolon-delimited list of CIDR notation
entries specifying
what networks are considered "private"
(default value based on
RFC1918 and RFC3330)
MCA opal: parameter "opal_signal" (current value:
<6,7,8,11>, data
source: default value)
Comma-delimited list of integer signal
numbers to Open MPI to
attempt to intercept. Upon receipt of the
intercepted signal,
Open MPI will display a stack trace and
abort. Open MPI will
*not* replace signals if handlers are
already installed by the
time MPI_INIT is invoked. Optionally append
":complain" to any
signal number in the comma-delimited list to
make Open MPI
complain if it detects another signal
handler (and therefore
does not insert its own).
MCA opal: parameter "opal_profile" (current value:
<0>, data source:
default value)
Set to non-zero to profile component selections
MCA opal: parameter "opal_profile_file" (current
value: <none>, data
source: default value)
Name of the file containing the cluster configuration
information
MCA opal: parameter "opal_paffinity_alone" (current
value: <0>, data
source: default value, synonyms: mpi_paffinity_alone)
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 opal: parameter "opal_set_max_sys_limits" (current
value: <0>, data
source: default value)
Set to non-zero to automatically set any
system-imposed limits
to the maximum allowed
MCA opal: parameter "opal_event_include" (current
value: <poll>, data
source: default value)
Comma-delimited list of libevent subsystems
to use (epoll,
poll, select -- available on your platform)
MCA backtrace: parameter "backtrace" (current value:
<none>, data source:
default value)
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>, data
source: default value)
Verbosity level for the backtrace framework
(0 = no verbosity)
MCA backtrace: parameter "backtrace_execinfo_priority"
(current value: <0>,
data source: default value)
MCA memchecker: parameter "memchecker" (current value:
<none>, data source:
default value)
Default selection set of components for the memchecker
framework (<none> means use all components
that can be found)
MCA memory: parameter "memory" (current value: <none>,
data source: default
value)
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>, data
source: default value)
Verbosity level for the memory framework (0
= no verbosity)
MCA memory: information
"memory_linux_ptmalloc2_available" (value: <1>,
data source: default value)
Whether ptmalloc2 support is included in
Open MPI or not (1 =
yes, 0 = no)
MCA memory: information
"memory_linux_ummunotify_available" (value: <0>,
data source: default value)
Whether ummunotify support is included in
Open MPI or not (1 =
yes, 0 = no)
MCA memory: parameter "memory_linux_ptmalloc2_enable"
(current value: <-1>,
data source: default value)
Whether to enable ptmalloc2 support or not
(negative = try to
enable, but continue even if support is not
available, 0 = do
not enable support, positive = try to enable
and fail if
support is not available)
MCA memory: parameter "memory_linux_ummunotify_enable"
(current value:
<-1>, data source: default value)
Whether to enable ummunotify support or not
(negative = try to
enable, but continue even if support is not
available, 0 = do
not enable support, positive = try to enable
and fail if
support is not available)
MCA memory: parameter "memory_linux_disable" (current
value: <0>, data
source: default value)
If this MCA parameter is set to 1 **VIA
ENVIRONMENT VARIABLE
ONLY*** (this MCA parameter *CANNOT* be set
in a file or on the
mpirun command line!), this component will
be disabled and will
not attempt to use either ummunotify or
memory hook support
MCA memory: parameter "memory_linux_priority" (current
value: <0>, data
source: default value)
MCA paffinity: parameter "paffinity_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level of the paffinity framework
MCA paffinity: parameter "paffinity" (current value:
<none>, data source:
default value)
Default selection set of components for the
paffinity framework
(<none> means use all components that can be found)
MCA paffinity: parameter "paffinity_hwloc_priority"
(current value: <40>, data
source: default value)
Priority of the hwloc paffinity component
MCA carto: parameter "carto_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level of the carto framework
MCA carto: parameter "carto" (current value: <none>,
data source: default
value)
Default selection set of components for the
carto framework
(<none> means use all components that can be found)
MCA carto: parameter "carto_auto_detect_priority"
(current value: <11>,
data source: default value)
Priority of the auto_detect carto component
MCA carto: parameter "carto_file_path" (current value:
<none>, data
source: default value)
The path to the cartography file
MCA carto: parameter "carto_file_priority" (current
value: <10>, data
source: default value)
Priority of the file carto component
MCA shmem: parameter "shmem_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level of the shmem framework
MCA shmem: parameter "shmem" (current value: <none>,
data source: default
value)
Default selection set of components for the
shmem framework
(<none> means use all components that can be found)
MCA shmem: parameter "shmem_mmap_enable_nfs_warning"
(current value: <1>,
data source: default value)
Enable the warning emitted when Open MPI
detects that its
shared memory backing file is located on a
network filesystem
(1 = enabled, 0 = disabled).
MCA shmem: parameter "shmem_mmap_priority" (current
value: <50>, data
source: default value)
Priority of the mmap shmem component
MCA shmem: parameter "shmem_mmap_relocate_backing_file"
(current value:
<0>, data source: default value)
Whether to change the default placement of
backing files or not
(Negative = try to relocate backing files to
an area rooted at
the path specified by
shmem_mmap_opal_shmem_mmap_backing_file_base_dir, but continue
with the default path if the relocation
fails, 0 = do not
relocate, Positive = same as the negative
option, but will fail
if the relocation fails.
MCA shmem: parameter "shmem_mmap_backing_file_base_dir"
(current value:
</dev/shm>, data source: default value)
Specifies where backing files will be created when
shmem_mmap_relocate_backing_file is in use.
MCA shmem: parameter "shmem_posix_priority" (current
value: <40>, data
source: default value)
Priority of the posix shmem component
MCA shmem: parameter "shmem_sysv_priority" (current
value: <30>, data
source: default value)
Priority of the sysv shmem component
MCA maffinity: parameter "maffinity_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level of the maffinity framework
MCA maffinity: parameter "maffinity" (current value:
<none>, data source:
default value)
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>,
data source: default value)
Priority of the first_use maffinity component
MCA maffinity: parameter "maffinity_hwloc_priority"
(current value: <40>, data
source: default value)
Priority of the hwloc maffinity component
MCA timer: parameter "timer" (current value: <none>,
data source: default
value)
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>, data
source: default value)
Verbosity level for the timer framework (0 =
no verbosity)
MCA timer: parameter "timer_linux_priority" (current
value: <0>, data
source: default value)
MCA sysinfo: parameter "sysinfo" (current value: <none>,
data source:
default value)
Default selection set of components for the
sysinfo framework
(<none> means use all components that can be found)
MCA sysinfo: parameter "sysinfo_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the sysinfo framework (0
= no verbosity)
MCA sysinfo: parameter "sysinfo_linux_priority" (current
value: <0>, data
source: default value)
MCA hwloc: parameter "hwloc_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level of the hwloc framework
MCA hwloc: parameter "hwloc_base_mem_alloc_policy"
(current value: <none>,
data source: default value)
Policy that determines how general memory
allocations are bound
after MPI_INIT. A value of "none" means
that no memory policy
is applied. A value of "local_only" means
that all memory
allocations will be restricted to the local
NUMA node where
each process is placed. Note that operating
system paging
policies are unaffected by this setting.
For example, if
"local_only" is used and local NUMA node
memory is exhausted, a
new memory allocation may cause paging.
MCA hwloc: parameter
"hwloc_base_mem_bind_failure_action" (current value:
<error>, data source: default value)
What Open MPI will do if it explicitly tries
to bind memory to
a specific NUMA location, and fails. Note
that this is a
different case than the general allocation
policy described by
hwloc_base_alloc_policy. A value of "warn"
means that Open MPI
will warn the first time this happens, but
allow the job to
continue (possibly with degraded
performance). A value of
"error" means that Open MPI will abort the
job if this happens.
MCA hwloc: parameter "hwloc" (current value: <none>,
data source: default
value)
Default selection set of components for the
hwloc framework
(<none> means use all components that can be found)
MCA hwloc: parameter "hwloc_hwloc132_priority" (current
value: <0>, data
source: default value)
MCA dpm: parameter "dpm" (current value: <none>, data
source: default
value)
Default selection set of components for the
dpm framework
(<none> means use all components that can be found)
MCA dpm: parameter "dpm_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level for the dpm framework (0 =
no verbosity)
MCA dpm: parameter "dpm_orte_priority" (current
value: <0>, data source:
default value)
MCA pubsub: parameter "pubsub" (current value: <none>,
data source: default
value)
Default selection set of components for the
pubsub framework
(<none> means use all components that can be found)
MCA pubsub: parameter "pubsub_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the pubsub framework (0
= no verbosity)
MCA pubsub: parameter "pubsub_orte_priority" (current
value: <50>, data
source: default value)
Priority of the pubsub pmi component
MCA allocator: parameter "allocator" (current value:
<none>, data source:
default value)
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>, data
source: default value)
Verbosity level for the allocator framework
(0 = no verbosity)
MCA allocator: parameter "allocator_basic_priority"
(current value: <0>, data
source: default value)
MCA allocator: parameter "allocator_bucket_num_buckets"
(current value: <30>,
data source: default value)
MCA allocator: parameter "allocator_bucket_priority"
(current value: <0>, data
source: default value)
MCA coll: parameter "coll" (current value: <none>,
data source: default
value)
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>, data source:
default value)
Verbosity level for the coll framework (0 =
no verbosity)
MCA coll: parameter "coll_basic_priority" (current
value: <10>, data
source: default value)
Priority of the basic coll component
MCA coll: parameter "coll_basic_crossover" (current
value: <4>, data
source: default value)
Minimum number of processes in a
communicator before using the
logarithmic algorithms
MCA coll: parameter "coll_hierarch_priority" (current
value: <0>, data
source: default value)
Priority of the hierarchical coll component
MCA coll: parameter "coll_hierarch_verbose" (current
value: <0>, data
source: default value)
Turn verbose message of the hierarchical
coll component on/off
MCA coll: parameter "coll_hierarch_use_rdma" (current
value: <0>, data
source: default value)
Switch from the send btl list used to detect
hierarchies to the
rdma btl list
MCA coll: parameter "coll_hierarch_ignore_sm" (current
value: <0>, data
source: default value)
Ignore sm protocol when detecting
hierarchies. Required to
enable the usage of protocol specific
collective operations
MCA coll: parameter "coll_hierarch_detection_alg"
(current value: <2>,
data source: default value)
Used to specify the algorithm for detecting
Hierarchy.Choose
between all or two levels of hierarchy
MCA coll: parameter "coll_hierarch_bcast_alg" (current
value: <4>, data
source: default value)
Used to specify the algorithm used for bcast
operations.
MCA coll: parameter "coll_hierarch_segment_size"
(current value: <32768>,
data source: default value)
Used to specify the segment size for
segmented algorithms.
MCA coll: parameter "coll_inter_priority" (current
value: <40>, data
source: default value)
Priority of the inter coll component
MCA coll: parameter "coll_inter_verbose" (current
value: <0>, data
source: default value)
Turn verbose message of the inter coll
component on/off
MCA coll: parameter "coll_self_priority" (current
value: <75>, data
source: default value)
MCA coll: parameter "coll_sm_priority" (current value:
<0>, data source:
default value)
Priority of the sm coll component
MCA coll: parameter "coll_sm_control_size" (current
value: <4096>, data
source: default value)
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_fragment_size" (current
value: <8192>, data
source: default value)
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_comm_in_use_flags"
(current value: <2>, data
source: default value)
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>, data
source: default value)
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>, data
source: default value)
Degree of the tree for tree-based operations
(must be => 1 and
<= min(control_size, 255))
MCA coll: parameter "coll_sm_info_num_procs" (current
value: <4>, data
source: default value)
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>,
data source: default value)
Amount of shared memory used, per
communicator, in the shared
memory data area for info_num_procs
processes (in bytes)
MCA coll: parameter "coll_sync_priority" (current
value: <50>, data
source: default value)
Priority of the sync coll component; only relevant if
barrier_before or barrier_after is > 0
MCA coll: parameter "coll_sync_barrier_before"
(current value: <1000>,
data source: default value)
Do a synchronization before each Nth collective
MCA coll: parameter "coll_sync_barrier_after" (current
value: <0>, data
source: default value)
Do a synchronization after each Nth collective
MCA coll: parameter "coll_tuned_priority" (current
value: <30>, data
source: default value)
Priority of the tuned coll component
MCA coll: parameter
"coll_tuned_pre_allocate_memory_comm_size_limit"
(current value: <32768>, data source: default value)
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>,
data source: default value)
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>,
data source: default value)
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>,
data source: default value)
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>,
data source: default value)
Initial MPI-2 IO request freelist size
MCA io: parameter "io_base_freelist_max_size"
(current value: <64>,
data source: default value)
Max size of the MPI-2 IO request freelist
MCA io: parameter "io_base_freelist_increment"
(current value: <16>,
data source: default value)
Increment size of the MPI-2 IO request freelist
MCA io: parameter "io" (current value: <none>, data
source: default
value)
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>, data source:
default value)
Verbosity level for the io framework (0 = no
verbosity)
MCA io: parameter "io_romio_priority" (current
value: <10>, data
source: default value)
Priority of the io romio component
MCA io: parameter "io_romio_delete_priority"
(current value: <10>, data
source: default value)
Delete priority of the io romio component
MCA io: information "io_romio_version" (value: <from
MPICH2 v1.3.1 with
an additional patch from
romio-ma...@mcs.anl.gov about an
attribute issue>, data source: default value)
Version of ROMIO
MCA io: information "io_romio_user_configure_params"
(value: <none>,
data source: default value)
User-specified command line parameters
passed to ROMIO's
configure script
MCA io: information
"io_romio_complete_configure_params" (value: <
CFLAGS='-DNDEBUG -g -O2 -finline-functions
-fno-strict-aliasing
-pthread' CPPFLAGS='
-I/home/andrea/library/openmpi/openmpi-1.6/opal/mca/hwloc/hwloc132/hwloc/include
-I/usr/include/infiniband -I/usr/include/infiniband'
FFLAGS='' LDFLAGS='-Wl,--rpath
-Wl,/home/andrea/library/gcc/gcc-objects/lib64 '
--enable-shared --enable-static
--prefix=/home/andrea/library/openmpi/openmpi-1.6-gnu-4.7
--with-mpi=open_mpi --disable-aio>, data
source: default value)
Complete set of command line parameters
passed to ROMIO's
configure script
MCA mpool: parameter "mpool" (current value: <none>,
data source: default
value)
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>, data
source: default value)
Verbosity level for the mpool framework (0 =
no verbosity)
MCA mpool: parameter "mpool_fake_priority" (current
value: <0>, data
source: default value)
MCA mpool: parameter "mpool_rdma_rcache_name" (current
value: <vma>, data
source: default value)
The name of the registration cache the mpool
should use
MCA mpool: parameter "mpool_rdma_rcache_size_limit"
(current value: <0>,
data source: default value)
the maximum size of registration cache in
bytes. 0 is unlimited
(default 0)
MCA mpool: parameter "mpool_rdma_print_stats" (current
value: <0>, data
source: default value)
print pool usage statistics at the end of the run
MCA mpool: parameter "mpool_rdma_priority" (current
value: <0>, data
source: default value)
MCA mpool: parameter "mpool_sm_allocator" (current
value: <bucket>, data
source: default value)
Name of allocator component to use with sm mpool
MCA mpool: parameter "mpool_sm_min_size" (current
value: <67108864>, data
source: default value)
Minimum size of the sm mpool shared memory file
MCA mpool: parameter "mpool_sm_verbose" (current value:
<0>, data source:
default value)
Enable verbose output for mpool sm component
MCA mpool: parameter "mpool_sm_priority" (current
value: <0>, data source:
default value)
MCA pml: parameter "pml_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level of the PML framework
MCA pml: parameter "pml" (current value: <none>, data
source: default
value)
Default selection set of components for the
pml framework
(<none> means use all components that can be found)
MCA pml: parameter "pml_bfo_verbose" (current value:
<0>, data source:
default value)
MCA pml: parameter "pml_bfo_free_list_num" (current
value: <4>, data
source: default value)
MCA pml: parameter "pml_bfo_free_list_max" (current
value: <-1>, data
source: default value)
MCA pml: parameter "pml_bfo_free_list_inc" (current
value: <64>, data
source: default value)
MCA pml: parameter "pml_bfo_priority" (current value:
<5>, data source:
default value)
MCA pml: parameter "pml_bfo_send_pipeline_depth"
(current value: <3>,
data source: default value)
MCA pml: parameter "pml_bfo_recv_pipeline_depth"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_bfo_rdma_put_retries_limit"
(current value: <5>,
data source: default value)
MCA pml: parameter "pml_bfo_max_rdma_per_request"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_bfo_max_send_per_range"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_bfo_unexpected_limit"
(current value: <128>,
data source: default value)
MCA pml: parameter "pml_bfo_allocator" (current
value: <bucket>, data
source: default value)
Name of allocator component for unexpected messages
MCA pml: parameter "pml_cm_free_list_num" (current
value: <4>, data
source: default value)
Initial size of request free lists
MCA pml: parameter "pml_cm_free_list_max" (current
value: <-1>, data
source: default value)
Maximum size of request free lists
MCA pml: parameter "pml_cm_free_list_inc" (current
value: <64>, data
source: default value)
Number of elements to add when growing
request free lists
MCA pml: parameter "pml_cm_priority" (current value:
<10>, data source:
default value)
CM PML selection priority
MCA pml: parameter "pml_csum_free_list_num" (current
value: <4>, data
source: default value)
MCA pml: parameter "pml_csum_free_list_max" (current
value: <-1>, data
source: default value)
MCA pml: parameter "pml_csum_free_list_inc" (current
value: <64>, data
source: default value)
MCA pml: parameter "pml_csum_send_pipeline_depth"
(current value: <3>,
data source: default value)
MCA pml: parameter "pml_csum_recv_pipeline_depth"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_csum_rdma_put_retries_limit"
(current value:
<5>, data source: default value)
MCA pml: parameter "pml_csum_max_rdma_per_request"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_csum_max_send_per_range"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_csum_unexpected_limit"
(current value: <128>,
data source: default value)
MCA pml: parameter "pml_csum_allocator" (current
value: <bucket>, data
source: default value)
Name of allocator component for unexpected messages
MCA pml: parameter "pml_csum_priority" (current
value: <0>, data source:
default value)
MCA pml: parameter "pml_ob1_free_list_num" (current
value: <4>, data
source: default value)
MCA pml: parameter "pml_ob1_free_list_max" (current
value: <-1>, data
source: default value)
MCA pml: parameter "pml_ob1_free_list_inc" (current
value: <64>, data
source: default value)
MCA pml: parameter "pml_ob1_priority" (current value:
<20>, data source:
default value)
MCA pml: parameter "pml_ob1_send_pipeline_depth"
(current value: <3>,
data source: default value)
MCA pml: parameter "pml_ob1_recv_pipeline_depth"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_ob1_rdma_put_retries_limit"
(current value: <5>,
data source: default value)
MCA pml: parameter "pml_ob1_max_rdma_per_request"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_ob1_max_send_per_range"
(current value: <4>,
data source: default value)
MCA pml: parameter "pml_ob1_unexpected_limit"
(current value: <128>,
data source: default value)
MCA pml: parameter "pml_ob1_allocator" (current
value: <bucket>, data
source: default value)
Name of allocator component for unexpected messages
MCA pml: parameter "pml_v_priority" (current value:
<-1>, data source:
default value)
MCA pml: parameter "pml_v_output" (current value:
<stderr>, data source:
default value)
MCA pml: parameter "pml_v_verbose" (current value:
<0>, data source:
default value)
MCA bml: parameter "bml" (current value: <none>, data
source: default
value)
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>, data source:
default value)
Verbosity level for the bml framework (0 =
no verbosity)
MCA bml: parameter "bml_r2_show_unreach_errors"
(current value: <1>,
data source: default value)
Show error message when procs are unreachable
MCA bml: parameter "bml_r2_priority" (current value:
<0>, data source:
default value)
MCA rcache: parameter "rcache" (current value: <none>,
data source: default
value)
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>, data
source: default value)
Verbosity level for the rcache framework (0
= no verbosity)
MCA rcache: parameter "rcache_vma_priority" (current
value: <0>, data
source: default value)
MCA btl: parameter "btl_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level of the BTL framework
MCA btl: parameter "btl" (current value: <none>, data
source: default
value)
Default selection set of components for the
btl framework
(<none> means use all components that can be found)
MCA btl: parameter "btl_self_free_list_num" (current
value: <0>, data
source: default value)
Number of fragments by default
MCA btl: parameter "btl_self_free_list_max" (current
value: <-1>, data
source: default value)
Maximum number of fragments
MCA btl: parameter "btl_self_free_list_inc" (current
value: <32>, data
source: default value)
Increment by this number of fragments
MCA btl: parameter "btl_self_exclusivity" (current
value: <65536>, data
source: default value)
BTL exclusivity (must be >= 0)
MCA btl: parameter "btl_self_flags" (current value:
<10>, data source:
default value)
BTL bit flags (general flags: SEND=1, PUT=2, GET=4,
SEND_INPLACE=8, RDMA_MATCHED=64,
HETEROGENEOUS_RDMA=256; flags
only used by the "dr" PML (ignored by others): ACK=16,
CHECKSUM=32, RDMA_COMPLETION=128; flags only
used by the "bfo"
PML (ignored by others): FAILOVER_SUPPORT=512)
MCA btl: parameter "btl_self_rndv_eager_limit"
(current value: <131072>,
data source: default value)
Size (in bytes) of "phase 1" fragment sent
for all large
messages (must be >= 0 and <= eager_limit)
MCA btl: parameter "btl_self_eager_limit" (current
value: <131072>, data
source: default value)
Maximum size (in bytes) of "short" messages
(must be >= 1).
MCA btl: parameter "btl_self_max_send_size" (current
value: <262144>,
data source: default value)
Maximum size (in bytes) of a single "phase
2" fragment of a
long message when using the pipeline
protocol (must be >= 1)
MCA btl: parameter
"btl_self_rdma_pipeline_send_length" (current value:
<2147483647>, data source: default value)
Length of the "phase 2" portion of a large
message (in bytes)
when using the pipeline protocol. This part
of the message
will be split into fragments of size
max_send_size and sent
using send/receive semantics (must be >= 0;
only relevant when
the PUT flag is set)
MCA btl: parameter "btl_self_rdma_pipeline_frag_size"
(current value:
<2147483647>, data source: default value)
Maximum size (in bytes) of a single "phase
3" fragment from a
long message when using the pipeline
protocol. These fragments
will be sent using RDMA semantics (must be
>= 1; only relevant
when the PUT flag is set)
MCA btl: parameter "btl_self_min_rdma_pipeline_size"
(current value:
<0>, data source: default value)
Messages smaller than this size (in bytes)
will not use the
RDMA pipeline protocol. Instead, they will
be split into
fragments of max_send_size and sent using send/receive
semantics (must be >=0, and is automatically
adjusted up to at
least
(eager_limit+btl_rdma_pipeline_send_length); only
relevant when the PUT flag is set)
MCA btl: parameter "btl_self_bandwidth" (current
value: <100>, data
source: default value)
Approximate maximum bandwidth of
interconnect(0 = auto-detect
value at run-time [not supported in all BTL
modules], >= 1 =
bandwidth in Mbps)
MCA btl: parameter "btl_self_latency" (current value:
<0>, data source:
default value)
Approximate latency of interconnect (must be >= 0)
MCA btl: parameter "btl_self_priority" (current
value: <0>, data source:
default value)
MCA btl: information "btl_sm_have_knem_support"
(value: <0>, data
source: default value)
Whether this component supports the knem
Linux kernel module or
not
MCA btl: parameter "btl_sm_use_knem" (current value:
<0>, data source:
default value)
Whether knem support is desired or not
(negative = try to
enable knem support, but continue even if it
is not available,
0 = do not enable knem support, positive =
try to enable knem
support and fail if it is not available)
MCA btl: parameter "btl_sm_knem_dma_min" (current
value: <0>, data
source: default value)
Minimum message size (in bytes) to use the
knem DMA mode;
ignored if knem does not support DMA mode (0
= do not use the
knem DMA mode)
MCA btl: parameter "btl_sm_knem_max_simultaneous"
(current value: <0>,
data source: default value)
Max number of simultaneous ongoing knem
operations to support
(0 = do everything synchronously, which
probably gives the best
large message latency; >0 means to do all operations
asynchronously, which supports better
overlap for simultaneous
large message sends)
MCA btl: parameter "btl_sm_free_list_num" (current
value: <8>, data
source: default value)
MCA btl: parameter "btl_sm_free_list_max" (current
value: <-1>, data
source: default value)
MCA btl: parameter "btl_sm_free_list_inc" (current
value: <64>, data
source: default value)
MCA btl: parameter "btl_sm_max_procs" (current value:
<-1>, data source:
default value)
MCA btl: parameter "btl_sm_mpool" (current value:
<sm>, data source:
default value)
MCA btl: parameter "btl_sm_fifo_size" (current value:
<4096>, data
source: default value)
MCA btl: parameter "btl_sm_num_fifos" (current value:
<1>, data source:
default value)
MCA btl: parameter "btl_sm_fifo_lazy_free" (current
value: <120>, data
source: default value)
MCA btl: parameter "btl_sm_sm_extra_procs" (current
value: <0>, data
source: default value)
MCA btl: parameter "btl_sm_exclusivity" (current
value: <65535>, data
source: default value)
BTL exclusivity (must be >= 0)
MCA btl: parameter "btl_sm_flags" (current value:
<1>, data source:
default value)
BTL bit flags (general flags: SEND=1, PUT=2, GET=4,
SEND_INPLACE=8, RDMA_MATCHED=64,
HETEROGENEOUS_RDMA=256; flags
only used by the "dr" PML (ignored by others): ACK=16,
CHECKSUM=32, RDMA_COMPLETION=128; flags only
used by the "bfo"
PML (ignored by others): FAILOVER_SUPPORT=512)
MCA btl: parameter "btl_sm_rndv_eager_limit" (current
value: <4096>,
data source: default value)
Size (in bytes) of "phase 1" fragment sent
for all large
messages (must be >= 0 and <= eager_limit)
MCA btl: parameter "btl_sm_eager_limit" (current
value: <4096>, data
source: default value)
Maximum size (in bytes) of "short" messages
(must be >= 1).
MCA btl: parameter "btl_sm_max_send_size" (current
value: <32768>, data
source: default value)
Maximum size (in bytes) of a single "phase
2" fragment of a
long message when using the pipeline
protocol (must be >= 1)
MCA btl: parameter "btl_sm_bandwidth" (current value:
<9000>, data
source: default value)
Approximate maximum bandwidth of
interconnect(0 = auto-detect
value at run-time [not supported in all BTL
modules], >= 1 =
bandwidth in Mbps)
MCA btl: parameter "btl_sm_latency" (current value:
<1>, data source:
default value)
Approximate latency of interconnect (must be >= 0)
MCA btl: parameter "btl_sm_priority" (current value:
<0>, data source:
default value)
MCA btl: parameter "btl_tcp_links" (current value:
<1>, data source:
default value)
MCA btl: parameter "btl_tcp_if_include" (current
value: <none>, data
source: default value)
Comma-delimited list of devices or CIDR
notation of networks to
use for MPI communication (e.g., "eth0,eth1" or
"192.168.0.0/16,10.1.4.0/24"). Mutually
exclusive with
btl_tcp_if_exclude.
MCA btl: parameter "btl_tcp_if_exclude" (current
value: <lo,sppp>, data
source: default value)
Comma-delimited list of devices or CIDR
notation of networks to
NOT use for MPI communication -- all devices
not matching these
specifications will be used (e.g., "eth0,eth1" or
"192.168.0.0/16,10.1.4.0/24"). Mutually
exclusive with
btl_tcp_if_include.
MCA btl: parameter "btl_tcp_free_list_num" (current
value: <8>, data
source: default value)
MCA btl: parameter "btl_tcp_free_list_max" (current
value: <-1>, data
source: default value)
MCA btl: parameter "btl_tcp_free_list_inc" (current
value: <32>, data
source: default value)
MCA btl: parameter "btl_tcp_sndbuf" (current value:
<131072>, data
source: default value)
MCA btl: parameter "btl_tcp_rcvbuf" (current value:
<131072>, data
source: default value)
MCA btl: parameter "btl_tcp_endpoint_cache" (current
value: <30720>,
data source: default value)
The size of the internal cache for each TCP
connection. This
cache is used to reduce the number of
syscalls, by replacing
them with memcpy. Every read will read the
expected data plus
the amount of the endpoint_cache
MCA btl: parameter "btl_tcp_use_nagle" (current
value: <0>, data source:
default value)
Whether to use Nagle's algorithm or not (using Nagle's
algorithm may increase short message latency)
MCA btl: parameter "btl_tcp_port_min_v4" (current
value: <1024>, data
source: default value)
The minimum port where the TCP BTL will try
to bind (default
1024)
MCA btl: parameter "btl_tcp_port_range_v4" (current
value: <64511>, data
source: default value)
The number of ports where the TCP BTL will
try to bind (default
64511). This parameter together with the
port min, define a
range of ports where Open MPI will open sockets.
MCA btl: parameter "btl_tcp_exclusivity" (current
value: <100>, data
source: default value)
BTL exclusivity (must be >= 0)
MCA btl: parameter "btl_tcp_flags" (current value:
<314>, data source:
default value)
BTL bit flags (general flags: SEND=1, PUT=2, GET=4,
SEND_INPLACE=8, RDMA_MATCHED=64,
HETEROGENEOUS_RDMA=256; flags
only used by the "dr" PML (ignored by others): ACK=16,
CHECKSUM=32, RDMA_COMPLETION=128; flags only
used by the "bfo"
PML (ignored by others): FAILOVER_SUPPORT=512)
MCA btl: parameter "btl_tcp_rndv_eager_limit"
(current value: <65536>,
data source: default value)
Size (in bytes) of "phase 1" fragment sent
for all large
messages (must be >= 0 and <= eager_limit)
MCA btl: parameter "btl_tcp_eager_limit" (current
value: <65536>, data
source: default value)
Maximum size (in bytes) of "short" messages
(must be >= 1).
MCA btl: parameter "btl_tcp_max_send_size" (current
value: <131072>,
data source: default value)
Maximum size (in bytes) of a single "phase
2" fragment of a
long message when using the pipeline
protocol (must be >= 1)
MCA btl: parameter
"btl_tcp_rdma_pipeline_send_length" (current value:
<131072>, data source: default value)
Length of the "phase 2" portion of a large
message (in bytes)
when using the pipeline protocol. This part
of the message
will be split into fragments of size
max_send_size and sent
using send/receive semantics (must be >= 0;
only relevant when
the PUT flag is set)
MCA btl: parameter "btl_tcp_rdma_pipeline_frag_size"
(current value:
<2147483647>, data source: default value)
Maximum size (in bytes) of a single "phase
3" fragment from a
long message when using the pipeline
protocol. These fragments
will be sent using RDMA semantics (must be
>= 1; only relevant
when the PUT flag is set)
MCA btl: parameter "btl_tcp_min_rdma_pipeline_size"
(current value: <0>,
data source: default value)
Messages smaller than this size (in bytes)
will not use the
RDMA pipeline protocol. Instead, they will
be split into
fragments of max_send_size and sent using send/receive
semantics (must be >=0, and is automatically
adjusted up to at
least
(eager_limit+btl_rdma_pipeline_send_length); only
relevant when the PUT flag is set)
MCA btl: parameter "btl_tcp_bandwidth" (current
value: <100>, data
source: default value)
Approximate maximum bandwidth of
interconnect(0 = auto-detect
value at run-time [not supported in all BTL
modules], >= 1 =
bandwidth in Mbps)
MCA btl: parameter "btl_tcp_latency" (current value:
<100>, data source:
default value)
Approximate latency of interconnect (must be >= 0)
MCA btl: parameter "btl_tcp_disable_family" (current
value: <0>, data
source: default value)
MCA btl: parameter "btl_tcp_if_seq" (current value:
<none>, data source:
default value)
If specified, a comma-delimited list of TCP
interfaces.
Interfaces will be assigned, one to each MPI
process, in a
round-robin fashion on each server. For
example, if the list
is "eth0,eth1" and four MPI processes are
run on a single
server, then local ranks 0 and 2 will use
eth0 and local ranks
1 and 3 will use eth1.
MCA btl: parameter "btl_tcp_priority" (current value:
<0>, data source:
default value)
MCA btl: parameter "btl_base_include" (current value:
<none>, data
source: default value)
MCA btl: parameter "btl_base_exclude" (current value:
<none>, data
source: default value)
MCA btl: parameter "btl_base_warn_component_unused"
(current value: <1>,
data source: default value)
This parameter is used to turn on warning
messages when certain
NICs are not used
MCA mtl: parameter "mtl" (current value: <none>, data
source: default
value)
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>, data source:
default value)
Verbosity level for the mtl framework (0 =
no verbosity)
MCA topo: parameter "topo" (current value: <none>,
data source: default
value)
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>, data source:
default value)
Verbosity level for the topo framework (0 =
no verbosity)
MCA topo: parameter "topo_unity_priority" (current
value: <0>, data
source: default value)
MCA osc: parameter "osc" (current value: <none>, data
source: default
value)
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>, data source:
default value)
Verbosity level for the osc framework (0 =
no verbosity)
MCA osc: parameter "osc_pt2pt_no_locks" (current
value: <0>, data
source: default value)
Enable optimizations available only if
MPI_LOCK is not used.
MCA osc: parameter "osc_pt2pt_eager_limit" (current
value: <16384>, data
source: default value)
Max size of eagerly sent data
MCA osc: parameter "osc_pt2pt_priority" (current
value: <0>, data
source: default value)
MCA osc: parameter "osc_rdma_eager_send" (current
value: <1>, data
source: default value)
Attempt to start data movement during
communication call,
instead of at synchrnoization time. Info
key of same name
overrides this value.
MCA osc: parameter "osc_rdma_use_buffers" (current
value: <1>, data
source: default value)
Coalesce messages during an epoch to reduce network
utilization. Info key of same name
overrides this value.
MCA osc: parameter "osc_rdma_use_rdma" (current
value: <0>, data source:
default value)
Use real RDMA operations to transfer data.
Info key of same
name overrides this value.
MCA osc: parameter "osc_rdma_rdma_completion_wait"
(current value: <1>,
data source: default value)
Wait for all completion of rdma events before sending
acknowledgment. Info key of same name
overrides this value.
MCA osc: parameter "osc_rdma_no_locks" (current
value: <0>, data source:
default value)
Enable optimizations available only if
MPI_LOCK is not used.
Info key of same name overrides this value.
MCA osc: parameter "osc_rdma_priority" (current
value: <0>, data source:
default value)
MCA op: parameter "op_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level of the op framework
MCA iof: parameter "iof" (current value: <none>, data
source: default
value)
Default selection set of components for the
iof framework
(<none> means use all components that can be found)
MCA iof: parameter "iof_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level for the iof framework (0 =
no verbosity)
MCA iof: parameter "iof_hnp_priority" (current value:
<0>, data source:
default value)
MCA iof: parameter "iof_orted_priority" (current
value: <0>, data
source: default value)
MCA iof: parameter "iof_tool_priority" (current
value: <0>, data source:
default value)
MCA oob: parameter "oob" (current value: <none>, data
source: default
value)
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>, data source:
default value)
Verbosity level for the oob framework (0 =
no verbosity)
MCA oob: parameter "oob_tcp_verbose" (current value:
<0>, data source:
default value)
Verbose level for the OOB tcp component
MCA oob: parameter "oob_tcp_peer_limit" (current
value: <-1>, data
source: default value)
Maximum number of peer connections to
simultaneously maintain
(-1 = infinite)
MCA oob: parameter "oob_tcp_peer_retries" (current
value: <60>, data
source: default value)
Number of times to try shutting down a
connection before giving
up
MCA oob: parameter "oob_tcp_debug" (current value:
<0>, data source:
default value)
Enable (1) / disable (0) debugging output
for this component
MCA oob: parameter "oob_tcp_sndbuf" (current value:
<131072>, data
source: default value)
TCP socket send buffering size (in bytes)
MCA oob: parameter "oob_tcp_rcvbuf" (current value:
<131072>, data
source: default value)
TCP socket receive buffering size (in bytes)
MCA oob: parameter "oob_tcp_if_include" (current
value: <none>, data
source: default value)
Comma-delimited list of TCP interfaces to use
MCA oob: parameter "oob_tcp_if_exclude" (current
value: <none>, data
source: default value)
Comma-delimited list of TCP interfaces to exclude
MCA oob: parameter "oob_tcp_connect_sleep" (current
value: <1>, data
source: default value)
Enable (1) / disable (0) random sleep for
connection wireup.
MCA oob: parameter "oob_tcp_listen_mode" (current
value: <event>, data
source: default value)
Mode for HNP to accept incoming connections: event,
listen_thread.
MCA oob: parameter "oob_tcp_listen_thread_max_queue"
(current value:
<10>, data source: default value)
High water mark for queued accepted socket
list size. Used
only when listen_mode is listen_thread.
MCA oob: parameter "oob_tcp_listen_thread_wait_time"
(current value:
<10>, data source: default value)
Time in milliseconds to wait before actively
checking for new
connections when listen_mode is listen_thread.
MCA oob: parameter "oob_tcp_static_ports" (current
value: <none>, data
source: default value)
Static ports for daemons and procs (IPv4)
MCA oob: parameter "oob_tcp_dynamic_ports" (current
value: <none>, data
source: default value)
Range of ports to be dynamically used by
daemons and procs
(IPv4)
MCA oob: parameter "oob_tcp_disable_family" (current
value: <0>, data
source: default value)
Disable IPv4 (4) or IPv6 (6)
MCA oob: parameter "oob_tcp_priority" (current value:
<0>, data source:
default value)
MCA odls: parameter "odls_base_sigkill_timeout"
(current value: <1>, data
source: default value)
Time to wait for a process to die after
issuing a kill signal
to it
MCA odls: parameter "odls" (current value: <none>,
data source: default
value)
Default selection set of components for the
odls framework
(<none> means use all components that can be found)
MCA odls: parameter "odls_base_verbose" (current
value: <0>, data source:
default value)
Verbosity level for the odls framework (0 =
no verbosity)
MCA odls: parameter "odls_default_priority" (current
value: <0>, data
source: default value)
MCA ras: parameter "ras_base_display_alloc" (current
value: <0>, data
source: default value)
Whether to display the allocation after it
is determined
MCA ras: parameter "ras_base_display_devel_alloc"
(current value: <0>,
data source: default value)
Whether to display a developer-detail
allocation after it is
determined
MCA ras: parameter "ras" (current value: <none>, data
source: default
value)
Default selection set of components for the
ras framework
(<none> means use all components that can be found)
MCA ras: parameter "ras_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level for the ras framework (0 =
no verbosity)
MCA ras: parameter "ras_cm_priority" (current value:
<0>, data source:
default value)
MCA ras: parameter "ras_loadleveler_priority"
(current value: <90>, data
source: default value)
Priority of the loadleveler ras component
MCA ras: parameter "ras_slurm_priority" (current
value: <75>, data
source: default value)
Priority of the slurm ras component
MCA rmaps: parameter "rmaps_rank_file_path" (current
value: <none>, data
source: default value, synonym of: orte_rankfile)
Name of the rankfile to be used for mapping
processes (relative
or absolute path)
MCA rmaps: parameter "rmaps_base_schedule_policy"
(current value: <slot>,
data source: default value)
Scheduling Policy for RMAPS. [slot
(alias:core) | socket |
board | node]
MCA rmaps: parameter "rmaps_base_pernode" (current
value: <0>, data
source: default value)
Launch one ppn as directed
MCA rmaps: parameter "rmaps_base_n_pernode" (current
value: <-1>, data
source: default value)
Launch n procs/node
MCA rmaps: parameter "rmaps_base_n_perboard" (current
value: <-1>, data
source: default value)
Launch n procs/board
MCA rmaps: parameter "rmaps_base_n_persocket" (current
value: <-1>, data
source: default value)
Launch n procs/socket
MCA rmaps: parameter "rmaps_base_loadbalance" (current
value: <0>, data
source: default value)
Balance total number of procs across all
allocated nodes
MCA rmaps: parameter "rmaps_base_cpus_per_proc"
(current value: <1>, data
source: default value, synonyms:
rmaps_base_cpus_per_rank)
Number of cpus to use for each rank [1-2**15
(default=1)]
MCA rmaps: parameter "rmaps_base_cpus_per_rank"
(current value: <1>, data
source: default value, synonym of:
rmaps_base_cpus_per_proc)
Number of cpus to use for each rank [1-2**15
(default=1)]
MCA rmaps: parameter "rmaps_base_stride" (current
value: <1>, data source:
default value)
When binding multiple cores to a rank, the
step size to use
between cores [1-2**15 (default: 1)]
MCA rmaps: parameter "rmaps_base_slot_list" (current
value: <none>, data
source: default value)
List of processor IDs to bind MPI processes
to (e.g., used in
conjunction with rank files) [default=NULL]
MCA rmaps: parameter "rmaps_base_no_schedule_local"
(current value: <0>,
data source: default value)
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>,
data source: default value)
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>, data
source: default value)
Whether to display the process map after it
is computed
MCA rmaps: parameter "rmaps_base_display_devel_map"
(current value: <0>,
data source: default value)
Whether to display a developer-detail
process map after it is
computed
MCA rmaps: parameter "rmaps" (current value: <none>,
data source: default
value)
Default selection set of components for the
rmaps framework
(<none> means use all components that can be found)
MCA rmaps: parameter "rmaps_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the rmaps framework (0 =
no verbosity)
MCA rmaps: parameter "rmaps_load_balance_priority"
(current value: <0>,
data source: default value)
MCA rmaps: parameter "rmaps_rank_file_priority"
(current value: <0>, data
source: default value)
MCA rmaps: parameter "rmaps_resilient_fault_grp_file"
(current value:
<none>, data source: default value)
Filename that contains a description of
fault groups for this
system
MCA rmaps: parameter "rmaps_resilient_priority"
(current value: <0>, data
source: default value)
MCA rmaps: parameter "rmaps_round_robin_priority"
(current value: <0>,
data source: default value)
MCA rmaps: parameter "rmaps_seq_priority" (current
value: <0>, data
source: default value)
MCA rmaps: parameter "rmaps_topo_priority" (current
value: <0>, data
source: default value)
MCA rml: parameter "rml_wrapper" (current value:
<none>, data source:
default value)
Use a Wrapper component around the selected
RML component
MCA rml: parameter "rml" (current value: <none>, data
source: default
value)
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>, data source:
default value)
Verbosity level for the rml framework (0 =
no verbosity)
MCA rml: parameter "rml_oob_priority" (current value:
<0>, data source:
default value)
MCA routed: parameter "routed" (current value: <none>,
data source: default
value)
Default selection set of components for the
routed framework
(<none> means use all components that can be found)
MCA routed: parameter "routed_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the routed framework (0
= no verbosity)
MCA routed: parameter "routed_binomial_priority"
(current value: <0>, data
source: default value)
MCA routed: parameter "routed_cm_priority" (current
value: <0>, data
source: default value)
MCA routed: parameter "routed_direct_priority" (current
value: <0>, data
source: default value)
MCA routed: parameter "routed_linear_priority" (current
value: <0>, data
source: default value)
MCA routed: parameter "routed_radix_priority" (current
value: <0>, data
source: default value)
MCA routed: parameter "routed_slave_priority" (current
value: <0>, data
source: default value)
MCA plm: parameter "plm_rsh_agent" (current value:
<ssh : rsh>, data
source: default value, deprecated, synonym
of: orte_rsh_agent)
The command used to launch executables on remote nodes
(typically either "ssh" or "rsh")
MCA plm: parameter "plm_rsh_assume_same_shell"
(current value: <1>, data
source: default value, deprecated, synonym of:
orte_assume_same_shell)
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 [default: 1]
MCA plm: parameter "plm" (current value: <none>, data
source: default
value)
Default selection set of components for the
plm framework
(<none> means use all components that can be found)
MCA plm: parameter "plm_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level for the plm framework (0 =
no verbosity)
MCA plm: parameter "plm_rsh_num_concurrent" (current
value: <128>, data
source: default value)
How many plm_rsh_agent instances to invoke
concurrently (must
be > 0)
MCA plm: parameter "plm_rsh_force_rsh" (current
value: <0>, data source:
default value)
Force the launcher to always use rsh
MCA plm: parameter "plm_rsh_disable_qrsh" (current
value: <0>, data
source: default value)
Disable the launcher to use qrsh when under
the SGE parallel
environment
MCA plm: parameter "plm_rsh_daemonize_qrsh" (current
value: <0>, data
source: default value)
Daemonize the orted under the SGE parallel environment
MCA plm: parameter "plm_rsh_disable_llspawn" (current
value: <0>, data
source: default value)
Disable the use of llspawn when under the LoadLeveler
environment
MCA plm: parameter "plm_rsh_daemonize_llspawn"
(current value: <0>, data
source: default value)
Daemonize the orted when under the
LoadLeveler environment
MCA plm: parameter "plm_rsh_priority" (current value:
<10>, data source:
default value)
Priority of the rsh plm component
MCA plm: parameter "plm_rsh_delay" (current value:
<1>, data source:
default value)
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 plm: parameter "plm_rsh_tree_spawn" (current
value: <0>, data
source: default value)
If set to 1, launch via a tree-based topology
MCA plm: parameter "plm_slurm_args" (current value:
<none>, data source:
default value)
Custom arguments to srun
MCA plm: parameter "plm_slurm_priority" (current
value: <0>, data
source: default value)
MCA filem: parameter "filem" (current value: <none>,
data source: default
value)
Which Filem component to use (empty = auto-select)
MCA filem: parameter "filem_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the filem framework (0 =
no verbosity)
MCA filem: parameter "filem_rsh_priority" (current
value: <20>, data
source: default value)
Priority of the FILEM rsh component
MCA filem: parameter "filem_rsh_verbose" (current
value: <0>, data source:
default value)
Verbose level for the FILEM rsh component
MCA filem: parameter "filem_rsh_rcp" (current value:
<scp>, data source:
default value)
The rsh cp command for the FILEM rsh component
MCA filem: parameter "filem_rsh_cp" (current value:
<cp>, data source:
default value)
The Unix cp command for the FILEM rsh component
MCA filem: parameter "filem_rsh_rsh" (current value:
<ssh>, data source:
default value)
The remote shell command for the FILEM rsh component
MCA filem: parameter "filem_rsh_max_incomming" (current
value: <10>, data
source: default value)
Maximum number of incomming connections (0 = any)
MCA filem: parameter "filem_rsh_max_outgoing" (current
value: <10>, data
source: default value)
Maximum number of out going connections (0 = any)
MCA errmgr: parameter "errmgr" (current value: <none>,
data source: default
value)
Default selection set of components for the
errmgr framework
(<none> means use all components that can be found)
MCA errmgr: parameter "errmgr_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the errmgr framework (0
= no verbosity)
MCA errmgr: parameter "errmgr_default_priority" (current
value: <0>, data
source: default value)
MCA ess: parameter "ess" (current value: <none>, data
source: default
value)
Default selection set of components for the
ess framework
(<none> means use all components that can be found)
MCA ess: parameter "ess_base_verbose" (current value:
<0>, data source:
default value)
Verbosity level for the ess framework (0 =
no verbosity)
MCA ess: parameter "ess_env_priority" (current value:
<0>, data source:
default value)
MCA ess: parameter "ess_hnp_priority" (current value:
<0>, data source:
default value)
MCA ess: parameter "ess_singleton_priority" (current
value: <0>, data
source: default value)
MCA ess: parameter "ess_slave_priority" (current
value: <0>, data
source: default value)
MCA ess: parameter "ess_slurm_priority" (current
value: <0>, data
source: default value)
MCA ess: parameter "ess_slurmd_priority" (current
value: <0>, data
source: default value)
MCA ess: parameter "ess_tool_priority" (current
value: <0>, data source:
default value)
MCA grpcomm: parameter "grpcomm" (current value: <none>,
data source:
default value)
Default selection set of components for the
grpcomm framework
(<none> means use all components that can be found)
MCA grpcomm: parameter "grpcomm_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the grpcomm framework (0
= no verbosity)
MCA grpcomm: parameter "grpcomm_bad_priority" (current
value: <0>, data
source: default value)
MCA grpcomm: parameter "grpcomm_basic_priority" (current
value: <0>, data
source: default value)
MCA grpcomm: parameter "grpcomm_hier_priority" (current
value: <0>, data
source: default value)
MCA notifier: parameter "notifier_threshold_severity"
(current value:
<critical>, data source: default value)
Report all events at or above this severity
[default: critical]
MCA notifier: parameter "notifier" (current value: <none>,
data source:
default value)
Default selection set of components for the
notifier framework
(<none> means use all components that can be found)
MCA notifier: parameter "notifier_base_verbose" (current
value: <0>, data
source: default value)
Verbosity level for the notifier framework
(0 = no verbosity)
MCA notifier: parameter "notifier_command_cmd" (current
value: </sbin/initlog
-f $s -n "Open MPI" -s "$S: $m (errorcode:
$e)">, data source:
default value)
Command to execute, with substitution. $s =
integer severity;
$S = string severity; $e = integer error
code; $m = string
message
MCA notifier: parameter "notifier_command_timeout"
(current value: <30>, data
source: default value)
Timeout (in seconds) of the command
MCA notifier: parameter "notifier_command_priority"
(current value: <10>,
data source: default value)
Priority of this component
MCA notifier: parameter "notifier_syslog_priority"
(current value: <0>, data
source: default value)
====================================================================================================
output of cat /proc/cpuinfo
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
stepping : 2
cpu MHz : 1002.094
cache size : 512 KB
physical id : 0
siblings : 2
core id : 0
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext
3dnow pni cx16
bogomips : 2003.90
TLB size : 1088 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]
processor : 1
vendor_id : AuthenticAMD
cpu family : 15
model : 75
model name : AMD Athlon(tm) 64 X2 Dual Core Processor 3800+
stepping : 2
cpu MHz : 1002.094
cache size : 512 KB
physical id : 0
siblings : 2
core id : 1
cpu cores : 2
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext lm 3dnowext
3dnow pni cx16
bogomips : 2003.90
TLB size : 1088 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp [4] [5]
====================================================================================================
output of ifconfig -a from a compute node
eth0 Link encap:Ethernet HWaddr 00:18:F3:3F:84:A1
inet addr:192.168.0.2 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::218:f3ff:fe3f:84a1/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2006 errors:0 dropped:0 overruns:0 frame:0
TX packets:2064 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:242685 (236.9 KiB) TX bytes:0 (0.0 b)
Interrupt:11 Base address:0x8000
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:60 errors:0 dropped:0 overruns:0 frame:0
TX packets:60 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4440 (4.3 KiB) TX bytes:4440 (4.3 KiB)
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
====================================================================================================
output of ifconfig -a from the login node, where I run mpirun
eth0 Link encap:Ethernet HWaddr 00:18:F3:51:B3:6E
inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::218:f3ff:fe51:b36e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:7180758 errors:0 dropped:0 overruns:0 frame:0
TX packets:4989496 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:6045614452 (5.6 GiB) TX bytes:0 (0.0 b)
Interrupt:201 Base address:0xe000
eth1 Link encap:Ethernet HWaddr 00:01:02:13:AA:3C
inet addr:137.204.66.188 Bcast:137.204.66.255 Mask:255.255.255.0
inet6 addr: fe80::201:2ff:fe13:aa3c/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:4750212 errors:0 dropped:0 overruns:0 frame:0
TX packets:405027 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:629146679 (600.0 MiB) TX bytes:332118265 (316.7 MiB)
Interrupt:177 Base address:0x9c00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:288455 errors:0 dropped:0 overruns:0 frame:0
TX packets:288455 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:35908038 (34.2 MiB) TX bytes:35908038 (34.2 MiB)
sit0 Link encap:IPv6-in-IPv4
NOARP MTU:1480 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
====================================================================================================
output of mpirun --bynode --hostfile my_hostfile.txt --tag-output
ompi_info -v ompi full --parsable
[1,0]<stdout>:package:Open MPI and...@cloud.bo.astro.it Distribution
[1,0]<stdout>:ompi:version:full:1.6
[1,0]<stdout>:ompi:version:svn:r26429
[1,0]<stdout>:ompi:version:release_date:May 10, 2012
[1,0]<stdout>:orte:version:full:1.6
[1,0]<stdout>:orte:version:svn:r26429
[1,0]<stdout>:orte:version:release_date:May 10, 2012
[1,0]<stdout>:opal:version:full:1.6
[1,0]<stdout>:opal:version:svn:r26429
[1,0]<stdout>:opal:version:release_date:May 10, 2012
[1,0]<stdout>:mpi-api:version:full:2.1
[1,0]<stdout>:ident:1.6
[1,6]<stdout>:package:Open MPI and...@cloud.bo.astro.it Distribution
[1,6]<stdout>:ompi:version:full:1.6
[1,6]<stdout>:ompi:version:svn:r26429
[1,6]<stdout>:ompi:version:release_date:May 10, 2012
[1,6]<stdout>:orte:version:full:1.6
[1,6]<stdout>:orte:version:svn:r26429
[1,6]<stdout>:orte:version:release_date:May 10, 2012
[1,6]<stdout>:opal:version:full:1.6
[1,6]<stdout>:opal:version:svn:r26429
[1,6]<stdout>:opal:version:release_date:May 10, 2012
[1,6]<stdout>:mpi-api:version:full:2.1
[1,6]<stdout>:ident:1.6
[1,9]<stdout>:package:Open MPI and...@cloud.bo.astro.it Distribution
[1,10]<stdout>:package:Open MPI and...@cloud.bo.astro.it Distribution
[1,3]<stdout>:package:Open MPI and...@cloud.bo.astro.it Distribution
[1,3]<stdout>:ompi:version:full:1.6
[1,3]<stdout>:ompi:version:svn:r26429
[1,3]<stdout>:ompi:version:release_date:May 10, 2012
[1,3]<stdout>:orte:version:full:1.6
[1,3]<stdout>:orte:version:svn:r26429
[1,3]<stdout>:orte:version:release_date:May 10, 2012
[1,3]<stdout>:opal:version:full:1.6
[1,3]<stdout>:opal:version:svn:r26429
[1,3]<stdout>:opal:version:release_date:May 10, 2012
[1,3]<stdout>:mpi-api:version:full:2.1
[1,3]<stdout>:ident:1.6
[1,4]<stdout>:package:Open MPI and...@cloud.bo.astro.it Distribution
[1,4]<stdout>:ompi:version:full:1.6
[1,4]<stdout>:ompi:version:svn:r26429
[1,4]<stdout>:ompi:version:release_date:May 10, 2012
[1,4]<stdout>:orte:version:full:1.6
[1,4]<stdout>:orte:version:svn:r26429
[1,4]<stdout>:orte:version:release_date:May 10, 2012
[1,4]<stdout>:opal:version:full:1.6
[1,9]<stdout>:ompi:version:full:1.6
[1,4]<stdout>:opal:version:svn:r26429
[1,4]<stdout>:opal:version:release_date:May 10, 2012
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