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openmpi/orte/mca/rml
Josh Hursey e10f476c87 Bring over the jjh-filem branch which contains a non-blocking FileM interface
and implementation. This has shown drastic performance benefit when
transferring Many files at roughly the same time.

I tested this for many different filem operations and everything was working
fine. Let me know if you have any problems with this functionality.

Some Notes:
 - opal-checkpoint now has a 'quiet' flag to keep it from being too verbose.

 - FileM RSH component is fully non-blocking.

 - FileM RSH component has incomming connection throttling since by default
   ssh only allows 10 concurrent scp connections to any single host. This
   default can be adjusted via an MCA parameter.
    {{{-mca filem_rsh_max_incomming 10}}}

 - There is an MCA parameter for max outgoing connections, but it is currently
   not implemented. If someone needs it then it should not be hard to implement.
    {{{-mca filem_rsh_max_outgoing 10}}}

 - Changed the FileM request structure so that it is a bit more explicit and
   flexible.

 - Moved the 'preload-binary' and 'preload-files' functionality into odls/base
   allowing for code reuse in the 'process' and 'default' ODLS components.

 - Fixed a bug in the process name resolution which broke the 'preload-*'
   functionality due to GPR table structure changes.

 - The FileM RSH component might be able to see even more speedup from using a
   thread pool to operate on the work_pool structures, but that is for future
   work.

 - Added a 'opal-show-help' file to ODLS Base

This commit was SVN r16252.
2007-09-27 13:13:29 +00:00
..
base There is no values[1] ... How did the compilers goes away with this !!! 2007-09-14 21:33:25 +00:00
cnos A number of improvements / changes to the RML/OOB layers: 2007-07-20 01:34:02 +00:00
ftrm Some C/R fixes (more to come) 2007-07-23 20:13:37 +00:00
oob - Some more type casts. 2007-09-11 11:28:43 +00:00
Makefile.am Clean up a couple of configure things: 2007-05-15 04:23:48 +00:00
rml_types.h Bring over the jjh-filem branch which contains a non-blocking FileM interface 2007-09-27 13:13:29 +00:00
rml.h A number of improvements / changes to the RML/OOB layers: 2007-07-20 01:34:02 +00:00