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Ralph Castain
9a57db4a81 To support comm_spawn in fully routed environments, daemons need to know the route to all procs in their job family. They already had this information, but were not retaining it. The infrastructure to do so has existed for some time - just never had the time to complete it.
This commit does that by ensuring that daemons retain knowledge of proc location for all procs in their job family. It required a minor change to the ESS API to allow the daemons to update their pidmaps as data was received. In addition, the routed modules have been updated to take advantage of the newly available info, and the encode/decode pidmap utilities have been updated to communicate the required info in the launch message.

This commit was SVN r20022.
2008-11-18 15:35:50 +00:00
Ralph Castain
25491628b8 Discovered while documenting the "preconnect" mca params that several of them didn't make sense any more. After chatting with Jeff, we agreed to the following:
1. register "mpi_preconnect_all" as a deprecated synonym for "mpi_preconnect_mpi"

2. remove "mpi_preconnect_oob" and "mpi_preconnect_oob_simultaneous" as these are no longer valid.

3. remove the routed framework's "warmup_routes" API. With the removal of the direct routed component, this function at best only wasted communications. The daemon routes are completely "warmed up" during launch, so having MPI procs order the sending of additional messages is simply wasteful.

4. remove the call to orte_routed.warmup_routes from MPI_Init. This was the only place it was used anyway.

The FAQs will be updated to reflect this changed situation, and a CMR filed to move this to the 1.3 branch.

This commit was SVN r19933.
2008-11-05 19:41:16 +00:00
Ralph Castain
f54fda489e This is a first step towards supporting fully-routed OOB communications:
1. remove direct routed module (hooray!)

2. add radix tree routed module (binomial remains default)

3. remove duplicate data storage - orteds were storing nidmap and pidmap data in odls, everyone else in ess

4. add ess APIs to update nidmap, add new pidmap - used only by orteds for MPI-2 support

5. modify code to eliminate multiple calls to orte_routed.update_route that recreated info already in ess pidmap. Add ess API to lookup that info instead. Modify routed modules to utilize that capability

6. setup new ability to shutdown orteds without sending back an "ack" message to mpirun - not utilized yet, will require some changes to plm terminate_orteds functions in managed environments (coming soon)

Initial tests indicating that fully routing comm via defined routing trees may not actually have a significant cost for operations like IB QP setup. More tests required to confirm.

This will require an autogen...

This commit was SVN r19866.
2008-10-31 21:10:00 +00:00