From: devel-bounces_at_[hidden] [devel-bounces_at_[hidden]] on behalf of Gutierrez, Samuel K [samuel_at_[hidden]]
Sent: Tuesday, August 07, 2012 8:34 AM
To: Open MPI Developers
Subject: Re: [OMPI devel] RFC: sm BTL Initialization via Modex
This may be useful.
Attached is a patch tarball with the updates - may make quick reviews easier.
On Aug 6, 2012, at 3:23 PM, Gutierrez, Samuel K wrote:
> Thanks, Jeff.
> FWIW, I just finished testing with knem support enabled. Looks good.
> On Aug 6, 2012, at 2:21 PM, Jeff Squyres wrote:
>> I've run this hg tree with the intel, IBM, and IMB suites on a Romley server with 20 cores for NP values of 2,3,4,...,19,20. The only failures were the IBM spawn tests (which are expected, because I ran with "--mca btl sm,self").
>> So -- +1 on this from me (disclaimer: I haven't looked at the code).
>> On Aug 5, 2012, at 6:38 AM, Gutierrez, Samuel K wrote:
>>> The majority of the code required to get away from explicit RML usage during
>>> shared memory initialization is complete. With this update, the sm BTL and sm
>>> mpool modex around the information required for setup.
>>> I've completed some initial testing and everything seems to be working
>>> properly, but additional testing and feedback is greatly appreciated -- and
>>> almost certainly required.
>>> Things that haven't been tested:
>>> o The sm BTL with progress threads enabled (OMPI_ENABLE_PROGRESS_THREADS).
>>> o The sm BTL with any kernel assistance enabled.
>>> WHY: In preparation for the eventual BTL move.
>>> M opal/mca/shmem/posix/shmem_posix_module.c
>>> M opal/mca/shmem/sysv/shmem_sysv_module.c
>>> M opal/mca/shmem/mmap/shmem_mmap_module.c
>>> M opal/mca/shmem/windows/shmem_windows_module.c
>>> M ompi/mca/btl/sm/btl_sm.c
>>> M ompi/mca/btl/sm/btl_sm_component.c
>>> M ompi/mca/btl/sm/help-mpi-btl-sm.txt
>>> M ompi/mca/btl/sm/btl_sm.h
>>> M ompi/mca/btl/sm/btl_sm_fifo.h
>>> M ompi/mca/mpool/sm/mpool_sm_component.c
>>> M ompi/mca/mpool/sm/mpool_sm.h
>>> M ompi/mca/common/sm/common_sm.c
>>> M ompi/mca/common/sm/common_sm.h
>>> The majority of changes that most will care about are in btl/sm/* and mpool/sm/*
>>> The branch can be found:
>>> TIMEOUT: If everything looks okay, Aug 10, 2012. If not, some time after issues
>>> have been resolved.
>>> devel mailing list
>> Jeff Squyres
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