[OMPI devel] Open IB BTL and iWARP

2008-07-09 Thread Don Kerr
Last I looked the OpenIB BTL relied on the short eager rdma buffers being written in order? Is this still the case? If so, how is this handled when iWARP is underneath the User Verb API and not Mellonox IB HCAs?

Re: [OMPI devel] Open IB BTL and iWARP

2008-07-09 Thread Jeff Squyres
On Jul 9, 2008, at 4:08 PM, Don Kerr wrote: Last I looked the OpenIB BTL relied on the short eager rdma buffers being written in order? Is this still the case? The eager rdma optimization relies on the last byte of the short message being written last. I.e., when we see the last byte in

[OMPI devel] IOF repair

2008-07-09 Thread Ralph Castain
I have been investigating Ticket #1135 - stdin is read twice if rank=0 shares the node with mpirun. Repairing this problem is going to be quite difficult due to the rather terrible spaghetti code in the IOF, and the fact that the IOF in the HNP actually rml.sends the IO to itself multiple times as

Re: [OMPI devel] IOF repair

2008-07-09 Thread Jeff Squyres
I'd like to have a look at the diff between the two, but I can't do so until tomorrow at the earliest. On Jul 9, 2008, at 7:26 PM, Ralph Castain wrote: I have been investigating Ticket #1135 - stdin is read twice if rank=0 shares the node with mpirun. Repairing this problem is going to be q

[OMPI devel] v1.3 RM: need a ruling

2008-07-09 Thread Jeff Squyres
v1.3 RMs: Due to some recent work, the MCA parameter mpi_paffinity_alone disappeared -- it was moved and renamed to be opal_paffinity_alone. This is Bad because we have a lot of historical precent based on the MCA param name "mpi_paffinity_alone" (FAQ, PPT presentations, e-mails on public