Re: [OMPI devel] btl_openib_rnr_retry MCA param

2008-02-13 Thread Gleb Natapov
On Wed, Feb 13, 2008 at 09:05:24AM -0500, Jeff Squyres wrote: > Actually, we should then also print out a different error message when > RNR occurs in PP QP's, too. It should be something along the lines of > "flow control problem occurred; this shouldn't happen..." (right now > it says RNR

Re: [OMPI devel] btl_openib_rnr_retry MCA param

2008-02-13 Thread Jeff Squyres
Actually, we should then also print out a different error message when RNR occurs in PP QP's, too. It should be something along the lines of "flow control problem occurred; this shouldn't happen..." (right now it says RNR happened, and goes into detail into what that means -- but that's no

Re: [OMPI devel] btl_openib_rnr_retry MCA param

2008-02-13 Thread Jeff Squyres
Ok. I'll clean up the description of that MCA param to state that it only applies to SRQs. Thanks. On Feb 13, 2008, at 12:59 AM, Gleb Natapov wrote: On Tue, Feb 12, 2008 at 05:41:13PM -0500, Jeff Squyres wrote: I see that in the OOB CPC for the openib BTL, when setting up the send side

Re: [OMPI devel] btl_openib_rnr_retry MCA param

2008-02-13 Thread Gleb Natapov
On Tue, Feb 12, 2008 at 05:41:13PM -0500, Jeff Squyres wrote: > I see that in the OOB CPC for the openib BTL, when setting up the send > side of the QP, we set the rnr_retry value depending on whether the > remote receive queue is a per-peer or SRQ: > > - SRQ: btl_openib_rnr_retry MCA param va

[OMPI devel] btl_openib_rnr_retry MCA param

2008-02-12 Thread Jeff Squyres
I see that in the OOB CPC for the openib BTL, when setting up the send side of the QP, we set the rnr_retry value depending on whether the remote receive queue is a per-peer or SRQ: - SRQ: btl_openib_rnr_retry MCA param value - PP: 0 The rationale given in a comment is that setting the RNR t