Re: [OMPI users] Question on MPI_Ssend

2011-09-14 Thread Jeff Squyres (jsquyres)
kay. > > So, the question is, am I stumbling across a bug, or an incorrect MPI > installation? > > Thanks a lot. > > Best > > Devendra > > From: Jeff Squyres > To: devendra rai ; Open MPI Users > > Sent: Tuesday, 13 September 2011, 16:13 > Sub

Re: [OMPI users] Question on MPI_Ssend

2011-09-14 Thread devendra rai
Users Sent: Tuesday, 13 September 2011, 16:13 Subject: Re: [OMPI users] Question on MPI_Ssend On Sep 13, 2011, at 8:41 AM, devendra rai wrote: > Also, I read the definition of MPI_Ssend(...) that you sent, but then it does > not explain why both MPI_Ssend(...) and MPI_Recv(...) are blocked see

Re: [OMPI users] Question on MPI_Ssend

2011-09-13 Thread Jeff Squyres
On Sep 13, 2011, at 8:41 AM, devendra rai wrote: > Also, I read the definition of MPI_Ssend(...) that you sent, but then it does > not explain why both MPI_Ssend(...) and MPI_Recv(...) are blocked seemingly > forever. Oh, they're blocked *forever*! Sorry; I didn't get that from your prior de

Re: [OMPI users] Question on MPI_Ssend

2011-09-13 Thread devendra rai
(...). Any ideas? Thanks for your input already. Best Devendra From: Jeff Squyres To: devendra rai ; Open MPI Users Sent: Tuesday, 13 September 2011, 13:16 Subject: Re: [OMPI users] Question on MPI_Ssend On Sep 13, 2011, at 5:02 AM, devendra rai wrote: > I am us

Re: [OMPI users] Question on MPI_Ssend

2011-09-13 Thread Jeff Squyres
On Sep 13, 2011, at 5:02 AM, devendra rai wrote: > I am using MPI_Ssend and a corresponding a MPI_Recv. I notice that whenever > MPI_Recv starts waiting firs, and then MPI_Ssend is posted, the MPI calls > just block. This, of course results in non-coherent application behavior. I'm not sure wh

[OMPI users] Question on MPI_Ssend

2011-09-13 Thread devendra rai
Hello Everyone, I have a rather large network application, which runs on cluster of Linux machines. I am using MPI_Ssend and a corresponding a MPI_Recv. I notice that whenever MPI_Recv starts waiting firs, and then MPI_Ssend is posted, the MPI calls just block. This, of course results in non-c