[OMPI users] Problem with MPI_Comm_accept in a dynamic client/server application

2010-10-13 Thread Kalin Kanov
Hi there, I am trying to create a client/server application with OpenMPI, which has been installed on a Windows machine, by following the instruction (with CMake) in the README.WINDOWS file in the OpenMPI distribution (version 1.4.2). I have ran other test application that compile file under

Re: [OMPI users] How to time data transfers?

2010-10-13 Thread Michael E. Thomadakis
On 10/13/10 13:23, Eugene Loh wrote: Ed Peddycoart wrote: I need to do some performance tests on my mpi app. I simply want to determine how long it takes for my sends from one process to be received by another process. That should work once the code is corrected. Can you use MPI_Wtime()

Re: [OMPI users] How to time data transfers?

2010-10-13 Thread Eugene Loh
Ed Peddycoart wrote: I need to do some performance tests on my mpi app.  I simply want to determine how long it takes for my sends from one process to be received by another process.  Here is the code I used as my example for non-blocking send/receive...  if( myrank == 0 ) {   /*

[OMPI users] How to time data transfers?

2010-10-13 Thread Ed Peddycoart
I need to do some performance tests on my mpi app. I simply want to determine how long it takes for my sends from one process to be received by another process. Here is the code I used as my example for non-blocking send/receive... if( myrank == 0 ) { /* Post a receive, send a message, t

Re: [OMPI users] How to run different versions of application in the same run?

2010-10-13 Thread Bowen Zhou
Thanks a lot! That's exactly what I was looking for. See here: http://www.open-mpi.org/faq/?category=running#mpmd-run On Tue, 2010-10-12 at 22:21 -0400, Bowen Zhou wrote: Greetings, I'm doing software fault injection in a parallel application to evaluate the effect of hardware failures t