Re: [OMPI users] Scrambled communications using sshstarteronmultiple nodes.

2007-01-30 Thread Fisher, Mark S
nodes. Is there any way that you can share the code? On Jan 30, 2007, at 9:57 AM, Fisher, Mark S wrote: > The slaves send specific requests to the master and then waits for a > reply to that request. For instance it might send a request to read a > variable from the file. The master

Re: [OMPI users] Scrambled communications using ssh starteronmultiple nodes.

2007-01-30 Thread Fisher, Mark S
nodes. On Jan 30, 2007, at 9:35 AM, Fisher, Mark S wrote: > The master process uses both MPI_ANY_SOURCE and MPI_ANY_TAG while > waiting for requests from slave processes. The slaves sometimes use > MPI_ANY_TAG but the source is always specified. I think you said that you only had c

Re: [OMPI users] Scrambled communications using ssh starter onmultiple nodes.

2007-01-30 Thread Fisher, Mark S
have code that takes advantage of integer handles can sometimes behave unpredictably when switching to a pointer-based MPI implementation. - What network interconnect are you using between the two hosts? On Jan 25, 2007, at 4:22 PM, Fisher, Mark S wrote: > Recently I wanted to try OpenMPI

[OMPI users] Scrambled communications using ssh starter on multiple nodes.

2007-01-25 Thread Fisher, Mark S
Recently I wanted to try OpenMPI for use with our CFD flow solver WINDUS. The code uses a master/slave methodology were the master handles I/O and issues tasks for the slaves to perform. The original parallel implementation was done in 1993 using PVM and in 1999 we added support for MPI. When test