Re: [OMPI users] Open MPI on Dual Core Laptop?

2006-08-01 Thread Wen Long at UMCES/HPL
Durga, > Do you want to use MPI to chain a bunch of such laptops together (e.g. via > ethernet) or just for the cores to talk to each other? If the latter; you do > not need >MPI. Your SMP operating system (e.g. Linux) will automatically > utilize both cores. The Linux 2.6 kernel also suppor

Re: [OMPI users] Open MPI on Dual Core Laptop?

2006-08-01 Thread Durga Choudhury
Do you want to use MPI to chain a bunch of such laptops together (e.g. via ethernet) or just for the cores to talk to each other? If the latter; you do not need MPI. Your SMP operating system (e.g. Linux) will automatically utilize both cores. The Linux 2.6 kernel also supports processor affinity

Re: [OMPI users] Open MPI on Dual Core Laptop?

2006-08-01 Thread Andrew Friedley
Wen Long at UMCES/HPL wrote: Any people have installed open MPI on a Dual Core desktop or laptop? Such as Intel Centrino Duo ? or it is totally impossible? Have you encountered a particular problem? If, we'd like to know about it. Dual core machines behave very much like SMP machines. We

Re: [OMPI users] Open MPI on Dual Core Laptop?

2006-08-01 Thread Jeff Squyres
I do a lot of testing and development on my MacBook Pro in OSX (core duo). I do a lot of development on a lot of dual-processor Linux machines as well. Other developers work on multi-processor machines in other operating systems. Open MPI doesn't depend on how many CPUs or cores you have in your m

[OMPI users] Open MPI on Dual Core Laptop?

2006-08-01 Thread Wen Long at UMCES/HPL
Hi, Any people have installed open MPI on a Dual Core desktop or laptop? Such as Intel Centrino Duo ? or it is totally impossible? Thanks,, Wen

Re: [OMPI users] Error sending large number of small messages

2006-08-01 Thread Jeff Squyres
Marcelo -- Many thanks for this report! I have duplicated your problem (doh!), and have opened bug #232 about it. https://svn.open-mpi.org/trac/ompi/ticket/232 On 7/29/06 5:35 PM, "Marcelo Stival" wrote: > Here (attached) is a programm that reproduce the error reported... > > Now I upda