Re: [OMPI users] Help!

2009-09-03 Thread guosong
Thanks. I thought those threads will not interfere with each other since they have no common variables except std IO. List-Post: users@lists.open-mpi.org Date: Thu, 3 Sep 2009 09:01:28 -0700 From: eugene@sun.com To: us...@open-mpi.org Subject: Re: [OMPI users] Help! guosong wrote: I

Re: [OMPI users] Help!

2009-09-03 Thread Eugene Loh
guosong wrote: I am new to open MPI I am not, but I'm not real familiar with thread-safe MPI programming.  Still, I saw no other replies to your question, so I'll make an attempt to answer. MPI does not guarantee thread safety.  E.g., see

Re: [OMPI users] Open MPI in a PC network running Windows XP

2009-09-03 Thread Shiqing Fan
Hi George, The Windows support exists in 1.3.3 and also in trunk. You can have a look at the README.WINDOWS file in Open MPI source. You need to install at least CMake and Visual Studio with C++ compiler; if you want to create an installer, you need to install NSIS too. I'm very glad to

Re: [OMPI users] Help: Infiniband interface hang

2009-09-03 Thread Peter Kjellstrom
Could you guys please trim your e-mails. No one wants to scroll by 100K-200K old context to see the update (not to mention wasting storage space for people.) /Peter signature.asc Description: This is a digitally signed message part.

[OMPI users] How does OpenMPI decided to use which algorithm in MPI_Bcast????????????????

2009-09-03 Thread shan axida
Hi, I had a glance at OpenMPI source codes and there are several algorithms for MPI_Bcast function. My question is how is the algorithm decided to use in a given MPI_Bcast call? message size? Anyone give me little detailed information for this question? Thanks a lot. Axida