[OMPI users] How to force the configure, and make to build a 32 bit opmi on a 64 bit linux ?

2009-10-01 Thread Nader Ahmadi
Hello, We have 64 bit linux box. For a number of reason I need to build a 32 bit openMPI. I have searched FAQ and archived mail, but I couldn't find a good answer. There are some references to this question, in the developer mailing list with no clear response. I am I looking for

[OMPI users] OMPI performace with Redhat Linux MRG

2009-09-29 Thread Nader Ahmadi
Hello, I like to find out, if there is a real difference in openMPI performance (latency) when it runs under Redhat Linux with MRG kernel installed. Redhat claims that its MRG Grid Support for a wide variety of tasks, ranging from sub-second calculations to long-running, highly parall

Re: [OMPI users] Does Open MPI "Really" support AIX?

2007-02-13 Thread Nader Ahmadi
ight now to really support AIX. As you have noted, the problem is with the io forwarding subsystem - a considerable issue. We will revise the web site to indicate this situation. We will provide an announcement of any change in that status. Thanks Ralph On 2/7/07 1:18 PM, "Nader Ahmadi&qu

[OMPI users] Does Open MPI "Realy" support AIX?

2007-02-07 Thread Nader Ahmadi
Hello All, We are in the process to decide, if we should use Open MPI in an AIX environment. Our in-house testing indicates that OMPI (V 1.1.x and V 1.2.x) stdio is broken under AIX. At this point, I am trying to find out if there is a fix or work-around for this problem. I have put another

[OMPI users] OpenMPI on HPUX?

2007-01-15 Thread Nader Ahmadi
Hello, I am planning to install OpenMPI on a HPUX system. Does anyone has any experience using OMPI on HPUX? I do appreciate any comments. Thanks Nader,

[OMPI users] OpenMPI output problem, for IBM AIX 5.3

2006-12-15 Thread Nader Ahmadi
Hello, OpenMPI output issues when using IBM AIX 5.3 We have recently installed OpenMPI 1.1.2 (see attacched, ompi_inf -a output for detail). on an IBM AIX 5.3. We had no problem during installation and configration. "ompi_info -a" runs with no problem. Running our application we got no error

[OMPI users] Problem starting rank other than zero

2006-10-31 Thread Nader Ahmadi
Hello, I am a new OpenMPI user. We are planing to move from IBM AIX POE to OpenMPI. I had noproblem to install, configure, and compile my application, using OpenMPI 1.1.2. (thank you, for making it so easy). "ompi_inf -all" runs fine (see attached ompi_info.txt file), my application runs with n