Re: [OMPI users] Open MPI vs IBM MPI performance help

2010-12-02 Thread Price, Brian M (N-KCI)
: users-boun...@open-mpi.org [mailto:users-boun...@open-mpi.org] On Behalf Of Price, Brian M (N-KCI) Sent: Wednesday, December 01, 2010 11:29 AM To: Open MPI Users Cc: Stern, Craig J Subject: EXTERNAL: [OMPI users] Open MPI vs IBM MPI performance help OpenMPI version: 1.4.3 Platform: IBM P5, 32

[OMPI users] Open MPI vs IBM MPI performance help

2010-12-01 Thread Price, Brian M (N-KCI)
OpenMPI version: 1.4.3 Platform: IBM P5, 32 processors, 256 GB memory, Symmetric Multi-Threading (SMT) enabled Application: starts up 48 processes and does MPI using MPI_Barrier, MPI_Get, MPI_Put (lots of transfers, large amounts of data) Issue: When implemented using Open MPI vs. IBM's MPI

Re: [OMPI users] EXTERNAL: Re: Creating 64-bit objects?

2010-11-10 Thread Price, Brian M (N-KCI)
To: Open MPI Users Subject: EXTERNAL: Re: [OMPI users] Creating 64-bit objects? How are you specifying these flags? Are you setting them as environment variables, or are you adding them to the configure command line? Can you show us the exact commands you used? Prentice Price, Brian M (N-KCI

Re: [OMPI users] EXTERNAL: Re: Creating 64-bit objects?

2010-11-10 Thread Price, Brian M (N-KCI)
and has been fixed in the latest release (2.2.8). More details are available here - http://www.open-mpi.org/community/lists/devel/2010/10/8606.php Regards --Nysal On Wed, Nov 10, 2010 at 1:04 AM, Price, Brian M (N-KCI) <brian.m.pr...@lmco.com<mailto:brian.m.pr...@lmco.com>> wrote: Ope

[OMPI users] Creating 64-bit objects?

2010-11-09 Thread Price, Brian M (N-KCI)
OpenMPI version: 1.3.3 & 1.4.3 Platform: IBM P5 Issue: I want OpenMPI to support some existing 64-bit FORTRAN software, but I can't seem to get 64-bit objects from OpenMPI without some modification to the Makefile in ompi/mpi/f90. I can configure, build, and install just fine with the following

[OMPI users] Separating output from multiple MPI processes

2010-08-12 Thread Price, Brian M (N-KCI)
All, Is there a simple way (environment variable or flag) to separate the output of each of my MPI processes into separate log files? Thanks. Brian Price

Re: [OMPI users] EXTERNAL: Re: MPI_GET beyond 2 GB displacement

2010-07-07 Thread Price, Brian M (N-KCI)
and my test program so that this test would work correctly? Thanks. -Original Message- From: Jed Brown [mailto:five...@gmail.com] On Behalf Of Jed Brown Sent: Wednesday, July 07, 2010 3:08 PM To: Price, Brian M (N-KCI); Open MPI Users Subject: Re: [OMPI users] EXTERNAL: Re: MPI_GET beyond 2

Re: [OMPI users] EXTERNAL: Re: MPI_GET beyond 2 GB displacement

2010-07-07 Thread Price, Brian M (N-KCI)
Squyres Sent: Wednesday, July 07, 2010 10:39 AM To: Open MPI Users Subject: EXTERNAL: Re: [OMPI users] MPI_GET beyond 2 GB displacement Sorry for the delay in replying. :-( It's because for a 32 bit signed int, at 2GB, the value turns negative. On Jun 29, 2010, at 1:46 PM, Price, Brian M (N

[OMPI users] MPI_GET beyond 2 GB displacement

2010-06-29 Thread Price, Brian M (N-KCI)
OpenMPI version: 1.3.3 Platform: IBM P5 Built OpenMPI 64-bit (i.e., CFLAGS=-q64, CXXFLAGS=-q64, -FFLAGS=-q64, -FCFLAGS=-q64) FORTRAN 90 test program: - Create a large array (3.6 GB of 32-bit INTs) - Initialize MPI - Create a large window to encompass large array

[OMPI users] MPI_GET beyond 2 GB displacement

2010-06-10 Thread Price, Brian M (N-KCI)
OpenMPI version: 1.3.3 Platform: IBM P5 Built OpenMPI 64-bit (i.e., CFLAGS=-q64, CXXFLAGS=-q64, -FFLAGS=-q64, -FCFLAGS=-q64) FORTRAN 90 test program: - Create a large array (3.6 GB of 32-bit INTs) - Initialize MPI - Create a large window to encompass large array

[OMPI users] Not getting mpi.mod file from openmpi build and install

2010-04-22 Thread Price, Brian M (N-KCI)
OpenMPI version: 1.3.3 Platform: IBM P5 If I configure with just the --prefix option for where to install, and then run "make all install", I get an "mpi.mod" file in the "lib" directory of the prefix directory I specified. ALL GOOD! When I add compiler options to the configure script (e.g.