Re: [OMPI users] spin-wait backoff

2010-09-03 Thread David Singleton
On 09/03/2010 10:05 PM, Jeff Squyres wrote: On Sep 3, 2010, at 12:16 AM, Ralph Castain wrote: Backing off the polling rate requires more application-specific logic like that offered below, so it is a little difficult for us to implement at the MPI library level. Not saying we eventually won't

Re: [OMPI users] compiler upgrades require openmpi rebuild?

2010-09-03 Thread Reuti
Hi, Am 03.09.2010 um 19:51 schrieb Jeff Squyres: > On Aug 30, 2010, at 6:48 PM, David Turner wrote: > >> We have recently upgraded our default compiler suite from >> PGI 10.5 to PGI 10.8. We use the "module" system to manage >> third-party software. The module for PGI sets PATH and >> LD_LIBRA

Re: [OMPI users] Memory allocation error when linking with MPI libraries

2010-09-03 Thread Jeff Squyres
On Aug 31, 2010, at 8:36 AM, Nicolas Deladerriere wrote: > I also fixed my memory allocation issue using environment variable > OMPI_MCA_memory_ptmalloc2_disable which is much more easier (at least in my > case) than compiled new openmpi package and install that new package. > The point is that

Re: [OMPI users] Problems with mpirun

2010-09-03 Thread David Zhang
>From the error message, it seems like a network problem? On 9/3/10, Peter Kjellstrom wrote: > On Friday 03 September 2010, Alexander Kalinin wrote: >> Hello! >> >> I have a problem to run mpi program. My command line is: >> $ mpirun -np 1 ./ksurf >> >> But I got an error: >> [0,0,0] mca_oob_tcp_

Re: [OMPI users] compiler upgrades require openmpi rebuild?

2010-09-03 Thread Jeff Squyres
On Aug 30, 2010, at 6:48 PM, David Turner wrote: > We have recently upgraded our default compiler suite from > PGI 10.5 to PGI 10.8. We use the "module" system to manage > third-party software. The module for PGI sets PATH and > LD_LIBRARY_PATH. > > Using Open MPI 1.4.2, built with PGI 10.5, I

Re: [OMPI users] Problem including C MPI code from C++ using C linkage

2010-09-03 Thread Patrik Jonsson
Hi everyone, Thanks for the suggestions. On Thu, Sep 2, 2010 at 6:41 AM, Jeff Squyres wrote: > On Aug 31, 2010, at 5:39 PM, Patrik Jonsson wrote: > >> It seems a bit presumptuous of mpi.h to just include mpicxx.h just >> because __cplusplus is defined, since that makes it impossible to link >> C

Re: [OMPI users] spin-wait backoff

2010-09-03 Thread Jeff Squyres
On Sep 3, 2010, at 12:16 AM, Ralph Castain wrote: > Backing off the polling rate requires more application-specific logic like > that offered below, so it is a little difficult for us to implement at the > MPI library level. Not saying we eventually won't - just not sure anyone > quite knows ho

Re: [OMPI users] Problems with mpirun

2010-09-03 Thread Peter Kjellstrom
On Friday 03 September 2010, Alexander Kalinin wrote: > Hello! > > I have a problem to run mpi program. My command line is: > $ mpirun -np 1 ./ksurf > > But I got an error: > [0,0,0] mca_oob_tcp_init: invalid address '' returned for selected oob > interfaces. > [0,0,0] ORTE_ERROR_LOG: Error in file

[OMPI users] Problems with mpirun

2010-09-03 Thread Alexander Kalinin
Hello! I have a problem to run mpi program. My command line is: $ mpirun -np 1 ./ksurf But I got an error: [0,0,0] mca_oob_tcp_init: invalid address '' returned for selected oob interfaces. [0,0,0] ORTE_ERROR_LOG: Error in file oob_tcp.c at line 880 My working environment is: Fedora 7, openmpi-1

Re: [OMPI users] spin-wait backoff

2010-09-03 Thread Ralph Castain
In the upcoming 1.5 series, we will introduce a new "sensor" framework to help resolve such issues. Among other things, it will automatically track (if requested) the size of a sentinel file, cpu usage, and memory footprint and will terminate the job if any exceed user-specified limits (e.g., fi