Re: [OMPI users] Problems running linpack benchmark on old Sunfire opteron nodes

2015-05-26 Thread Rolf vandeVaart
: Re: [OMPI users] Problems running linpack benchmark on old Sunfire opteron nodes * PGP Signed by an unknown key You can also change the location of tmp files with the following mca option: -mca orte_tmpdir_base /some/place ompi_info --param all all -l 9 | grep tmp MCA orte

Re: [OMPI users] Problems running linpack benchmark on old Sunfire opteron nodes

2015-05-26 Thread Aurélien Bouteiller
You can also change the location of tmp files with the following mca option: -mca orte_tmpdir_base /some/place ompi_info --param all all -l 9 | grep tmp MCA orte: parameter "orte_tmpdir_base" (current value: "", data source: default, level: 9 dev/all, type: string)

Re: [OMPI users] Problems running linpack benchmark on old Sunfire opteron nodes

2015-05-23 Thread Gilles Gouaillardet
Bill, the root cause is likely there is not enough free space in /tmp. the simplest, but slowest, option is to run mpirun --mac btl tcp ... if you cannot make enough space under /tmp (maybe you run diskless) there are some options to create these kind of files under /dev/shm Cheers, Gilles

[OMPI users] Problems running linpack benchmark on old Sunfire opteron nodes

2015-05-23 Thread Lane, William
I've compiled the linpack benchmark using openMPI 1.8.5 libraries and include files on CentOS 6.4. I've tested the binary on the one Intel node (some sort of 4-core Xeon) and it runs, but when I try to run it on any of the old Sunfire opteron compute nodes it appears to hang (although top