Forum topic

Intel MPI + FCA

I'm trying to launch an application with Intel MPI and Mellanox FCA. But is doesn't seem to work. I try to do it the way it is suggested in the example script which comes with FCA.

Authored by Last updated on 08/28/2012 - 14:08
Forum topic

Performance Comparasons between 2 multi-core computers


HI, All,

I have tested a software product IMEX 2012.10 on two muti-core computers and the performance are surprise to me. Please see below:

1. the 1st Computer:

Authored by Last updated on 09/11/2012 - 09:14
Forum topic

IMB Allreduce and Reduce message size confusion

I've been doing some tuning and noticed a confusing thing.

Authored by Last updated on 09/21/2012 - 07:24
Forum topic

using intel mpi and torque, spawn rank 0 on one master node


Authored by aksharb Last updated on 09/17/2012 - 13:22
Forum topic

rank 0 on one node

hi, i have intel mpi configured on our cluster where we are running the job in which it is required that only master process should execute on 1 node (1 seperate node of 8 procs) and rest 63 proces

Authored by aksharb Last updated on 09/21/2012 - 07:18
Forum topic

MPI IO - simple question


How do I check if a file exists and has been successfully opened. MPI::File::Open function suspends my program.



Authored by stansy Last updated on 09/24/2012 - 08:58
Forum topic

Building a small cluster

I need help deciding between the following two cluster designs for HPC puposes:

4x Nodes with 2x Intel Xeon E5-2450 2.20GHz, 20M Cache, 8.0GT/s QPI, Turbo, 8C, 95W

Authored by Last updated on 10/02/2012 - 16:34
Forum topic

[SOLVED] Intel MPI crashes in more than one node

Dear all,

Authored by Iván S. Last updated on 10/26/2012 - 06:33
Forum topic

Compiling P3DFFT with OpenMPI

While compiling P3DFFT with the latest OpenMPI and intel fortran compilers, I am able to run configure without problems, but run into trouble with the linker.

Authored by charan_188 Last updated on 10/20/2012 - 10:45
Forum topic

dev open failed for mlx4_0, err=Permission denied


I have this error with the Infiniband inizialitation when I launch a program with Intel MPI (with OpenMPI as well):

Authored by Miguel M. Last updated on 10/29/2012 - 06:12
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