[OMPI users] [OMPI USERS] Cross-compiling

2017-11-14 Thread Alberto Ortiz
Hi, I am trying to run in this type of environment: 1- A linux PC in which I intend to compile MPI programs for arm embedded processors 2- The arms I have OpenMPI compiled in the arms with dynamic libraries, in case I compile natively as well as for the use of 'mpirun' when I get the cross-compil

[OMPI users] [OMPI USERS] segmentation fault at startup

2017-09-08 Thread Alberto Ortiz
Hi, I have a system running openmpi programs over archlinux. I had the programs compiled and running on July when I was using the version 1.10.4 or .7 of openmpi if I remember correctly. Just recently I updated the openmpi version to 2.1.1 and tried running a compiled program and ran correctly. The

Re: [OMPI users] [OMPI USERS] Jumbo frames

2017-05-05 Thread Alberto Ortiz
send/recv > buffer size in the TCP btl, not the openib one, yes? > > Also, what version of OMPI are you using? > > > On May 5, 2017, at 7:16 AM, Alberto Ortiz > wrote: > > > > Hi, > > I have a program running with openMPI over a network using a gigabit > swi

[OMPI users] [OMPI USERS] Jumbo frames

2017-05-05 Thread Alberto Ortiz
Hi, I have a program running with openMPI over a network using a gigabit switch. This switch supports jumbo frames up to 13.000 bytes, so, in order to test and see if it would be faster communicating with this frame lengths, I am trying to use them with my program. I have set the MTU in each node t

[OMPI users] Fwd: [OMPI USERS] Fault Tolerance and migration

2017-02-27 Thread Alberto Ortiz
Hi, I am interested in using OpenMPI to manage the distribution on a MicroZed cluster. This MicroZed boards come with a Zynq device, which has a dual-core ARM cortex A9. One of the objectives of the project I am working on is resilience, so I am trully interested in the fault tolerance provided by