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modify environment variable from MPICH

Hi

Authored by Xiaobin Q. Last updated on 11/30/2016 - 07:47
Forum topic

Internal MPI error! cannot read from remote process

On my Dell laptop (E7440 with an Intel i7), mpirun on my program terminates with the following:

Authored by paul g. Last updated on 11/23/2016 - 12:29
Forum topic

MPI_Send/ MPI_Rcv don't work with more then 8182 double

Hi, I'm having some troubles with the attached code SendReceive.c.

Authored by Paolo M. Last updated on 11/23/2016 - 12:27
Forum topic

The matched MPI Send/Recv pairs are mixed up

Hi,

Authored by seongyun k. Last updated on 11/23/2016 - 12:20
Forum topic

intel MPI and oversubscribing

hello,

 

for launching test base we use previously openMPI with theses options in order to position oversubcribing

Authored by harry j. Last updated on 11/23/2016 - 12:05
Forum topic

Environment variables defined by intel mpirun?

Hello Forum Gurus,

Authored by Michael C. Last updated on 11/23/2016 - 11:57
Forum topic

Intel MPI real-time performance problem

Hello: In my case ,i found sometimes MPI_Gather() take more than 5000-40000 cpu crcle,but normally MPI_Gather() only take about 2000 cpu crcle.

Authored by wang b. Last updated on 11/23/2016 - 11:52
Forum topic

efficent methood for hybrid OpenMP and MPI

Hi, I have a question about an efficient method for extending well implemented scientific code written using C++ and OpenMP, to MPI layer.

Authored by Lukasz S. Last updated on 11/23/2016 - 11:47
Forum topic

iMPI 5.2.1 Omni-Path tuning

 

For older Intel MPI versions, we were told to set this:

export I_MPI_HYDRA_PMI_CONNECT=alltoall.   Is this needed with Intel MPI 5.2.1?  And is 5.2.1 the latest version? 

Authored by Ronald G. Last updated on 11/23/2016 - 11:34
Forum topic

MPI crashes with the error message: (it_plfd->revents & POLLERR) == 0

 

Does any one know what the following error message mean? where should I check?

[20] rank = 0, revents = 24, state = 8

Authored by seongyun k. Last updated on 11/23/2016 - 11:28
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