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MPI errors on large OPA fabric

Hello,

We're getting MPI communication errors using Intel MPI on our cluster using omnipath.  This is a job using 931 nodes, smaller runs using 600 nodes execute properly.

Authored by mcs-systems Last updated on 05/27/2017 - 07:41
Forum topic

Topology, Bandwidth, and Latency of the Cache Coherence Network

Hello,

Authored by Chris W. Last updated on 05/26/2017 - 10:31
Forum topic

Phi 7240P on Centos: no MIC boards present

Hi,

I installed MPSS 3.8.2 on a CentOS 7.3 system with kernel 3.10.0-514.16.1

Authored by Jesus C. Last updated on 05/26/2017 - 08:57
Forum topic

Fix "Error 5 error #6591: An automatic object is invalid in a main program" in Fortran

My code as below:

      include 'param.h'       dimension alpha1(mx)       open(99,file='checking.dat')

Authored by Huynh T. Last updated on 05/26/2017 - 07:48
Forum topic

parallel code running slower than serial code

I tried to write a simple code to repeatedly compute greek pi by simulation and then compare the performance of the serial vs parallelized version of the code.

Authored by Claudio C. Last updated on 05/26/2017 - 01:43
Forum topic

Are the following configurations NUMA systems?

Hello,

Are any of the following 3 configurations NUMA systems?

Authored by Iulia S. Last updated on 05/25/2017 - 12:44
Article

Intel® Software Development Emulator Download

Intel® Software Development Emulator (released May 23, 2017)

Authored by Ady Tal (Intel) Last updated on 05/25/2017 - 01:14
Forum topic

Phi X200 miccheck driver not loaded

Hello,

Authored by Cale C. Last updated on 05/24/2017 - 14:32
Forum topic

Popcount emulation for x64 process - RAM memory limit

Hello,

I'm trying to use Intel Software Developement Emulator to emulate popcount instruction for my CPU (Core2Quad Q6600). I need this to run Quantum Break game, which requires ppcount.

Authored by Jon D. Last updated on 05/23/2017 - 07:12
Forum topic

Unable to compile for coprocessor on native mode due to issues with custom library linking

I am successfully able to compile and execute my code on Xeon, but when I try to compile it for executing on a co-processor (natively by adding a -mmic flag), I get the following error:

Authored by Keval S. Last updated on 05/22/2017 - 13:42
For more complete information about compiler optimizations, see our Optimization Notice.