https://community.intel.com/t5/Mobile-and-Desktop-Processors/Promlems-with-Intel-MPI/m-p/288392#M6131 <P>You may get a better response by posting your question here: <A href="https://software.intel.com/en-us/forum">https://software.intel.com/en-us/forum</A> <A href="https://software.intel.com/en-us/forum">https://software.intel.com/en-us/forum</A></P> Thu, 14 May 2015 15:01:40 GMT Jose_H_Intel1 2015-05-14T15:01:40Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Promlems-with-Intel-MPI/m-p/288391#M6130 <P>I have trouble with running Intel MPI on cluster with different different numbers of processors on nodes (12 and 32).</P><P>I use Intel MPI 4.0.3 and it works correctly on 20 nodes with 12 processors (Intel(Xeon(R)CPU X5650 @2.67)) at each, and all processors works correctly, then I try to run Intel MPI on other 3 nodes with 32 processors (Intel(Xeon(R)CPU E5-4620 <A href="mailto:v2@2.00">v2@2.00</A>) at each and they work correctly too.</P><P>But when I try to run my tasks on all nodes with different types of processors and the same type of Intel MPI I cant use more than 48 processors. Spead falls. I use option --machinefile</P><P>mpirun -machinefile mpihosts.txt ./wrf.exe</P><P>mpihosts.txt (cn01:12</P><P>cn02:12</P><P>...</P><P>cn29:32</P><P>cn30:32)</P><P>How can I use Intel MPI 4.0.3 correctly on all of these nodes?</P> Wed, 13 May 2015 07:10:03 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Promlems-with-Intel-MPI/m-p/288391#M6130 PLapo1 2015-05-13T07:10:03Z https://community.intel.com/t5/Mobile-and-Desktop-Processors/Promlems-with-Intel-MPI/m-p/288392#M6131 <P>You may get a better response by posting your question here: <A href="https://software.intel.com/en-us/forum">https://software.intel.com/en-us/forum</A> <A href="https://software.intel.com/en-us/forum">https://software.intel.com/en-us/forum</A></P> Thu, 14 May 2015 15:01:40 GMT https://community.intel.com/t5/Mobile-and-Desktop-Processors/Promlems-with-Intel-MPI/m-p/288392#M6131 Jose_H_Intel1 2015-05-14T15:01:40Z