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| software:openmpi:mills [2018-10-15 09:31] – [Open MPI on Mills] anita | software:openmpi:mills [2021-04-27 16:21] (current) – external edit 127.0.0.1 |
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| ===== Open MPI on Mills ===== | ===== Open MPI on Mills ===== |
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| IT provides templates for three job script variants for the **openmpi** parallel environment on Mills located in ''/opt/templates/gridengine/openmpi'' called: | IT provides templates for three job script variants for the **openmpi** parallel environment on Mills located in ''/opt/shared/templates/gridengine/openmpi'' called: |
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| * OpenIB Verbs variant: **//openmpi-ibverb.qs//** | * OpenIB Verbs variant: **//openmpi-ibverb.qs//** |
| You may copy and customize these templates to provide the best performance when running your Open MPI applications. See [[:abstract:mills:runjobs:runjobs|Running Applications]] on Mills for details about resources. The options you select can best be understood by reading about Mills [[technical/whitepaper/start?&#millsamd-opteron-6200-unix-tuning-guide|tuning]] and [[technical/whitepaper/start?&#millsthreading-performance-study|threading performance]] as it relates to the resources and effects on your applications. | You may copy and customize these templates to provide the best performance when running your Open MPI applications. See [[:abstract:mills:runjobs:runjobs|Running Applications]] on Mills for details about resources. The options you select can best be understood by reading about Mills [[technical/whitepaper/start?&#millsamd-opteron-6200-unix-tuning-guide|tuning]] and [[technical/whitepaper/start?&#millsthreading-performance-study|threading performance]] as it relates to the resources and effects on your applications. |
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| <note tip>It is a good idea to periodically check in ''/opt/templates/gridengine/openmpi'' for changes in existing templates, or the addition of new templates, designed to provide the best performance on Mills.</note> | <note tip>It is a good idea to periodically check in ''/opt/shared/templates/gridengine/openmpi'' for changes in existing templates, or the addition of new templates, designed to provide the best performance on Mills.</note> |
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| ==== PSM (Performance-Scaled Messaging) ==== | ==== PSM (Performance-Scaled Messaging) ==== |