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--- skill-tree:pe:4:1:i [2020/07/19 19:58] – lucy
+++ skill-tree:pe:4:1:i [Unknown date] (current) – removed - external edit (Unknown date) 127.0.0.1
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-# PE4.1-I Tuning without Building a Parallel Program
-# Background
-# Aim
-# Outcomes
-  * Select appropriate tasks sizes (big vs. small) that may have positive performance impacts on the workflow, and to run several (smaller) tasks by the help of job chaining.
-  * Use mapping of processes to nodes, pinning of processes/threads to CPUs or cores, and setting memory affinities to NUMA nodes in order to speed up a parallel program.
-  * Facilitate the speed up of program execution by setting appropriate runtime options (e.g. for MPI and OpenMP).