Setting the Number of Threads Using an OpenMP* Environment Variable

Developer Guide

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Setting the Number of Threads Using an OpenMP* Environment Variable

You can set the number of threads using the environment variable
OMP_NUM_THREADS
. To change the number of OpenMP threads, in the command shell in which the program is going to run,
enter:
export OMP_NUM_THREADS=
<number of threads to use>
.

Product and Performance Information

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Performance varies by use, configuration and other factors. Learn more at www.Intel.com/PerformanceIndex.