Visible to Intel only — GUID: GUID-2A6B9B3B-D468-4E2B-A539-992E84317315
Visible to Intel only — GUID: GUID-2A6B9B3B-D468-4E2B-A539-992E84317315
par-num-threads, Qpar-num-threads
Specifies the number of threads to use in a parallel region. This feature is only available for ifort.
Syntax
Linux: |
-par-num-threads=n |
macOS: |
-par-num-threads=n |
Windows: |
/Qpar-num-threads:n |
Arguments
n |
Is the number of threads to use. It must be a positive integer. |
Default
OFF |
The number of threads to use is determined by the runtime environment. |
Description
This option specifies the number of threads to use in a parallel region. It has the same effect as environment variable OMP_NUM_THREADS.
This option overrides the environment variable when both are specified.
This option only has an effect if the following is true:
You have specified option [Q]parallel or option [q or Q]openmp (or both).
You are compiling the main program.
IDE Equivalent
Alternate Options
None