3.2 OMP_DISPLAY_ENV – Show OpenMP version and environment variables

Description:

If set to TRUE, the OpenMP version number and the values associated with the OpenMP environment variables are printed to stderr. If set to VERBOSE, it additionally shows the value of the environment variables which are GNU extensions. If undefined or set to FALSE, this information will not be shown.

Reference:

OpenMP specification v4.5, Section 4.12