OMP_NUM_TEAMS – Specifies the number of teams to use by teams region

Description:

Specifies the upper bound for number of teams to use in teams regions without explicit num_teams clause. The value of this variable shall be a positive integer. If undefined it defaults to 0 which means implementation defined upper bound.

See also:

omp_set_num_teams – Set upper teams limit for teams construct

Reference:

OpenMP specification v5.1, Section 6.23