| .. _threading_environment_variables: | |
| Threading Environment Variables | |
| =============================== | |
| .. list-table:: | |
| :header-rows: 1 | |
| * - Variable | |
| - Description | |
| * - ``OMP_NUM_THREADS`` | |
| - Sets the maximum number of threads to use for OpenMP parallel regions. | |
| * - ``MKL_NUM_THREADS`` | |
| - Sets the maximum number of threads to use for the Intel MKL library. Note that MKL_NUM_THREADS takes precedence over ``OMP_NUM_THREADS``. |