For complete information on the OpenMP* standard, visit the www.openmp.org web site. The Intel Extensions to OpenMP topic describes the extensions to the standard that have been added by Intel in the Intel® Fortran Compiler.
An OpenMP directive has the form:
omp-sentinel directive [directive clause [ directive clause . . .]
An omp-sentinel is either
|
!$OMP |
with no intervening spaces for fixed form source input, or
|
!$OMP |
for free form source input.
Variable |
Description |
Default |
|
OMP_SCHEDULE |
Sets the run-time schedule type and chunk size. |
STATIC |
|
OMP_NUM_THREADS |
Sets the number of threads to use during execution. |
Number of processors |
|
OMP_DYNAMIC |
Enables or disables the dynamic adjustment of the number of threads. |
.FALSE. |
|
OMP_NESTED |
Enables or disables nested parallelism. |
.FALSE. |
See the lists of OpenMP* Standard Directives and Clauses in the Reference section.