omp_set_num_threads {OpenMPController} | R Documentation |
Sets the number of OpenMP threads to be used. This may be useful, for example, when linking against a vendor optimised BLAS/LAPACK library (e.g. the AMD Core Math Library), since the defaults used by those libraries may not be highly performant.
omp_set_num_threads(n)
n |
Integer, number of threads |
The R interface was written by Simon Guest.
omp_set_num_threads(2) # do something requiring 2 OMP threads omp_set_num_threads(4) # do something else requiring 4 OMP threads