• OpenMP

Notes on OpenMP and Freesurfer

• Martin's lecture

• in the source, grep for OPENMP in dev/utils and mri_ca_register.c for examples

• Online Tutorial: https://computing.llnl.gov/tutorials/openMP/

• Conditional compilation: to speed up compilation on non OpenMP systems

#ifdef _OPENMP
#include <omp.h>
#endif

#ifdef _OPENMP
   printf(“%d avail.processors\n”,omp_get_num_procs());
#endif