phillips> /usr/local/intel/bin/ifort OpenMP_timing_test.f90 -openmp -fpp -i_dynamic OpenMP_timing_test.f90(24) : (col. 6) remark: OpenMP DEFINED REGION WAS PARALLELIZED. OpenMP_timing_test.f90(40) : (col. 6) remark: OpenMP DEFINED LOOP WAS PARALLELIZED. phillips> a.out Hello from main thread, max threads= 4 num procs= 4 Hello from thread 0 of 4 Hello from thread 1 of 4 Hello from thread 2 of 4 Hello from thread 3 of 4 *** TIMING DATA *** serial total user system 3.7998E+00 3.3828E+00 4.1699E-01 sec parallel total user system 1.0137E+00 1.0137E+00 0.0000E+00 sec speed-up: 3.33719