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Diffstat (limited to 'libgomp/testsuite/libgomp.fortran/omp_hello.f')
| -rw-r--r-- | libgomp/testsuite/libgomp.fortran/omp_hello.f | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.fortran/omp_hello.f b/libgomp/testsuite/libgomp.fortran/omp_hello.f new file mode 100644 index 000000000..ba4453126 --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/omp_hello.f @@ -0,0 +1,36 @@ +C****************************************************************************** +C FILE: omp_hello.f +C DESCRIPTION: +C OpenMP Example - Hello World - Fortran Version +C In this simple example, the master thread forks a parallel region. +C All threads in the team obtain their unique thread number and print it. +C The master thread only prints the total number of threads. Two OpenMP +C library routines are used to obtain the number of threads and each +C thread's number. +C AUTHOR: Blaise Barney 5/99 +C LAST REVISED: +C****************************************************************************** + + PROGRAM HELLO + + INTEGER NTHREADS, TID, OMP_GET_NUM_THREADS, + + OMP_GET_THREAD_NUM + +C Fork a team of threads giving them their own copies of variables +!$OMP PARALLEL PRIVATE(NTHREADS, TID) + + +C Obtain thread number + TID = OMP_GET_THREAD_NUM() + PRINT *, 'Hello World from thread = ', TID + +C Only master thread does this + IF (TID .EQ. 0) THEN + NTHREADS = OMP_GET_NUM_THREADS() + PRINT *, 'Number of threads = ', NTHREADS + END IF + +C All threads join master thread and disband +!$OMP END PARALLEL + + END |