The gcc 4.4.0 manual states: When -fopenmp is specified, the compiler generates parallel code according to the OpenMP Application Program Interface v2.5
Per (http://gcc.gnu.org/gcc-4.4/changes.html), GCC 4.4.0 supports OpenMP 3.0. -- Summary: OpenMP version needs updating in GCC 4.4.0 manual Product: gcc Version: 4.4.0 Status: UNCONFIRMED Severity: minor Priority: P3 Component: web AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: weeks at iastate dot edu http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40374