There is less new in TR11 as claimed ... 'strict' on grainsize/num_tasks is already in OpenMP 5.1, it is implemented and also listed as 'Y' under 5.1. Only 'num_threads(strict: int-expr)' is new in TR11. Tobias ----------------- Siemens Electronic Design Automation GmbH; Anschrift: Arnulfstraße 201, 80634 München; Gesellschaft mit beschränkter Haftung; Geschäftsführer: Thomas Heurung, Frank Thürauf; Sitz der Gesellschaft: München; Registergericht München, HRB 106955