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Oracle Solaris Studio 12.2: OpenMP API User's Guide
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Document Information

Preface

1.  Introducing the OpenMP API

2.  Compiling and Running OpenMP Programs

3.  Implementation-Defined Behaviors

3.1 Task Scheduling Points

3.2 Memory Model

3.3 Internal Control Variables

3.4 Dynamic Adjustment of Threads

3.5 Loop Directive

3.6 Constructs

3.6.1 SECTIONS

3.6.2 SINGLE

3.6.3 ATOMIC

3.7 Routines

3.7.1 omp_set_schedule()

3.7.2 omp_set_max_active_levels()

3.7.3 omp_get_max_active_levels()

3.8 Environment Variables

3.9 Fortran Issues

3.9.1 THREADPRIVATE Directive

3.9.2 SHARED Clause

3.9.3 Runtime Library Definitions

4.  Nested Parallelism

5.  Tasking

6.  Automatic Scoping of Variables

7.  Scope Checking

8.  Performance Considerations

A.  Placement of Clauses on Directives

B.  Converting to OpenMP

Index

3.7 Routines

3.7.1 omp_set_schedule()

The behavior for the Solaris Studio-specific sunw_mp_sched_reserved schedule is the same as static with no chunk size.

3.7.2 omp_set_max_active_levels()

If omp_set_max_active_levels()is called from within an active parallel region, then the call will be ignored. A warning message will be issued if SUNW_MP_WARN is set to TRUE or a callback function is registered by a call to sunw_mp_register_warn().

If the argument to omp_set_max_active_levels() is not a non-negative integer, then the call will be ignored. A warning message will be issued if SUNW_MP_WARN is set to TRUE or a callback function is registered by a call to sunw_mp_register_warn().

3.7.3 omp_get_max_active_levels()

omp_get_max_active_levels() can be called from anywhere in the program. The call will return the value of the max-active-levels-var internal control variable.