OpenMP Directives
Provides links to directives used in the OpenMP API.
Visual C++ supports the following OpenMP directives:
| Directive | Description |
|---|---|
| atomic | Specifies that a memory location that will be updated atomically. |
| barrier | Synchronizes all threads in a team; all threads pause at the barrier, until all threads execute the barrier. |
| critical | Specifies that code is only executed on one thread at a time. |
| flush | Specifies that all threads have the same view of memory for all shared objects. |
| for | Causes the work done in a for loop inside a parallel region to be divided among threads. |
| master | Specifies that only the master threadshould execute a section of the program. |
| ordered | Specifies that code under a parallelized for loop should be executed like a sequential loop. |
| parallel | Defines a parallel region, which is code that will be executed by multiple threads in parallel. |
| sections | Identifies code sections to be divided among all threads. |
| single | Lets you specify that a section of code should be executed on a single thread, not necessarily the master thread. |
| threadprivate | Specifies that a variable is private to a thread. |