Introduction
OpenMP provides a powerful, portable, and simple means of threading applications. In some cases, however, developers should choose the flexibility of native threading APIs. The guidelines in this article help to identify whether OpenMP is an appropriate choice for a given situation.
By Andrew Binstock
Other articles on this Web site extol the virtues of programming with OpenMP, a vendor-neutral interface for threading portions of programs in a simple, portable fashion. It consists of a set of pragmas, APIs, and environment variables, and it is supported by compilers on a wide range of platforms. OpenMP's greatest attributes are this portability and the simplicity it brings to parallel programming.
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