OpenMP 4.0

28 November 2013

OpenMP Architecture Review Board (ARB)

The OpenMP consortium has released OpenMP 4.0 application program interface (API). OpenMP is a multi-platform shared memory parallel programming model for C, C++ and Fortran programming languages.

The program is designed to be a portable, scalable model that gives shared-memory parallel programmers an interface for developing parallel applications, for platforms ranging from multicore systems and SMPs to embedded systems. The OpenMP 4.0 standard API supports the programming of accelerators, SIMD programming, and better optimisation using thread affinity.

OpenMP 4.0 is designed to be a step towards increasing user productivity for multi- and many-core programming. The creators are trying to implement this by standardising accelerator programming, adding task dependencies, SIMD support, cancellation, and NUMA awareness.

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