Title :
OpenMP: an industry standard API for shared-memory programming
Author :
Dagum, L. ; Enon, Rameshm
Author_Institution :
Silicon Graphics Inc., USA
Abstract :
At its most elemental level, OpenMP is a set of compiler directives and callable runtime library routines that extend Fortran (and separately, C and C++ to express shared memory parallelism. It leaves the base language unspecified, and vendors can implement OpenMP in any Fortran compiler. Naturally, to support pointers and allocatables, Fortran 90 and Fortran 95 require the OpenMP implementation to include additional semantics over Fortran 77. OpenMP leverages many of the X3H5 concepts while extending them to support coarse grain parallelism. The standard also includes a callable runtime library with accompanying environment variables
Keywords :
application program interfaces; parallel programming; shared memory systems; software portability; software reviews; software standards; Fortran; Fortran 90; Fortran 95; Fortran compiler; OpenMP; X3H5 concepts; allocatables; callable runtime library; callable runtime library routines; coarse grain parallelism; compiler directives; environment variables; industry standard API; pointers; shared memory parallelism; shared memory programming; ANSI standards; Coherence; Computer architecture; Hardware; Message passing; Parallel processing; Parallel programming; Power system modeling; Scalability; Software systems;
Journal_Title :
Computational Science & Engineering, IEEE
