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2002•ACM Transactions on Mathematical SoftwareRequires access

Algorithm 821

Richard J. Hanson, Clay P. Breshears, Henry A. Gabb

Open publisher page 5 citations

Abstract

Pthreads is the library of POSIX standard functions for concurrent, multithreaded programming. The POSIX standard only defines an application programming interface (API) to the C programming language, not to Fortran. Many scientific and engineering applications are written in Fortran. Also, many of these applications exhibit functional, or task-level, concurrency. They would benefit from multithreading, especially on symmetric multiprocessors (SMP). We present here an interface to that part of the Pthreads library that is compatible with standard Fortran. The contribution consists of two primary source files: a Fortran module and a collection of C wrappers to Pthreads functions. The Fortran module defines the data structures, interface and initialization routines used to manage threads. The stability and portability of the Fortran API to Pthreads has been demonstrated using common mathematical computations on several SMP systems.

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What this paper is about

Pthreads is the library of POSIX standard functions for concurrent, multithreaded programming. The POSIX standard only defines an application programming interface (API) to the C programming language, not to Fortran. Many scientific and engineering applications are written in Fortran. Also, many of these applications exhibit functional, or task-level, concurrency. They would benefit from multithreading, especially on symmetric multiprocessors (SMP). We present here an interface to that part of the Pthreads library that is compatible with standard Fortran. The contribution consists of two primary source files: a Fortran module and a collection of C wrappers to Pthreads functions. The Fortran module defines the data structures, interface and initialization routines used to manage threads. The stability and portability of the Fortran API to Pthreads has been demonstrated using common mathematical computations on several SMP systems.

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Available abstract

Pthreads is the library of POSIX standard functions for concurrent, multithreaded programming. The POSIX standard only defines an application programming interface (API) to the C programming language, not to Fortran. Many scientific and engineering applications are written in Fortran. Also, many of these applications exhibit functional, or task-level, concurrency. They would benefit from multithreading, especially on symmetric multiprocessors (SMP). We present here an interface to that part of the Pthreads library that is compatible with standard Fortran. The contribution consists of two primary source files: a Fortran module and a collection of C wrappers to Pthreads functions. The Fortran module defines the data structures, interface and initialization routines used to manage threads. The stability and portability of the Fortran API to Pthreads has been demonstrated using common mathematical computations on several SMP systems.

Key concepts: POSIX Threads, Fortran, Computer science, POSIX, Software portability, Programming language, Multithreading, Interface (matter)

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