A pthreads wrapper for fortran 2003
Research output: Contribution to journal › Research article › Contributed › peer-review
Contributors
Abstract
With the advent of multicore processors, numerical and mathematical software relies on parallelism in order to benefit from hardware performance increases. We present the design and use of a Fortran 2003 wrapper for POSIX threads, called forthreads. Forthreads is complete in the sense that is provides native Fortran 2003 interfaces to all pthreads routines where possible. We demonstrate the use and efficiency of forthreads for SIMD parallelism and task parallelism. We present forthreads/MPI implementations that enable hybrid shared-/distributed-memory parallelism in Fortran 2003. Our benchmarks show that forthreads offers performance comparable to that of OpenMP, but better thread control and more freedom. We demonstrate the latter by presenting a multithreaded Fortran 2003 library for POSIX Internet sockets, enabling interactive numerical simulations with runtime control.
Details
Original language | English |
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Article number | 2558889 |
Journal | ACM transactions on mathematical software |
Volume | 40 |
Issue number | 3 |
Publication status | Published - Apr 2014 |
Peer-reviewed | Yes |
Externally published | Yes |
External IDs
ORCID | /0000-0003-4414-4340/work/159608280 |
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Keywords
ASJC Scopus subject areas
Keywords
- Fortran, Fortran 2003, Mathematical software, Parallel particle-mesh, POSIX threads, PPM library, Pthreads, Scientific computing, Shared-memory programming