Programming an astrophysics application in an object-oriented parallel language

Author

Yang, Shelby X. ; Lee, Jenq Kuen ; Narayana, Srinivas P. ; Gannon, Dennis

Author_Institution

Center for Innovative Comput. Applications, Indiana Univ., Bloomgington, IN, USA

fYear

1992

fDate

26-29 Apr 1992

Firstpage

236

Lastpage

239

Abstract

A three-dimensional hydrodynamic code is used to test a newly developed parallel C++ (pC++) language and compiler. The original code is written in FORTRAN77 and is designed to model self-gravitating compressible gas flows. The code is rewritten in pC++ and is tested on a BBN GP1000 and an Alliant FX/2800. Nearly linear speed-up is achieved on both machines. On the Alliant comparison between the pC++ code and the original FORTRAN77 code is conducted. For processor numbers ⩾6, the pC++ code outperforms the FORTRAN77 code which is automatically vectorized and parallelized by the Alliant FORTRAN compiler

Keywords

C language; astrophysical fluid dynamics; astrophysics computing; compressible flow; digital simulation; flow simulation; object-oriented languages; object-oriented programming; parallel languages; parallel programming; program compilers; Alliant FX/2800; BBN GP1000; FORTRAN77 code; astrophysics; compiler; linear speed-up; object-oriented parallel language; pC++; programming; self-gravitating compressible gas flows; three-dimensional hydrodynamic code; vectorization; Astrophysics; Data structures; Grid computing; Hydrodynamics; Object oriented programming; Parallel languages; Parallel processing; Parallel programming; Poisson equations; Testing;

fLanguage

English

Publisher

ieee

Conference_Titel

Scalable High Performance Computing Conference, 1992. SHPCC-92, Proceedings.

Conference_Location

Williamsburg, VA

Print_ISBN

0-8186-2775-1

Type

conf

DOI

10.1109/SHPCC.1992.232637

Filename

232637