Step By Step Transformation of a Fortran 90 Program in HPF, using HPF-Builder

Fortran 90 is the actual standard in term of data parallel language for scientiic computing. To develop a data parallel algorithm on a distributed memory machine, programmers generally use the High Performance Fortran extension of Fortran 90, in particular the data mapping directives. HPF-Builder8] graphical environment goal is to free the HPF programmers of all the syntactic constraints due to the data mapping. All the data distribution and alignment are insured in an interactive and visual way. HPF templates and processors become the visual support for alignments of arrays and distributions on grids of processors. HPF-Builder automatically generates the corresponding HPF directives and inserts them in the Fortran 90 source code. It results in a HPF code.