Abstract
The Fortran Parallel Transformer (FPT) is a parallelization tool for Fortran-77 programs. It is used for the automatic parallelization of loops, program transformations, dependence analysis, performance tuning and code generation for various platforms. FPT is able to deal with GOTO's by restructuring ill-structured code using hammock graph transformations. In this way more parallelism becomes detectable. The X-window based Programming Environment, PEFPT, extends FPT with interactive dependence analysis, the iteration space graph, ISG, and guided loop optimization. FPT contains a PVM (Parallel Virtual Machine) code generator which converts the parallel loops into PVM master- and slave-code for a network of workstations. This includes job scheduling, synchronization and optimized data communication. The productivity gained is about a factor of 10 in programming time and a significant speedup of the execution.
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