Simulation of data-parallel programs in Parallaxis-III

Parallaxis is a machine-independent language for data-parallel programming. Sequential Modula-2 is used as the base language. Programming in Parallaxis is done on a level of abstraction with virtual processors and virtual connections, which may be defined by the application programmer. The paper describes a compiler and debugger for Parallaxis-III, which allow the execution of massively parallel programs on sequential workstations, especially for teaching purposes.