An understanding of parallel execution as good as, if not better than, our current understanding of conventional von Neumann execution is required in order to exploit the potential offered by multi-Transputer and other parallel systems.
ParSiFal's GRAIL display and occam profiling tools have been recognized as providing valuable visualization of how occam programs execute in Transputer arrays.
Here I explain how the GRAIL interface has been designed and used to enhance understanding of occam program structure and activity.
More on the
@inproceedings(SS-ITUK88, author = "Susan Stepney", title = "Understanding Multi-transputer Execution", booktitle = "IT UK 88, University College Swansea, UK", year = 1988 )