Graduate Project
 

Porting and optimizing a routing library for C* on the iPSC/860

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https://ir.library.oregonstate.edu/concern/graduate_projects/rx913z506

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  • High level data-parallel languages are easy to use and shield the programmer from machine specific details. A simple and efficient way of providing an interface to such languages is to develop a machine-independent compiler and a routing library, which isolates the low-level machine dependent communication functions, The compiler translates the high-level language source code into C (or some other high­-level sequential language) code. It also includes calls to the routing library routines whenever it comes across a statement in the source code, which requires a communication. C* is a data-parallel language designed for Connection Machine computers by Thinking Machines corporation. A routing library for C* on the Intel Touchstone Delta was developed at the University of New Hampshire. This project dealt with porting this library to the Intel iPSC/860 system by making alterations to the library routines and the makefile. The original mesh-based communication routines were also converted to hypercube style communications. The assembly code generated for these hypercube routines was optimized. Various benchmark C* programs were written and the timings for these were recorded, and the speedup curves plotted.
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