Abstract
This paper presents some compiler and program transformation techniques for concurrent multithreaded architectures, in particular the superthreaded architecture [9], which adopts a thread pipelining execution model that allows threads with data dependences and control dependences to be executed in parallel. In this paper, we identify several important program analysis and transformation techniques that allow the superthreaded architecture to exploit more parallelism in programs with less run-time overhead. We evaluate the performance of the superthreaded architecture and the effectiveness of the program transformation techniques by manually compiling several benchmark programs and running them through a trace-driven, cycle-by-cycle superthreaded processor simulator. The simulation results show that a superthreaded processor can achieve promising speedups for most of the benchmark programs with the proposed program transformation techniques applied.
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