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...c graph representation of the control flow graph of a routine. Instrumentation can be added to uniquely identify paths executed at runtime. Path profiles enable precise enumeration of the sequence of basic blocks executed in order for a particular path. Using path profiles has been demonstrated by [Young98] to perform better global scheduling than edge profiles. Superblocks constructed from path profiles offer more opportunities for speculative code motion thereby improving program performance. About Me : I am a PhD candidate at Simon Fraser University, Canada. My research primarily deals with compu...

...de of the branch is only 1. Furthermore, we reduce the amount of instrumentation using [Ball94] which is proven to be optimal. > > Path profiles enable precise enumeration of the sequence of basic blocks executed in order for a particular path. Using path profiles has been demonstrated by [Young98] to perform better global scheduling than edge profiles. > I haven't had time to digest [Young98]. Could you explain in some more > detail which optimizations stand to benefit from path profile information? [Young98] target superblock enlargement optimizations. Having precise informatio...