作者: James R. Larus , Christopher W. Fraser
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摘要: A program is instrumented to record acyclic paths during execution of the program. whole path produced from and provides a complete compact program's entire control flow. It includes crossing loop boundaries procedure provide picture dynamic behavior. string compression algorithm that constructs context-free grammar used compress trace uncover its regular structure. Heavily executed subpaths are easily identified representation by traversing find hot according input parameters minimum maximum lengths cost.