Craig Zilles, Gurindar S. Sohi
Abstract
A relatively small set of static instructions has significant leverage on program execution performance. These problem instructions contribute a disproportionate number of cache misses and branch mispredictions because their behavior cannot be accurately anticipated using existing prefetching or branch prediction mechanisms.
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A relatively small set of static instructions has significant leverage on program execution performance. These problem instructions contribute a disproportionate number of cache misses and branch mispredictions because their behavior cannot be accurately anticipated using existing prefetching or branch prediction mechanisms.
Key concepts: Computer science, Leverage (statistics), Branch predictor, Speculative execution, Parallel computing, Speculative multithreading, Cache, Execution time