Sandbox Prefetching: Safe run-time evaluation of aggressive prefetchers

@article{Pugsley2014SandboxPS,
  title={Sandbox Prefetching: Safe run-time evaluation of aggressive prefetchers},
  author={Seth H. Pugsley and Zeshan Chishti and Chris Wilkerson and Peng-fei Chuang and Robert L. Scott and Aamer Jaleel and Shih-Lien Lu and Kingsum Chow and Rajeev Balasubramonian},
  journal={2014 IEEE 20th International Symposium on High Performance Computer Architecture (HPCA)},
  year={2014},
  pages={626-637}
}
Memory latency is a major factor in limiting CPU performance, and prefetching is a well-known method for hiding memory latency. Overly aggressive prefetching can waste scarce resources such as memory bandwidth and cache capacity, limiting or even hurting performance. It is therefore important to employ prefetching mechanisms that use these resources prudently, while still prefetching required data in a timely manner. In this work, we propose a new mechanism to determine at run-time the… CONTINUE READING
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