PPT-CS7810 Prefetching

Author : phoebe-click | Published Date : 2016-09-07

Seth Pugsley Predicting the Future Where have we seen prediction before Does it always work Prefetching is prediction Predict which cache line will be used next

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CS7810 Prefetching: Transcript

Seth Pugsley Predicting the Future Where have we seen prediction before Does it always work Prefetching is prediction Predict which cache line will be used next and place it in the cache before it is used. Ankit Sethia. 1. , Ganesh Dasika. 2. , . Mehrzad. Samadi. 1. ,. Scott Mahlke. 1. 1-University of Michigan. 2-ARM R&D Austin. 1. Introduction. 2. High Throughput – 1 . TeraFlop. . High Energy Efficiency. Prefetching. T.J. Giuli. †. Christopher . Peplin. †. David Watson. †‡. Brett Higgins. Jason Flinn . . Brian Noble. †. ‡. Prefetching. + Mobile Networks. Brett Higgins. 2. Time, . distance. CMP: 2 or 4 cores, 3.2GHz ROB size: 128 Fetch/Exec/Retire/Commit width: 4 / 7 / 5 / 3 Branch predictor: G-share, 64KB, 4K BTB Branch misprediction penalty: 10 cycles Processor side prefetcher: Stride Shared-Resource Management. for Multi-Core Systems. Eiman Ebrahimi. *. Chang . Joo. . Lee. *. +. Onur. . Mutlu. ‡. Yale N. . Patt. *. * HPS Research Group . The University of Texas at Austin. of . Remote Data. Arun Raman. Princeton University. Greta . Yorsh. ARM, UK. Martin . Vechev. IBM . Research&ETH. Zurich. Eran. . Yahav. Technion. , Israel. Acknowledgments: . Nick Mitchell and Mark . Computer Systems. Intel Collaborative Research Institute. Computational Intelligence. Yoav. . Etsion. , . Technion. CS & EE. Dan . Tsafrir. , . Technion. CS. Shie. . Mannor. , . Technion. EE. Tekin. . Bicer. , . Jian. Yin, David Chiu, . Gagan. . Agrawal. . and Karen . Schuchardt. Ohio State University. Washington State University. Pacific Northwest National Laboratories. 1. †. †. Ankit Sethia. 1. , Ganesh Dasika. 2. , . Mehrzad. Samadi. 1. ,. Scott Mahlke. 1. 1-University of Michigan. 2-ARM R&D Austin. 1. Introduction. 2. High Throughput – 1 . TeraFlop. . High Energy Efficiency. . Smruti. R. . Sarangi. Contents. Motivation for Prefetching. Simple Schemes. Recent Work. Proactive Instruction Fetching. Return Address Stack Directed Prefetching. Pentium 4 Trace Cache. University of Virginia. April . 26, . 2016. COMPUTER ARCHITECTURE . CS 6354. Prefetching. The content and concept of this course are adapted from CMU ECE 740. AGENDA. Logistics. Review . from last . lecture. . Smruti. R. . Sarangi. Contents. Motivation for Prefetching. Simple Schemes. Recent Work. Proactive Instruction Fetching. Return Address Stack Directed Prefetching. Pentium 4 Trace Cache. Exploiting Unique Opportunities. Ahmad . Lashgar. and . Amirali. . Baniasadi. ECE Department. University of Victoria. 1. Overview. Prefetching Challenges:. Prefetching accuracy. Timeliness. Bandwidth control. Results and Awards. Seth . Pugsley. Thanks!. Big thanks to Hyesoon Kim and the Program Committee. Babak. . Falsafi. Mike . Ferdman. . Aamer. Jaleel. Daniel Jiménez Calvin Lin . Moin. Qureshi. to Support VCR-like Operations in Gossip-based P2P . VoD. Systems. Tianyin. . Xu. , . Weiwei. Wang, . Baoliu. Ye . Wenzhong. Li, . Sanglu. . Lu, Yang . Gao. Nanjing University. Dislab. , NJU CS.

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