PPT-Rethinking Prefetching in GPGPUs:

Exploiting Unique Opportunities Ahmad Lashgar and Amirali Baniasadi ECE Department University of Victoria 1 Overview Prefetching Challenges Prefetching accuracy Timeliness Bandwidth control. 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. Others. Matthew . 7:1-6. The . judgmental . attitude. .. Avoid . a judgmental . attitude. .. Make . sure your . standard. is . consistent. .. Rethinking . Others. The judgmental . attitude. .. The judgmental . Tomofumi Yuki . . INRIA . Rennes. Antoine . Morvan. . . ENS . Cachan. Bretagne. Steven . Derrien. . University of Rennes 1. Memory Optimizations. Memory Wall. Adwait Jog. , Onur Kayiran, Asit Mishra, Mahmut Kandemir, Onur Mutlu, Ravi Iyer, Chita Das . Multi-threading. Caching. Prefetching . Main Memory. . Improve. . Replacement . Policies. Parallelize your code!. Enhancement . for Accurate Stream Prefetching. Gang Liu. 1. , . Zhuo. Huang. 1. , . Jih. -Kwon Peir. 1. , . Xudong. Shi. 2. , Lu Peng. 3. 1. University of Florida . 2. Google Inc. 3. Louisiana . State . 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. Adwait Jog. , Onur Kayiran, Asit Mishra, Mahmut Kandemir, Onur Mutlu, Ravi Iyer, Chita Das . Multi-threading. Caching. Prefetching . Main Memory. . Improve. . Replacement . Policies. Parallelize your code!. 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. 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. Data Prefetching. Instead of . instructions . let us now . prefetch. . data. Important distinction. Instructions. are fetched into the in-order part of the OOO pipeline. Data. is fetched into the OOO pipeline. Matthew 5:27-32. Sexual . purity. is more than . sex. .. The . heart. is more telling than the . act. .. Rethinking Marriage. Sexual . purity. is more than . sex. .. The . purity. of your . heart. Tomofumi Yuki . . INRIA . Rennes. Antoine . Morvan. . . ENS . Cachan. Bretagne. Steven . Derrien. . University of Rennes 1. Memory Optimizations. Memory Wall. 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. Easing Restrictions on Home-Based Businesses. Updating HBB regulations became more pressing in the early 2000s as the Internet changed how businesses operated and created new professions. . Few owns comprehensively updated their HBB regulations, which can burden new start-ups and limit business flexibility..