PPT-Speculative Region-based Memory Management for

Big Data Systems Khanh Nguyen Lu Fang Harry Xu Brian Demsky Donald Bren School of Information and Computer Sciences BIG DATA 2 BIG DATA Scalability JVM crashes due to . Avg Access Time 2 Tokens Number of Controllers Average Access Time clock cyles brPage 16br Number of Tokens vs Avg Access Time 9 Controllers Number of Tokens Average Access Time clock cycles brPage 17br brPage 18br 1 2 speculative execution. In order to fully exploit the potential of value speculation, however, a highly accurate value predictor and efficient architectural support for value speculative execution Purple Door Guide 2 The basics Speculative applications involve sending a CV and covering letter to an employer to enquire about possible vacancies in the sector you are interested in. They are a g Benjamin Wester. Peter Chen and Jason . Flinn. University of Michigan. Speculative Execution. Sequential dependent tasks. Predict results of Task A. to break dependence. Execute Task B in parallel. Isolate all effects. via. Merge Semantics in STMs. Kaushik. . Ravichandran. (kaushikr@gatech.edu). Santosh. . Pande. (santosh@cc.gatech.edu) . College of Computing. Georgia Institute of Technology. Introduction. Connected Components Problem and Speculative Parallelization. Garbage Collector . Khanh Nguyen. , Lu Fang, . Guoqing. . Xu. , . Brian . Demsky. , . Sanazsadat. . Alamian. , . University of Chicago. ETH Z. ür. ich. University of California, Irvine. Shan Lu. Onur. Landon Cox. April . 5, . 2017. Making disk accesses tolerable. Basic idea. Remove disk accesses from critical path. Transform disk latencies into memory latencies. Requires predicting the future. Caching. of Full . GC. . in Memory-hungry Environments. Yang Yu. , . Tianyang. Lei, . Weihua. Zhang, . Haibo. Chen, . Binyu. . Zang. Institute of Parallel and Distributed Systems (IPADS). Shanghai Jiao Tong University, China. OPERATING SYSTEMS . MEMORY MANAGEMENT. 8: Memory Management. 2. What Is In This Chapter?. Just as processes share the CPU, they also share physical memory. This chapter is about mechanisms for doing that sharing.. BYU CS 345. Memory Management. 2. CS 345. Stalling’s Chapter. #. Project. 1: Computer System Overview. 2: Operating System Overview. 4. P1:. Shell. 3: Process Description and Control. 4: Threads. 4. Rethinking . of . the Memory Hierarchy. Sarita. Adve, . Vikram Adve,. Rob Bocchino. , Nicholas Carter, Byn . Choi, . Ching-Tsun. Chou, . Stephen Heumann, . Nima. Honarmand, Rakesh Komuravelli, Maria Kotsifakou, . Outline. Introduction. Memory Management Basics. Android Memory Management. iOS Memory Management. 2. Goal of Memory Management. Memory management is part of an operating system which allocates memory among competing processes, maximizing memory utilization and system throughput. Big Data Systems. Khanh. Nguyen, Lu Fang, Harry . Xu. , Brian . Demsky. Donald Bren School of . Information and Computer Sciences. BIG DATA. …. 2. BIG DATA. Scalability . JVM crashes . due to . Lecture 19. April . 4. th. , . 2012. Bus-Based Shared Memory (. Con’t. ). Distributed Shared Memory. Prof John D. Kubiatowicz. http://www.cs.berkeley.edu/~kubitron/cs252. Recall: Natural Extensions of Memory System.