PDF-Lecture 7: Lazy & Eager Transactional Memory
Author : cheryl-pisano | Published Date : 2016-05-30
Topics details of 147lazy148 TM scalable lazy TMimplementation details of eager TM 2Lazy Overview TopicsWAR WAW RAW C PR W C PR W C PR W C PR W M A Partially Based
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Lecture 7: Lazy & Eager Transactional Memory: Transcript
Topics details of 147lazy148 TM scalable lazy TMimplementation details of eager TM 2Lazy Overview TopicsWAR WAW RAW C PR W C PR W C PR W C PR W M A Partially Based on TCC An implementati. value abs value 57424574585745557442574525744557453574025737657413574645745657455574545744557454574605744957441574525745257465573765745357441574545746557376574595746157442 57424574585745557442574525744557453574025737657413574645745657455574545744557 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 tumde Abstract So far transactional memoryalthough a promising techniquesuffered from the absence of an ef64257cient hardware implementation The upcoming Haswell microarchitecture from Intel introduces hardware transactional memory HTM in mainstream FernandesJoaoCachopo istutlpt Abstract Software Transactional Memory STM was initially propose d as a lockfree mechanism for concurrency control Early imple menta tions had ef64257ciency limitations and soon obstructionfre e propos als appeared to ta CSeq. :. A . Lazy . Sequentialization. Tool for . C. Omar . Inverso. University of Southampton, UK. Ermenegildo. . Tomasco. University of Southampton, UK. Bernd Fischer. Stellenbosch University, South Africa. Maurice . Herlihy. Computer Science . Dept. Brown University. 2. Not important:. The details.. Important. Irrevocable change. 3. How to think about Synchronization. Poor synchronization . ruins everything. Rajwar. , R., . Herlihy. , M., and Lai, K. 2005. presented by . VasilyVolkov. , 04/30/08. Motivation. Transactional Memory is good. Never deadlocks. Makes concurrent programming easier. But requires programmer to be aware of. Maurice Herlihy (DEC), J. Eliot & B. Moss (UMass). Presenter: Mariano Diaz. CS 5204 – Fall, 2009. Part 1: Concepts and Hardware-based Approaches. Introduction. What’s a transaction?. Transaction: a finite sequence of machine instructions, executed by a single process, that satisfies the following:. Prof. Smruti R. Sarangi. IIT Delhi. Outline. Multicore Processors. Parallel Programming Pardigms. Transactional Memory: Basics. Software Transactional Memory(STM). Hardware Transactional Memory. Multicores in the last Five Years. Prof. Parul Rishi. Faculty of Human Resource Management,. IIFM, Bhopal. parul@iifm.ac.in. Cell: 9009992144. 9/3/2015. TRANSACTIONAL ANALYSIS . definition. TRANSACTIONAL ANALYSIS (TA). is a method of understanding communication between people;. The Mistakes We Make. “Leadership can be developed. However, it cannot be ‘promoted.’”. -Dan Chase (June 16. th,. 2015). “There go the people. I must follow them, for I am their leader." . Alvaro Moreira & Luigi Carro. Instituto de Informática – UFRGS . Brasil. 1. Outline – Part III. Work . done at UFRGS on . detection/correction . of . Control Flow Errors (CFEs) with LLVM. Similarities and differences with Security. The Mistakes We Make. “Leadership can be developed. However, it cannot be ‘promoted.’”. -Dan Chase (June 16. th,. 2015). “There go the people. I must follow them, for I am their leader." . The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. The quick brown fox jumps over the lazy dog. .
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