Java memory model - PowerPoint PPT Presentation

Topic 4d – Memory Semantics and Codelet Execution Model

Topic 4d – Memory Semantics and Codelet Execution Model. CPEG421/621 – Compiler Design. Outline. Introduction Memory Semantics: Three Key Questions Question Q1 and Location Consistency Question Q2 and Q3 Memory Semantics and Codelet Execution Model Summary .

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445 views • 34 slides

Memory Consistency Models

Memory Models: The Case for Rethinking Parallel Languages and Hardware Sarita Adve University of Illinois at Urbana-Champaign sadve@cs.uiuc.edu. Memory Consistency Models. Memory model is at the heart of concurrency semantics 20 year journey from confusion to convergence at last!

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356 views • 24 slides

Dennis Byrne dennisbyrne@apache

Memory Barriers. Dennis Byrne dennisbyrne@apache.org. Defining the Problem. Object connection = null; boolean initialized = false; // thread 1 writes twice // thread 2 reads twice connection = new Connection(); if(initialized)

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198 views • 10 slides

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