Memory and Beyond USC December 2016 Maurice Herlihy public void - PowerPoint PPT Presentation

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Hardware Transactional Memory and Beyond USC December 2016 Maurice Herlihy public void LeftEnq(item x) atomic { Qnode q = new Qnode(x); q.left = left; left.right = q; left = q; } } code in block executed atomically Apps, Apps,

Hardware Transactional Memory and Beyond USC December 2016 Maurice Herlihy
public void LeftEnq(item x) atomic { Qnode q = new Qnode(x); q.left = left; left.right = q; left = q; } } code in block executed “atomically”
Apps, Apps, Apps
High-Level Languages (actual Haskell code) 4
A tale of injustice Not Exactly. and long-deferred revenge?
Just a Passing Fad?
Privatization & Publication?
Basic Language Support
Isolation Levels
Does STM have a Future?
Hybrid TM?
Escape Actions?
Progress?
Too Big
Too Slow
Just Not in the Mood
Distributed TM?
New Architectures?
Accelerators?
Transactions! Locks!
Transactions! Locks!
The Takeaway?
293,000 Google 109,000 Bing 106,000 Yahoo!
Correctness Properties
Impossibility Results

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