NDLI: FastTrack:efficient and precise dynamic race detection

Content Provider	ACM Digital Library
Author	Flanagan, Cormac Freund, Stephen N.
Abstract	\begin{abstract} Multithreaded programs are notoriously prone to race conditions. Prior work on dynamic race detectors includes fast but imprecise race detectors that report false alarms, as well as slow but precise race detectors that never report false alarms. The latter typically use expensive vector clock operations that require time linear in the number of program threads. This paper exploits the insight that the full generality of vector clocks is unnecessary in most cases. That is, we can replace heavyweight vector clocks with an adaptive lightweight representation that, for almost all operations of the target program, requires only constant space and supports constant-time operations. This representation change significantly improves time and space performance, with no loss in precision. Experimental results on Java benchmarks including the Eclipse development environment show that our FastTrack race detector is an order of magnitude faster than a traditional vector-clock race detector, and roughly twice as fast as the high-performance DJIT+ algorithm. FastTrack is even comparable in speed to Eraser on our Java benchmarks, while never reporting false alarms.
Starting Page	121
Ending Page	133
Page Count	13
File Format	PDF
ISSN	03621340 15581160
DOI	10.1145/1543135.1542490
Journal	ACM SIGPLAN Notices (SIGP)
Volume Number	44
Issue Number	6
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1983-05-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Concurrency Dynamic analysis Race conditions
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Software

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