NDLI: Object race detection

Content Provider	ACM Digital Library
Author	Gross, Thomas R. von Praun, Christoph
Abstract	We present an on-the-fly mechanism that detects access conflicts in executions of multi-threaded Java programs. Access conflicts are a conservative approximation of data races. The checker tracks access information at the level of objects (object races) rather than at the level of individual variables. This viewpoint allows the checker to exploit specific properties of object-oriented programs for optimization by restricting dynamic checks to those objects that are identified by escape analysis as potentially shared. The checker has been implemented in collaboration with an "ahead-of-time"Java compiler. The combination fo static program analysis (escape-analysis) and inline instrumentation during code generation allows us to reduce the runtime overhead of detecting access conflicts. This overhead amounts to about 16-129% in time and less than 25% in space for typical benchmark applications and compares favorably to previously published on-the-fly mechanism that incurred an overhead of about a factor of 2-80 in time and up to a factor of 2 in space.
Starting Page	70
Ending Page	82
Page Count	13
File Format	PDF
ISSN	03621340 15581160
DOI	10.1145/504311.504288
Journal	ACM SIGPLAN Notices (SIGP)
Volume Number	36
Issue Number	11
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	1983-05-01
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Content Type	Text
Resource Type	Article
Subject	Computer Graphics and Computer-Aided Design Software

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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