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image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao https://doi.org/10.1...arrow_drop_down
image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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CARE: cache guided deterministic replay for concurrent Java programs

Authors: Yanyan Jiang; Tianxiao Gu; Chang Xu; Xiaoxing Ma; Jian Lu;

CARE: cache guided deterministic replay for concurrent Java programs

Abstract

Deterministic replay tools help programmers debug concurrent programs. However, for long-running programs, a replay tool may generate huge log of shared memory access dependences. In this paper, we present CARE, an application-level deterministic record and replay technique to reduce the log size. The key idea of CARE is logging read-write dependences only at per-thread value prediction cache misses. This strategy records only a subset of all exact read-write dependences, and reduces synchronizations protecting memory reads in the instrumented code. Realizing that such record strategy provides only value-deterministic replay, CARE also adopts variable grouping and action prioritization heuristics to synthesize sequentially consistent executions at replay in linear time. We implemented CARE in Java and experimentally evaluated it with recognized benchmarks. Results showed that CARE successfully resolved all missing read-write dependences, producing sequentially consistent replay for all benchmarks. CARE exhibited 1.7--40X (median 3.4X) smaller runtime overhead, and 1.1--309X (median 7.0X) smaller log size against state-of-the-art technique LEAP.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
19
Average
Top 10%
Top 10%
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