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Uncovering Performance Problems in Java Applications With Reference Propagation Profiling

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Executive Summary

Many applications suffer from run-time bloat: excessive memory usage and work to accomplish simple tasks. Bloat significantly affects scalability and performance, and exposing it requires good diagnostic tools. The authors present a novel analysis that profiles the run-time execution to help programmers uncover potential performance problems. The key idea of the proposed approach is to track object references, starting from object creation statements, through assignment statements, and eventually statements that perform useful operations. This propagation is abstracted by a representation they refer to as a reference propagation graph. This graph provides path information specific to reference producers and their run-time contexts.

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