Understanding Parallelism-Inhibiting Dependences in Sequential Java Programs

Provided by: The Ohio Society of CPAs
Topic: Hardware
Format: PDF
Many existing sequential components, libraries, and applications will need to be re-engineered for parallelism. This paper proposes a dynamic analysis of sequential Java programs that helps a programmer to understand bottlenecks for parallelism. The analysis measures the parallelism available in the program by considering a hypothetical parallel execution in which the code within a method executes sequentially, but each caller will execute in parallel with its callees. A best case scenario is assumed: every statement executes as early as possible, as long as all dependences from the sequential program are satisfied.

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