An Effective RCP Application for Program Performance Analysis

Laksono

Eclipse Platform - UI / RCP · Short - 10 minutes
Wednesday, 10:30, 10 minutes | Room 203/204

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We have developed a toolkit that collects performance measurements of fully-optimized executables using sampling, analyzes application binaries to understand the structure of optimized code, correlates measurements with program structure, and presents the resulting performance data in a top-down fashion to facilitate rapid analysis.

In this talk, we focus on our RCP application, which presents performance metrics in the context of a program's source. The RCP can present an arbitrary collection of performance metrics gathered during one or more runs, reveal a "hot path", or compute new derived metrics. It also supports multiple views of performance data that facilitate analysis:
  1. A top-down calling-context view associates an execution's dynamic calling contexts with their costs. Using this view, one can see how much of the application's cost was incurred by a function when called from a particular context.
  2. A bottom-up caller's view enables one to look upward along call paths. This view is useful for understanding the performance of software components or procedures that are called in more than one context.
  3. A flat view organizes performance data according to an application's static structure. All costs incurred in any calling context by a procedure are aggregated together in the flat view. The flat view shows the detailed breakdown of a procedure's cost among its loops, source lines, and inlined code.
Laksono Adhianto is a postdoctoral researcher at Rice University, department of computer science. His research interest includes research and development of tools for measurement and analysis of application performance. He is a member of HPCToolkit project led by Prof. John Mellor-Crummey. HPCToolkit is open-source suite of multi-platform tools for profile-based performance analysis of applications

This session is part of the curated collection of short talks titled
"Real World RCP"

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