Revision as of 15:58, 27 August 2010 by Jtulach (Talk | contribs)


Plan for NB 6.10 Performance improvements

This is an implementation plan for performance-related work targeted for NetBeans 6.10 release. It's based on post 6.9 performance topics and NB 6.10 performance goals. It covers work done by all engineering teams, except routine bugfixing.


Milestones below show which tasks should be finished by given date. Completed tasks have the Image:Yes.png check mark.

July 26

  • Image:Yes.png Oleg: Renewed Comparative dashboard
  • Image:Yes.png David, Oleg: Editor typing tests - existing tests fixed + new tests suitable to test the new view hierarchy

August 9

  • David, Oleg: Editor typing tests - measuring new view hierarchy (switch -J-Dorg.netbeans.editor.linewrap=true)
  • Image:Yes.png Jarda: Go to Type - prototype demonstrating desired availability and performance: File:Uber-goto-type-cache.diff
  • Image:Yes.png Jesse: Issue 157283 - Declaratively load lookup items for Maven packaging types

August 23

  • Jarda: Image:Yes.png Dump occupied file descriptors on Unix into log
  • Jarda, Tomas Stupka: Image:Yes.png VCS-FS interaction on renaming folders -- agree on solution. RefactoringFSandVCS
  • Tomas Zezula: Index in memory for fast Go to Type (Issue 177274): automatically reserve part of heap permanently, rest as soft-references.
  • Image:Yes.png Tomas Hurka, Jirka Sedlacek: Time line in Profiler for long CPU snapshots (especially from self-profiling)

September 6

  • Jarda: Image:Yes.png FitnessViaCLITimeLine - sample any application, analyze it in a timeline
  • Jarda: Statistics for people who turned off checking of external changes.
  • Jarda, Tomas Stupka: VCS-FS interaction on renaming folders -- do something. RefactoringFSandVCS

September 20 (Feature Freeze)

Tasks to be planned

  • David's team: Java/Editor improvements, TODO plan individual tasks
    • first prototype
    • complete first version
  • Self-profiling improvements
    • Changes in the IDE: remember last 5 minutes when continuously running
    • Exception reporter (statistics.netbeans.org) can provide new NPSS snapshots for download (besides converted ones to old format)
  • Martin Entlicher: Fast debugger stepping
  • Martin Entlicher: Faster remote debugging - try to avoid class loading events (need JDK patch)
  • All: Measuring performance of sample projects: for selected sample projects of various size measure typical performance characteristics (e.g. a subset of comparative dashboard) to give our users some reference numbers of what performance they can expect
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