Slicer3:Performance Analysis

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Slicer3

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Slicer 3 Performance Analysis

We are looking into performance analysis on the Slicer3 codebase in order to streamline execution where possible, identify parts of the program to optimize, and determine which parts of Slicer3 are using the most system resources. We are currently in the process of determining which profilers to use on the various Slicer platforms.

Tools

Statistical Profilers

Profilers for Multi-threaded Applications

Runtime Instrumentation

An initial valgrind suppressions file for slicer is in subversion. It includes an example command line to run it with slicer that also uses the VTK, ITK, KWWidgets suppression files.

Targets

  • DICOM reader / GDCM
  • vtkITK
  • ImageReslice
  • ITK resampler w/ deformable transform

Sample Files

oprofile:

KCachegrind: