Function RunBenchmark

Examples/ImageProcessing/Cxx/ImageBenchmark.cxx:1182–1363

Run a benchmark on the named filter

// Run a benchmark on the named filter
static bool RunBenchmark(const std::string& filterName, const std::string& sourceName,
  const int size[3], int scalarType, const std::string& splitMode, bool useSMP,
  vtkIdType bytesPerPiece, int minPieceSize[3], int clearCacheSize, std::vector<int>& threads,
  int runs, const std::string& units, bool reportFilter, const std::string& outputFile, bool slave)
{
  vtkSmartPointer<vtkThreadedImageAlgorithm> filter;
  filter.TakeReference(CreateFilter(filterName, size));
  if (!filter.GetPointer())
  {
    return false;
  }

  vtkSmartPointer<vtkImageData> data;
  data.TakeReference(CreateData(sourceName, scalarType, size));
  if (!data.GetPointer())
  {
    return false;
  }

  if (splitMode == "slab")
  {
    filter->SetSplitModeToSlab();
  }
  else if (splitMode == "beam")
  {
    filter->SetSplitModeToBeam();
  }
  else if (splitMode == "block")
  {
    filter->SetSplitModeToBlock();
  }

  filter->SetEnableSMP(useSMP);
  if (useSMP)
  {
    if (bytesPerPiece)
    {
      filter->SetDesiredBytesPerPiece(bytesPerPiece);
    }
    if (minPieceSize[0] > 0 && minPieceSize[1] > 0 && minPieceSize[2] > 0)
    {
      filter->SetMinimumPieceSize(minPieceSize);
    }
  }
  else
  {
    if (!threads.empty())
    {
      filter->SetNumberOfThreads(threads[0]);
    }
  }

  filter->SetInputData(data);

  if (Verbose)
  {
    PrintInfo(filter, std::cout);
  }