1. 15 Nov, 2016 1 commit
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  4. 27 Oct, 2016 1 commit
    • Marius Kriegerowski's avatar
      Merge branch 'fft_convolve' into 'master' · 59c4ebe6
      Marius Kriegerowski authored
      ifc: use scipy fftconvolve instead of numpy convolve.
      
      Performance increases significantly for long time windows when using fftconvolve over convolve. I tested two data sets: ASPO and the alentejo example dataset. Checkout the attached terminal output of the alentejo example. 
      At the top: the current master branch version. The numbers in between the lines are processing times needed for that specific time window.
      At the bottom: the proposed version using fftconvolve. It's a bit faster as you can see.
      However, the ifc pre-processing of the ASPO  application of Jose accelerates by a factor of about 35 when using fftconvolve!
      The maximum relative (!) differences in trace amplitude when comparing both versions if about 1e-6 . Hence, negligible, I think. Also, detections are identical.
      ...Just faster.
      [lassie_compare.txt](/uploads/3f7e1cf3054ca9e8f355e0df6419244f/lassie_compare.txt)
      
      See merge request !3
      59c4ebe6
  5. 27 Jul, 2016 1 commit
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  12. 31 May, 2016 9 commits