Morphological Image Library : Smil vs scikit-image

On taurus

Image metal - Type bin - Function open


SMIL (Simple Morphological Image Library) 1.0.0-dev
Copyright (c) 2011-2016, Matthieu FAESSEL and ARMINES
Copyright (c) 2017-2021, CMM - Centre de Morphologie Mathematique
All rights reserved.

Date     : 30/09/2021 01:52:29 PM
Image    : metal.png
  width  :   256
  height :   256
  depth  :     1
  type   : binary
Function : open
  repeat :     7


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                       *** Image size ***                       

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       0.113       0.005       0.109       0.119 - (ms)
  2.0 -    512  1 -       0.094       0.002       0.092       0.097 - (ms)
  4.0 -   1024  1 -       0.149       0.001       0.147       0.150 - (ms)
  8.0 -   2048  1 -       0.198       0.001       0.196       0.200 - (ms)
 16.0 -   4096  1 -       0.484       0.002       0.481       0.487 - (ms)
 32.0 -   8192  1 -       2.414       0.001       2.413       2.415 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  1.0 -    256  1 -       1.571       0.003       1.568       1.576 - (ms)
  2.0 -    512  1 -       6.262       0.019       6.238       6.294 - (ms)
  4.0 -   1024  1 -      24.811       0.042      24.738      24.878 - (ms)
  8.0 -   2048  1 -     110.035       0.244     109.685     110.433 - (ms)
 16.0 -   4096  1 -     441.343       1.073     439.215     442.498 - (ms)
 32.0 -   8192  1 -    1770.362       2.691    1766.470    1773.760 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
    256 |       0.113 |       1.571 |         13.927  1.144
    512 |       0.094 |       6.262 |         66.362  1.822
   1024 |       0.149 |      24.811 |        166.854  2.222
   2048 |       0.198 |     110.035 |        554.987  2.744
   4096 |       0.484 |     441.343 |        911.785  2.960
   8192 |       2.414 |    1770.362 |        733.516  2.865

  - [*] : ratio and log10(ratio) in columns

* Elapsed time : 100.9 s

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                *** Structuring element size ***                

* Smil

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -       0.195       0.002       0.193       0.199 - (ms)
  8.0 -   2048  2 -       0.291       0.001       0.289       0.292 - (ms)
  8.0 -   2048  3 -       0.383       0.001       0.381       0.385 - (ms)
  8.0 -   2048  4 -       0.471       0.005       0.461       0.475 - (ms)
  8.0 -   2048  5 -       0.557       0.003       0.551       0.560 - (ms)
  8.0 -   2048  6 -       0.650       0.008       0.638       0.661 - (ms)
  8.0 -   2048  7 -       0.728       0.005       0.720       0.735 - (ms)
  8.0 -   2048  8 -       0.823       0.011       0.813       0.847 - (ms)

* skImage

      -   Side SE -        Mean     Std Dev         Min         Max
-------------------------------------------------------------------
  8.0 -   2048  1 -     109.468       0.236     109.144     109.777 - (ms)
  8.0 -   2048  2 -     229.996       0.120     229.825     230.175 - (ms)
  8.0 -   2048  3 -     415.112       0.183     414.937     415.432 - (ms)
  8.0 -   2048  4 -     735.222       0.205     734.848     735.411 - (ms)
  8.0 -   2048  5 -    1076.240       0.125    1076.116    1076.479 - (ms)
  8.0 -   2048  6 -    1453.917       3.088    1452.108    1461.210 - (ms)
  8.0 -   2048  7 -    1894.388       0.111    1894.217    1894.539 - (ms)
  8.0 -   2048  8 -    2399.895       0.219    2399.546    2400.336 - (ms)

* Speed-up : (dt_skimage / dt_Smil)

        |     T(Smil) |  T(skImage) | T(skImage)/T(Smil) [*]
---------------------------------------------------------------
      1 |       0.195 |     109.468 |        562.619  2.750
      2 |       0.291 |     229.996 |        791.338  2.898
      3 |       0.383 |     415.112 |       1084.249  3.035
      4 |       0.471 |     735.222 |       1562.491  3.194
      5 |       0.557 |    1076.240 |       1933.532  3.286
      6 |       0.650 |    1453.917 |       2236.489  3.350
      7 |       0.728 |    1894.388 |       2602.899  3.415
      8 |       0.823 |    2399.895 |       2916.062  3.465

  - [*] : ratio and log10(ratio) in columns

* Elapsed time : 151.3 s


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=> Elapsed time : 253 secs
   Begin        : 13:52:28
   End          : 13:56:41