[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] #5941 Create skylines directly from glyph outlines.

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• labels: --> Fixed_2_21_2
• status: Started --> Fixed
• Patch: push -->
• Comment:

commit 79ec62e686a95bbb8bb8b61a3dcbd702de0abb91
Author:     Han-Wen Nienhuys <address@hidden>
AuthorDate: Sat May 2 09:33:36 2020 +0200
Commit:     Han-Wen Nienhuys <address@hidden>
CommitDate: Fri May 8 09:14:30 2020 +0200

    Create skylines directly from glyph outlines.

    This avoids creating garbage for the intermediate Scheme data to
    transport the glyph outlines.

    a20f8b786e - Create skylines directly from glyph outlines.
      baseline: 267e894e79 Thread skyline construction through stencil interpretation
      args: input/regression/mozart-hrn-3
      memory: med diff 76 (stddevs 77 85, n=3)
      memory: med diff 0.0 % (a20f8b786e is neutral)
      time: med diff 0.02 (stddevs 0.02 0.02, n=3)
      time: med diff 0.6 % (a20f8b786e is neutral)

    a20f8b786e - Create skylines directly from glyph outlines.
      baseline: 267e894e79 Thread skyline construction through stencil interpretation
      args: -I carver MSDM
      memory: med diff -19408 (stddevs 134 228, n=5)
      memory: med diff -1.8 % (a20f8b786e is leaner)
      time: med diff -1.14 (stddevs 0.10 0.14, n=5)
      time: med diff -2.3 % (a20f8b786e is faster)

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[issues:#5941] Create skylines directly from glyph outlines.

Status: Fixed
Labels: Fixed_2_21_2
Created: Sun Apr 26, 2020 07:44 AM UTC by Han-Wen Nienhuys
Last Updated: Thu May 07, 2020 08:50 AM UTC
Owner: Han-Wen Nienhuys

This avoids creating garbage for the intermediate Scheme data to
transport the glyph outlines.

Benchmark:

benchmark for arguments: input/regression/mozart-hrn-3.ly
raw data: {'ac8eaa37ee': [2.73, 2.7, 2.73], '893552a691': [2.7, 2.71, 2.71]}
med diff -0.732601 % (893552a691 is faster)

benchmark for arguments: -I carver MSDM
raw data: {'ac8eaa37ee': [52.43, 52.41, 52.17], '893552a691': [52.47, 52.33, 52.18]}
893552a691 - Create skylines directly from glyph outlines.
med diff -0.152643 % (893552a691 is faster)

(for Carver score, the difference is at noise)

https://codereview.appspot.com/561730043

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