Performance issue with 'show spaces' and long lines #9

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opened 2014-07-13 06:12:06 -05:00 by dgrunwald · 0 comments

dgrunwald commented

2014-07-13 06:12:06 -05:00

(Migrated from github.com)

SD-1916, originally created on 10/16/2012 18:10:03 by Daniel Grunwald

Enable the "Show spaces" and "Show tabs" options
Create a new text file inside SharpDevelop
Copy this gist: https://gist.github.com/3899997 into the editor
Use operations like Ctrl+A or rectangular selection

Both step 3 and the operations in step 4 feel quite slow. With "Show
tabs" and "Show spaces" disabled, it feels significantly faster.

This seems to be related to EnableEmailHyperlinks/EnableHyperlinks;
turning these two features off increases performance noticably (though
it's still slower than without "Show spaces").

Comment from Daniel Grunwald on 10/16/2012 18:14:46:
AvalonEdit.Benchmark results from my notebook, "ModifyLongLine" with
longLineLength=500, default window dimensions.
With show spaces: 4 FPS
With show spaces but without EnableEmailHyperlinks/EnableHyperlinks: 11
FPS
Without show spaces: 20 FPS
Disabling EnableEmailHyperlinks/EnableHyperlinks has no effect without
show spaces.

SD-1916, originally created on 10/16/2012 18:10:03 by Daniel Grunwald 1. Enable the "Show spaces" and "Show tabs" options 2. Create a new text file inside SharpDevelop 3. Copy this gist: https://gist.github.com/3899997 into the editor 4. Use operations like Ctrl+A or rectangular selection Both step 3 and the operations in step 4 feel quite slow. With "Show tabs" and "Show spaces" disabled, it feels significantly faster. This seems to be related to EnableEmailHyperlinks/EnableHyperlinks; turning these two features off increases performance noticably (though it's still slower than without "Show spaces"). --- **Comment from Daniel Grunwald on 10/16/2012 18:14:46**: AvalonEdit.Benchmark results from my notebook, "ModifyLongLine" with longLineLength=500, default window dimensions. With show spaces: 4 FPS With show spaces but without EnableEmailHyperlinks/EnableHyperlinks: 11 FPS Without show spaces: 20 FPS Disabling EnableEmailHyperlinks/EnableHyperlinks has no effect without show spaces.

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gh-icsharpcode/AvalonEdit#9

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