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lagging cursor move with XML files #2423

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agroszer opened this Issue Mar 28, 2017 · 5 comments

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@agroszer

agroszer commented Mar 28, 2017

Short Summary

Lagging cursor move with XML files

Have a look at the video, notice how the holding down and up arrow keys make moving the current line up/down jump around with the XML file
OTOH the same with a python file is nice and smooth

Steps to Reproduce

open https://github.com/zopefoundation/zope.formlib/blob/master/src/zope/formlib/configure.zcml
open a pyparsing.py (200K ish python code)
I recorded the video with a pristine
Komodo Edit, version 10.2.1, build 17670, platform linux-x86_64.
but experience the same with
Komodo IDE, version 10.2.1, build 89853, platform linux-x86_64.

Expected results

smooth scrolling in all file types

Platform Information

Komodo Edit, version 10.2.1, build 17670, platform linux-x86_64.

Additional Information

https://www.youtube.com/watch?v=LBtsDild_Wk

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mitchell-as commented Mar 28, 2017

Thanks for the report. It looks like Komodo 10 introduced the slowdown. Moving around in K9 is as smooth as butter.

@mitchell-as mitchell-as self-assigned this Mar 28, 2017

@mitchell-as mitchell-as added this to the 11 milestone Mar 28, 2017

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mitchell-as commented Mar 28, 2017

Note to self: turning off 'edit matching tags' and 'edit matching delimiter' has no effect. Scrolling is still slow.

@Naatan Naatan modified the milestones: 10.2.2, 11 Mar 28, 2017

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Naatan commented Mar 28, 2017

Marking this as a priority as I think this might be where all our slowdown reports have been coming from. If the fix is simple enough we should try and include it for 10.2.2.

Thanks for the great report @agroszer !

@Naatan Naatan assigned Naatan and unassigned mitchell-as Mar 28, 2017

@Naatan Naatan closed this in dd6ceab Mar 28, 2017

Naatan added a commit that referenced this issue Mar 28, 2017

Performance: Significantly improved typing speed (no more slight dela…
…ys) - fixes #2423

rn=

(integrated from the KomodoIDE master branch change fc4af340a9 by Nathan Rijksen <n.rijksen@gmail.com>)

Komodo/KomodoIDE@fc4af34
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agroszer commented Mar 31, 2017

if that's the cause for most cursor move lags

ship it guys!

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Naatan commented Mar 31, 2017

That's definitely the plan, but we don't rush releases unless there is something preventing Komodo from running outright.

That said, nightly is up: http://downloads.activestate.com/Komodo/nightly/komodoide/latest/

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