Shuhao> Just the original Xournal for now.
 Shuhao> It gets pretty bad..

I got a 28 pages of handwritten notes (really full) to do some
testing. 

All these tests were done in continuous mode:

In my laptop the major lag is resizing the document. It takes between 1
and 2 seconds. Opening the file takes a similar amount of time.

In my tablet (Windows, Lenovo Thinkpad 2, with atom CPU) it takes 10
seconds to open the file (the parsing of the XML is hard :) but
scrolling is smooth. Resizing takes 4-5 seconds.

Interestingly it does not seem to matter if I am in one page or
continuous mode. it still takes 4-5 seconds to resize the page!

Switching between one-page and continous takes few seconds too!!!

--dmg

 Shuhao> Shuhao

 Shuhao> On 11/20/2013 06:57 PM, Wilson Brenna wrote:
 >> I've noticed slowing down in the original Xournal, on a netbook, correlated
 >> to high RAM usage. It was not uncommon for a couple of days of lecture
 >> notes to eat > 500Mb. This might be something to look at with gtk3+...
 >> 
 >> -Wilson
 >> 
 >> 
 >> On Wed, Nov 20, 2013 at 6:44 PM, dmg <d...@uvic.ca> wrote:
 >> 
 >>> You are referring to the gtk3+ version, right?
 >>> 
 >>> I was in discussions with the goocanvas mailing list about it, and we
 >>> pinned the reason last night (at least for slow scrolling).
 >>> 
 >>> gnomecanvas when requested to do something first checked if it was
 >>> necessary. goocanvas does not, so we have to bre more careful.
 >>> 
 >>> I'll probably fix it in the next week or so.
 >>> 
 >>> On Wed, Nov 20, 2013 at 2:10 PM, Shuhao Wu <shu...@shuhaowu.com> wrote:
 >>>> I get pretty bad performance after about 14 pages of notes. Adding a
 >>>> page, loading and everything gets really slow.
 >>>> 
 >>>> Can we mitigate this somehow? I noticed that .xoj files are compressed
 >>>> files (?), can we chain these files together so the performance doesn't
 >>>> degrade?
 >>>> 
 >>>> Shuhao
 >>>> 
 >>>> 
 >>> ------------------------------------------------------------------------------
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 >>>> 
 >>> 
 >>> 
 >>> 
 >>> --
 >>> --dmg
 >>> 
 >>> ---
 >>> Daniel M. German
 >>> http://turingmachine.org
 >>> 
 >>> 
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 >>> 
 >> 


--
Daniel M. German                  "It is by the solution of problems that the
                                   investigator tests the temper
                                   of his steel;
                                   he finds new methods
                                   and new outlooks, and gains\a wider and 
freer horizon."
                                   D. Hilbert
http://turingmachine.org/
http://silvernegative.com/
dmg (at) uvic (dot) ca
replace (at) with @ and (dot) with .

 

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