it seems very expensive to me.
the .scrollTop = is a dom operation i'm guessing ?
________________________________
From: Dietrich Streifert [mailto:[EMAIL PROTECTED]
Sent: Monday, August 06, 2007 12:07 PM
To: qooxdoo Development
Subject: Re: [qooxdoo-devel] qx.ui.table.Table with (too) many columns
Ah ok my mistake. I'm using some revision of branches/legacy_0_7_x.
Ok then this makes sense.
Bart van der Werf schrieb:
on my version of qx widget.js: 6878 is
setScrollTop : function(nScrollTop)
{
this._visualPropertyCheck();
this._getTargetNode().scrollTop = nScrollTop;
},
________________________________
From: Dietrich Streifert [mailto:[EMAIL PROTECTED]
Sent: Monday, August 06, 2007 11:42 AM
To: qooxdoo Development
Subject: Re: [qooxdoo-devel] qx.ui.table.Table with
(too) many columns
The profile indicates that a huge amount of time is
spent in Widget.js at line 6878:
setScrollLeft : function(nScrollLeft)
{
this._visualPropertyCheck();
this._getTargetNode().scrollLeft = nScrollLeft;
},
So this might be worse investigating why this is done.
Scroll left means horizontal scrolling.
Did you perform any horizontal scrolling during your
profile catch?
Bart van der Werf schrieb:
Sorry i need to redo the baseline, i see that
the original baseline was on twenty columns, this one on 7 columns
________________________________
From: Bart van der Werf [mailto:[EMAIL
PROTECTED]
Sent: Monday, August 06, 2007 10:36 AM
To: qooxdoo Development
Subject: Re: [qooxdoo-devel]
qx.ui.table.Table with (too) many columns
ok, i renamed it to
webgui.ui.comtecgrid.ComtecGridDataCellRenderer
so it might appear as a different name
in the profile
it does feel abit faster.
firefox crashed on the first attempt to
profile :)
on a grid with 8 columns and a few
thousand rows.
# full-url
file-name
function-name
start-line
end-line
call-count
recurse-depth
total-time
min-time
max-time
avg-time
own-total-time
own-min-time
own-max-time
own-avg-time
http://localhost:4499/Website/qooxdoo-0,7,1-sdk/frontend/framework/source/class/qx/ui/core/Widget,js
Widget,js
anonymous
6878
6881
1036
0
9859,6
0,0
46,9
9,5
9859,6
0,0
46,9
9,5
http://localhost:4499/Website/qooxdoo-0,7,1-sdk/frontend/framework/source/class/qx/ui/table/pane/Pane,js
Pane,js
anonymous
491
612
700
0
24844,2
0,0
78,1
35,5
7984,5
0,0
62,5
11,4
http://localhost:4499/Website/prototype/source/class/webgui/ui/comtecgrid/ComtecGridDataCellRenderer,js
ComtecGridDataCellRenderer,js
anonymous
88
95
151656
0
7234,5
0,0
15,6
0,1
7234,5
0,0
15,6
0,1
http://localhost:4499/Website/qooxdoo-0,7,1-sdk/frontend/framework/source/class/qx/ui/table/rowrenderer/Default,js
Default,js
anonymous
447
482
19593
0
4984,5
0,0
15,6
0,3
4968,9
0,0
15,6
0,3
http://localhost:4499/Website/prototype/source/class/webgui/ui/comtecgrid/ComtecGridTableModel,js
ComtecGridTableModel,js
anonymous
61
82
151656
0
2343,8
0,0
15,6
0,0
1734,4
0,0
15,6
0,0
http://localhost:4499/Website/qooxdoo-0,7,1-sdk/frontend/framework/source/class/qx/ui/core/Widget,js
Widget,js
anonymous
6930
6933
702
0
937,5
0,0
31,3
1,3
937,5
0,0
31,3
1,3
http://localhost:4499/Website/qooxdoo-0,7,1-sdk/frontend/framework/source/class/qx/ui/table/pane/Model,js
Model,js
anonymous
210
213
155287
0
1359,4
0,0
15,6
0,0
656,3
0,0
15,6
0,0
http://localhost:4499/Website/qooxdoo-0,7,1-sdk/frontend/framework/source/class/qx/core/Target,js
Target,js
anonymous
276
312
31455
15
14640,9
0,0
62,5
0,5
468,8
0,0
15,6
0,0
http://localhost:4499/Website/gossip/Gossip,js
Gossip,js
anonymous
493
495
171147
0
375,0
0,0
15,6
0,0
375,0
0,0
15,6
0,0
http://localhost:4499/Website/qooxdoo-0,7,1-sdk/frontend/framework/source/class/qx/core/Object,js
Object,js
anonymous
543
567
13340
0
375,0
0,0
15,6
0,0
375,0
0,0
15,6
0,0
average from 240 to 78 on Pane !! very
good
________________________________
From: Dietrich Streifert [mailto:[EMAIL
PROTECTED]
Sent: Monday, August 06, 2007 10:08 AM
To: qooxdoo Development
Subject: Re: [qooxdoo-devel]
qx.ui.table.Table with (too) many columns
Can you do the same pofile using
qx.ui.table.pane.Pane.USE_ARRAY_JOIN
= false;
and using the attached direct
cellrenderer please?
You have to change the extension from
.j_ to .js and you have to adapt the namespace to your needs. Give it a try.
Bart van der Werf schrieb:
From: Dietrich Streifert
Does the profile include the initial
showup of the table?
This profile is of scrolling one row up
and down for a while.
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--
Mit freundlichen Grüßen
Dietrich Streifert
--
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Registergericht: Handelsregister Fürth, HRB 6573
Geschäftsführer: Stefan Lindner
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