https://bugs.documentfoundation.org/show_bug.cgi?id=89986
Bug ID: 89986
Summary: PaintHelper performance rendering Calc sheet
containing embedded graphic objects, e.g. macro button
Product: LibreOffice
Version: 4.5.0.0.alpha0+ Master
Hardware: x86-64 (AMD64)
OS: Mac OS X (All)
Status: UNCONFIRMED
Severity: major
Priority: medium
Component: Calc
Assignee: [email protected]
Reporter: [email protected]
Created attachment 114072
--> https://bugs.documentfoundation.org/attachment.cgi?id=114072&action=edit
profiling screenshot
Wile testing an alleged context switching bug using keyboard shortcuts, I
noticed that LO was particularly slow at redrawing a Calc sheet that contained
a macro button, so I did some profiling, see attached screenshot.
There seems to be a significant performance hit in the PaintHelper module of on
average about 100ms on my system :
Nom du modèle : Mac mini
Identifiant du modèle : Macmini4,1
Nom du processeur : Intel Core 2 Duo
Vitesse du processeur : 2,66 GHz
Nombre de processeurs : 1
Nombre total de cœurs : 2
Cache de niveau 2 : 3 Mo
Mémoire : 4 Go
Vitesse du bus : 1,07 GHz
This manifests itself in that when say three different documents are open
simultaneously (Writer, Calc, Database main window), context switching with the
Mac keyboard shortcut Cmd+`causes noticeable delay in redrawing of the Calc
sheet, and it appears to be systematically linked to calls to the PaintHelper
module.
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