Re: [Development] FW: how to improve GraphicsView performance

2012-08-21 Thread Andreas Aardal Hanssen
2012/8/21 > Hi, > > FYI. Can someone help us here ? thanks very much ;) > Thanks, > Song > I think a good start would be to run a profiler like callgrind (search valgrind + kcachegrind) on the code in a host / x86 environment. The code posted here doesn't really say anything. That code as it st

Re: [Development] FW: how to improve GraphicsView performance

2012-08-21 Thread Andreas Aardal Hanssen
2012/8/21 Konstantin Tokarev > > 21.08.2012, 12:24, "song.7@nokia.com" : > > I’m using QGraphicsView to implement google weather in a low-end(CPU: > 300MHz) hardware. All are nice except the performance. > Wether 300 MHz is low-end or not, is highly dependent on architecture. > E.g. 300MHz SPA

Re: [Development] FW: how to improve GraphicsView performance

2012-08-21 Thread Konstantin Tokarev
21.08.2012, 12:24, "song.7@nokia.com" : > > Hi, all > > I’m using QGraphicsView to implement google weather in a low-end(CPU: 300MHz) > hardware. All are nice except the performance. Wether 300 MHz is low-end or not, is highly dependent on architecture. E.g. 300MHz SPARC may be not bad at a

[Development] FW: how to improve GraphicsView performance

2012-08-21 Thread song.7.liu
Hi, FYI. Can someone help us here ? thanks very much ;) Thanks, Song From: Jiang Wenjun (Nokia-MP/Beijing) Sent: Tuesday, August 21, 2012 4:21 PM To: Liu Song.7 (Nokia-MP/Beijing) Subject: FW: how to improve GraphicsView performance Importance: High Hi, all I'm using QGraphicsView to implemen