Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-04 Thread Georg Baum
Abdelrazak Younes wrote: The way I am using QPixmap and QImage is probably not very optimal on X11 when the server and the client is on the same machine but it should be very efficient when they are not. I don't think so. AFAIK the X server and client can use shared memory when running on the

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-04 Thread Abdelrazak Younes
Georg Baum a écrit : Abdelrazak Younes wrote: The way I am using QPixmap and QImage is probably not very optimal on X11 when the server and the client is on the same machine but it should be very efficient when they are not. I don't think so. AFAIK the X server and client can use shared

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-04 Thread Georg Baum
Abdelrazak Younes wrote: > The way I am using QPixmap and QImage is probably not very optimal on > X11 when the server and the client is on the same machine but it should > be very efficient when they are not. I don't think so. AFAIK the X server and client can use shared memory when running on

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-04 Thread Abdelrazak Younes
Georg Baum a écrit : Abdelrazak Younes wrote: The way I am using QPixmap and QImage is probably not very optimal on X11 when the server and the client is on the same machine but it should be very efficient when they are not. I don't think so. AFAIK the X server and client can use shared

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-03 Thread Martin Vermeer
On Wed, 2006-05-03 at 09:56 +0200, Helge Hafting wrote: I was asked to redo my test with a newer lyx 1.5, now I have finally done it: Small test of lyx qt3 and lyx qt4 revision 13787 Both executables use the same config and display. Both apps have the exact same window size in pixels, and

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-03 Thread Jean-Marc Lasgouttes
Martin == Martin Vermeer [EMAIL PROTECTED] writes: Martin Or character widths... LyX does a lot of that. Profiling would Martin tell. Yes! Profiling! Profiling! We really need that. Preferably with oprofile (or sysprof, but only if pissing John L off does not scare you). JMarc

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-03 Thread Abdelrazak Younes
Helge Hafting a écrit : I was asked to redo my test with a newer lyx 1.5, now I have finally done it: Small test of lyx qt3 and lyx qt4 revision 13787 Both executables use the same config and display. Both apps have the exact same window size in pixels, and the main windows happened to have

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-03 Thread Martin Vermeer
On Wed, 2006-05-03 at 09:56 +0200, Helge Hafting wrote: > I was asked to redo my test with a newer lyx 1.5, now > I have finally done it: > > Small test of lyx qt3 and lyx qt4 revision 13787 > > Both executables use the same config and display. > Both apps have the exact same window size in

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-03 Thread Jean-Marc Lasgouttes
> "Martin" == Martin Vermeer <[EMAIL PROTECTED]> writes: Martin> Or character widths... LyX does a lot of that. Profiling would Martin> tell. Yes! Profiling! Profiling! We really need that. Preferably with oprofile (or sysprof, but only if pissing John L off does not scare you). JMarc

Re: Scrolling performance, qt3 vs. qt4, revision 13787

2006-05-03 Thread Abdelrazak Younes
Helge Hafting a écrit : I was asked to redo my test with a newer lyx 1.5, now I have finally done it: Small test of lyx qt3 and lyx qt4 revision 13787 Both executables use the same config and display. Both apps have the exact same window size in pixels, and the main windows happened to have