Re: [Tigervnc-devel] Xvnc performance optimizations completed

2011-09-07 Thread Robert Goley
On 09/07/2011 08:54 AM, Pierre Ossman wrote: On Wed, 17 Aug 2011 01:40:48 -0500 DRC dcomman...@users.sourceforge.net wrote: As of now, with the ComparingUpdateTracker disabled and using our FLTK viewer, the performance is at about 85-90% of TurboVNC

Re: [Tigervnc-devel] Xvnc performance optimizations completed

2011-09-07 Thread DRC
On 9/7/11 7:54 AM, Pierre Ossman wrote: The viewer GUI has also been modified to reflect the findings from the low-level performance study (specifically, that compression levels higher than 3 rarely have any benefit and compression levels higher than 6 never do. Also, compression level 1 is

[Tigervnc-devel] Xvnc performance optimizations completed

2011-08-17 Thread DRC
Under sponsorship by Cendio, I have completed an extensive (as in 100+ hours) set of performance optimizations to the TigerVNC Server in trunk, which should bring its performance completely in line with TurboVNC, provided that the ComparingUpdateTracker is disabled. I am investigating the

Re: [Tigervnc-devel] Xvnc performance optimizations completed

2011-08-17 Thread DRC
OK, I'm an idiot. The TigerVNC Server with the ComparingUpdateTracker disabled was not generating twice the data when the TurboVNC Viewer connected. I had simply forgotten the way that TurboVNC maps its 1-100 quality scale to TigerVNC's 1-9 quality scale, so in fact I was comparing JPEG quality