I haven't yet looked at performance of grid (circle arc) drawing, will do that. But I just started working on a rather major optimization (that will affect mostly stars and maybe plugins drawing lots of rectangles), will have to finish that first. Atmosphere/ground have very low overhead here so I have no reliable way to profile them.
The renderer statistics plugin can only be used to profile use of Renderer, but there's nothing platform specific. I.e. the statistics on your machine will look exactly as those on my machine (if the same plugins, etc, are enabled). I think Atom is rather important because it's the closest x86 can get to ARM. ARM platforms where Stellarium should run usually have worse single-core CPU performance than Atom (although often more powerful GPUs). On 9/9/12, Georg Zotti <georg.zo...@univie.ac.at> wrote: > Hi! > > Well, the Atom IS slow, no doubt, but it is usable as travel telescope > platform, and its battery life is what made me buy one. > > > I don't know either where to look. Which of the diagnostic numbers in your > performance plugin could indicate the problem? > > Oh, wait - I usually have the azimuthal grid on. Switching it off, I have > 15.5fps, not 10.5. > > OK: satellites switched off, perspective mode and no coordinate grid. > > No atmosphere, with ground: 22.5fps > > Atmosphere, no ground: 18.8 > > With no ground, no atmosphere, I have 27.5fps, but that's only a > diagnostic figure, I want ground&atmosphere ;-) > > > To compare: 0.11.4, perspective mode, no satellites, no grids. > Atmosphere+ground: 20.4 > Atmosphere, ground off: 21.3 > Atmosphere off, ground on: 31.8 > Both off: 33.9 (This is where the new version is at 27.5) > > both off, azimuth gris on: 26.3 > atmosphere+ground+grid: 16.7 > > These are of course always arbitrary-use examples, maybe fov, projections, > other plugins and other settings make a difference. > > But it seems the grids are very costly! > > Anyway, the netbook is not the most important platform, else I am rather > on the higher end... > > HTH, G. > > > On So, 9.09.2012, 00:58, Ferdinand Majerech wrote: >> This is better but still slower that I'd expect; >> >> Alex Wolf gets 20FPS on a GeForce 2 (compared to ~10 FPS pre-merge) >> and I doubt the Atom's GPU is slower. Most likely we have a >> performance issue specific to that GPU. Unfortunately I can't do much >> with that without directly working with it. (I have a newer Intel >> Sandy Bridge GPU, and I get 60 FPS there - blocked by vsync) >> Timothy Reaves reported low FPS (~30) on his Mac, but he's re-checking >> that >> after changes/in release mode. >> >> I have more optimization ideas, but it's pretty much hit and miss >> without knowing >> what is the bottleneck on a particular machine. >> >> On 9/8/12, Georg Zotti <georg.zo...@univie.ac.at> wrote: >>> Hi! >>> >>> I tried again on my Atom (Pineview) netbook. Building in Debug mode is >>> OK, >>> the program has still about 8fps. In Release version, I have about >>> 10fps, >>> and it makes a difference what projection or effects are used or plugins >>> are loaded. (Perspective without atmosphere: 12fps...) >>> >>> At least there are no visible errors, and the logfile does not report >>> any >>> problems :-) >>> > > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Stellarium-pubdevel mailing list > Stellarium-pubdevel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/stellarium-pubdevel > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Stellarium-pubdevel mailing list Stellarium-pubdevel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/stellarium-pubdevel
