It starts to get interesting if you want to have a 2D online display where data is colorized and you want to apply filter operations that can easily done on the GPU. Interesting but IMHO basic 3D graphics is more important at this stage.
Am Sonntag, 18. Mai 2014 16:02:10 UTC+2 schrieb Andreas Lobinger: > > Hello colleague, > > just as i read it > > On Saturday, May 17, 2014 10:23:49 PM UTC+2, Tim Holy wrote: >> >> Also, really fast 2d plotting of large datasets would not be a bad thing. >> Cairo + Gtk is not bad (and Gtk is quite a lot better than Tk in terms of >> speed), but it's also not all that impressive either. >> > > Could you quantify? afaics my times for (from Cairo/test/shape_functions) > lines1-4 on a 1024x1024 bitmap are roughly > > julia> @time(lines1(c,1024.0,1024.0,1.0,100000)) > elapsed time: 36.95827684 seconds (4000368 bytes allocated) > > julia> @time(lines2(c,1024.0,1024.0,1.0,100000)) > elapsed time: 3.365150476 seconds (4126836 bytes allocated) > > julia> @time(lines3(c,1024.0,1024.0,1.0,100000)) > elapsed time: 1.091252869 seconds (4000368 bytes allocated) > > julia> @time(lines4(c,1024.0,1024.0,1.0,100000)) > elapsed time: 5.748033081 seconds (4185816 bytes allocated) > > and drawing 100000 lines antialiased in around 1s is not so bad. > > And i do not see a good reason, why Winston e.g should be slower. > > >
