Minor gripe as a graphics person - I loathe frames per second as a performance measure. Because of the inverse you can't really compare the numbers. Consider the difference in improvement between 1fps and 2fps compared to 29fps and 30fps. Both improve by 1fps, but they represent dramatically different performance gains.

If you can at all, report milliseconds per frame, ideally with fixed system overhead removed.

The only time fps is appropriate is if you're targetting your v-blank rate.

Yes, I've been reviewing too many papers with bar charts of gps measures lately...

Paul

On Nov 30, 2008, at 6:35 PM, erik quanstrom <[EMAIL PROTECTED]> wrote:


can you report timings on the xscreensaver hacks (link at bottom)?

sure.  a few of the programs didn't seem to work (delayscreen
and polydominoes).  mountain, sphere and spirograph seemed
to hum right along.

- erik

; cat '#P/archctl'
cpu AMD64 2604 pge
pge on
coherence mfence
cmpswap cmpswap486
i8253set on

; cat /dev/wsys/^`{cat /dev/winid}^/wctl
        60         505         765        1034 current visible

8.anemone: fps: 30.796417
8.anemotaxis: fps: 25.595581
8.attraction: fps: 55.993117
8.blaster: fps: 71.190817
8.boxfit: fps: 20.596372
8.ccurve: fps: 0.999865
8.cloudlife: fps: 22.795733
8.coral: fps: 70.787094
8.critical: fps: 151.975499
8.decayscreen: fps: 0.000000
8.deco: fps: 0.199968
8.deluxe: fps: 14.197528
8.demon: fps: 379.542993
8.discrete: fps: 17.997126
8.drift: fps: 8.998634
8.eruption: fps: 25.996981
8.euler2d: fps: 43.295463
8.fadeplot: fps: 51.393631
8.flame: fps: 7.598581
8.flow: fps: 45.593024
8.fluidballs: fps: 13.798253
8.forest: fps: 8.598666
8.fuzzyflakes: fps: 41.790739
8.galaxy: fps: 160.172456
8.glenda: fps: 46.295627
8.halftone: fps: 18.597379
8.helix: fps: 0.399954
8.hopalong: fps: 414.148296
8.hypercube: fps: 34.194590
8.hyperglenda: fps: 30.996313
8.ifs: fps: 37.993663
8.imsmap: fps: 0.199964
8.interaggregate: fps: 9.198770
8.interference: fps: 5.599390
8.julia: fps: 45.392443
8.lyap: fps: 45674.831450
8.maze: fps: 1.199848
8.moire: fps: 0.999855
8.mountain: fps: 31790.873361
8.munch: fps: 0.199971
8.nerverot: fps: 26.795984
8.pacman: fps: 59.190800
8.pedal: fps: 0.599921
8.petri: fps: 76.190348
8.pyro: fps: 305.364824
8.rd-bomb: fps: 32.995072
8.ripples: fps: 27.196419
8.rorschach: fps: 0.000000
8.rotzoomer: fps: 34.194205
8.scrdump: fps: 0.000000
8.sierpinski: fps: 46.592159
8.slip: fps: 1.799762
8.sphere: fps: 647.526941
8.spirograph: fps: 23604.015568
8.squiral: fps: 2129.662538
8.starfish: fps: 49.190284
8.strange: fps: 47.992470
8.substrate: fps: 0.000000
8.swirl: fps: 551.526029
8.thornbird: fps: 28.196393
8.triangle: fps: 66.588276
8.vermiculate: fps: 1357.648605
8.vines: fps: 87.190306
8.wander: fps: 51699.256387
8.whirlwindwarp: fps: 55.592024
8.wormhole: fps: 32.196066
8.zoom: fps: 2.399737



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