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Mauro Torrez
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doc/html-original/ALE/benchmarks/index.html
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doc/html-original/ALE/benchmarks/index.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html>
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<head>
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<title>ALE Benchmarks</title>
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</head>
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<body>
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<p><b>[ <a href="../">Up</a> ]</b></p>
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<h1>ALE Benchmarks</h1>
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<p>Times listed are process user time; ALE is compiled with GCC 3.3.4 and
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linked with ImageMagick version 6.0.1; and all images are 3x8-bit RGB
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non-interlaced PNGs. Test names are constructed as follows:</p>
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<table border=1>
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<tr>
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<th>Machine code</th>
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<th>Description</th>
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</tr>
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<tr><td>PIII<td>Pentium III 700MHz 100MHz FSB 256K L2 cache
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<tr><td>ATH<td>Athlon XP 3000+ 400MHz FSB 512K L2 cache
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<tr>
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<th>Test code</th>
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<th>Description</th>
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<tr><td>A+R<td>3 256x256 100% white images, --perturb-upper=32
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<tr><td>R <td>3 256x256 100% white images, --perturb-upper=0
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<tr>
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<th>Run Code</th>
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<th>Description</th>
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<tr><td>1<td>Run number 1
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<tr><td>2<td>Run number 2
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<tr><td>3<td>Run number 3
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</table>
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<h2>Benchmark Table</h2>
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<table border=1>
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<tr>
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<th>Version</th>
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<th>Configuration</th>
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<td>PIII A+R 1</td>
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<td>PIII A+R 2</td>
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<td>PIII A+R 3</td>
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<td>PIII R 1</td>
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<td>PIII R 2</td>
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<td>PIII R 3</td>
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<td>ATH A+R 1</td>
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<td>ATH A+R 2</td>
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<td>ATH A+R 3</td>
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<td>ATH R 1</td>
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<td>ATH R 2</td>
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<td>ATH R 3</td>
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</tr>
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<tr>
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<td>0.5.1-patch3</td>
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<td>IMAGEMAGICK=1<br>
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BITS=8</td>
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<td>0m16.830s
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<td>0m16.884s
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<td>0m16.871s
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<td>0m1.432s
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<td>0m1.438s
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<td>0m1.432s
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<td>0m4.819s
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<td>0m4.821s
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<td>0m4.818s
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<td>0m0.400s
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<td>0m0.401s
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<td>0m0.401s
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</tr>
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<tr>
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<td>0.5.1-patch3</td>
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<td>IMAGEMAGICK=1<br>
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BITS=16</td>
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<td>0m17.024s
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<td>0m17.062s
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<td>0m17.060s
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<td>0m1.493s
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<td>0m1.500s
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<td>0m1.493s
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<td>0m4.904s
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<td>0m4.902s
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<td>0m4.904s
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<td>0m0.414s
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<td>0m0.415s
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<td>0m0.415s
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</tr>
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<tr>
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<td>0.6.0</td>
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<td>IMAGEMAGICK=1<br>
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--8bpc
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<td>0m13.917s
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<td>0m13.881s
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<td>0m13.888s
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<td>0m2.632s
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<td>0m2.642s
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<td>0m2.640s
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<td>0m4.251s
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<td>0m4.257s
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<td>0m4.254s
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<td>0m0.771s
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<td>0m0.764s
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<td>0m0.750s
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</tr>
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<tr>
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<td>0.6.0</td>
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<td>IMAGEMAGICK=1<br>
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--16bpc
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<td>0m14.007s
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<td>0m14.015s
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<td>0m14.020s
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<td>0m2.754s
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<td>0m2.751s
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<td>0m2.753s
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<td>0m4.307s
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<td>0m4.299s
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<td>0m4.302s
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<td>0m0.794s
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<td>0m0.803s
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<td>0m0.796s
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</tr>
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<tr>
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<td>0.7.0</td>
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<td>IMAGEMAGICK=1<br>
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--q0<br>
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--8bpc<br>
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<td>0m13.328s
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<td>0m13.366s
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<td>0m13.352s
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<td>0m8.245s
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<td>0m8.255s
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<td>0m8.253s
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<td>0m3.739s
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<td>0m3.742s
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<td>0m3.731s
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<td>0m2.325s
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<td>0m2.328s
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<td>0m2.322s
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</tr>
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<tr>
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<td>0.7.0</td>
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<td>IMAGEMAGICK=1<br>
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--q0<br>
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--16bpc<br>
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<td>0m13.439s
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<td>0m13.466s
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<td>0m13.462s
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<td>0m8.378s
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<td>0m8.337s
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<td>0m8.342s
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<td>0m3.765s
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<td>0m3.762s
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<td>0m3.768s
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<td>0m2.356s
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<td>0m2.354s
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<td>0m2.354s
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</tr>
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<tr>
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<td>0.7.1</td>
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<td>IMAGEMAGICK=1<br>
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--q0<br>
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--8bpc<br>
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<td>0m13.133s
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<td>0m13.153s
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<td>0m13.143s
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<td>0m8.100s
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<td>0m8.109s
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<td>0m8.108s
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<td>0m3.774s
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<td>0m3.781s
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<td>0m3.776s
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<td>0m2.327s
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<td>0m2.332s
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<td>0m2.322s
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</tr>
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<tr>
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<td>0.7.1</td>
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<td>IMAGEMAGICK=1<br>
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--q0<br>
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--16bpc<br>
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<td>0m13.243s
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<td>0m13.249s
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<td>0m13.269s
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<td>0m8.177s
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<td>0m8.196s
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<td>0m8.204s
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<td>0m3.808s
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<td>0m3.810s
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<td>0m3.799s
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<td>0m2.371s
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<td>0m2.368s
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<td>0m2.365s
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</tr>
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</table>
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<h2>Summary</h2>
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Between versions 0.5.1 and 0.7.0, alignment times show a steady improvement,
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but this can be partly explained by a change in the default alignment settings
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in 0.7.0. Rendering times, on the other hand, are about 6 times longer for
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0.7.0 than for 0.5.1, as a consequence of renderer changes. More detailed
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summaries for alignment and rendering tests follow.
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<h3>Alignment</h3>
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<p>Alignment times improve as the version number increases, through version
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0.7.0, but note that version 0.7.0 with the --q0 option defaults to --mc 30,
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which offers less accurate alignment than is offered by other versions'
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configurations. (Instead of sampling the difference between images for each
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reference image pixel, --mc 30 specifies that differences be sampled at roughly
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30% of reference image pixels.)
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<h3>Rendering</h3>
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<p>Rendering times increase significantly with version number, through version
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0.7.0, the most significant increase being between 0.6.0 and 0.7.0, as the
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latter uses a computationally more expensive rendering technique. Whether the
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improved rendering quality is worth the extra rendering time likely depends on
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subjective criteria, but the differences seem to be most apparent when
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performing relatively complex rendering tasks.</p>
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<br>
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<hr>
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<i>Copyright 2004 <a href="mailto:dhilvert@auricle.dyndns.org">David Hilvert</a></i>
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<p>Verbatim copying and distribution of this entire article is permitted in any medium, provided this notice is preserved.
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</body>
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</html>
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