[lively-kernel] Some Lively Benchmarks

Dan Ingalls DanHHIngalls at gmail.com
Sun Apr 25 21:43:18 CEST 2010

Thanks to the folks at HPI, we have an informal benchmark for Lively at...


Note: when making comparisons, be sure to frame the window so it 
includes the whole scene.
We can now run it on four browsers.  Here are the figures I got:

     Browser            Frame rate  Max latency    cpu
     Firefox 3.6.3          12 fps    75/210 ms   120%
     Opera 10.52b           21 fps        58 ms    98%
     Safari 4.0.5           32 fps        42 ms    80%
     Chrome 5.0.342.9b      55 fps     35/60 ms   110%
[2.4 Ghz CoreDuo Mac running OS X 10.6.3]

Note:  I've indicated where there seem to be GC pauses causing 
bimodal latency.  It's clear that we need the FrameRateMorph to 
produce a little plot rather than just the numbers.

Since I seem to be in a benchmarking mood, let's check the pure 
JavaScript speeds with my tinyBenchmarks for JavaScript


Here are those figures:
     Browser            Simple ops      Sends
     Firefox 3.6.3        584M/sec   3.4M/sec
     Opera 10.52b        1100M/sec    32M/sec
     Safari 4.0.5         900M/sec    34M/sec
     Chrome 5.0.342.9b   1550M/sec    46M/sec
[2.4 Ghz CoreDuo Mac running OS X 10.6.3]
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