gecko-dev/third_party/webkit/PerformanceTests/webaudio
..
benchmarks.js
index.html
README.md
think-mono-38000.wav
think-mono-44100.wav
think-mono-48000.wav
think-mono.wav
think-stereo-38000.wav
think-stereo-44100.wav
think-stereo-48000.wav
update.sh
webaudio-bench.js

webaudio-benchmark

Run

Just open index.html. Time are in milliseconds, lower is better.

Adding new benchmarks

Look into benchmarks.js, it's pretty straightforward.

License

MPL 2.0