SoundSplayTreeSieve

The SoundSplayTreeSieve benchmark reports the runtime of the sieve9 Golem benchmark for a SplayTreeSet from dart:collection and a SoundSplayTreeSet that declares variance modifiers for its type parameters.

Running the benchmark

These are instructions for running the benchmark, assuming you are in the sdk directory.

These benchmarks print a result similar to this (with varying runtimes):

CollectionSieves-SplayTreeSet-removeLoop(RunTime): 4307.52688172043 us.
CollectionSieves-SoundSplayTreeSet-removeLoop(RunTime): 4344.902386117137 us.

Dart2JS

$ sdk/bin/dart2js_developer benchmarks/SoundSplayTreeSieve/dart/SoundSplayTreeSieve.dart --enable-experiment=variance --experiment-new-rti --out=soundsplay_d2js.js
$ third_party/d8/linux/d8 soundsplay_d2js.js

Dart2JS (Omit implicit checks)

$ sdk/bin/dart2js_developer benchmarks/SoundSplayTreeSieve/dart/SoundSplayTreeSieve.dart --enable-experiment=variance --experiment-new-rti --omit-implicit-checks --out=soundsplay_d2js_omit.js --lax-runtime-type-to-string
$ third_party/d8/linux/d8 soundsplay_d2js_omit.js

DDK

$ pkg/dev_compiler/tool/ddb -d -r chrome --enable-experiment=variance -k benchmarks/SoundSplayTreeSieve/dart/SoundSplayTreeSieve.dart