promise-performance-tests

This is a collection of tests used to measure various aspects of Promise performance in JavaScript, especially focusing on Promise and async usage in Node.js.

Installation

You can build via

$ git clone https://github.com/v8/promise-performance-tests
$ npm install

which generates appropriate standalone test files in the dist folder. These can be directly executed via either node or JavaScript engine shells. You can also use the run.js script with node, i.e.

$ node run.js
Time(doxbee-async-bluebird): 206.5 ms.
Time(doxbee-async-es2017-babel): 288.7 ms.
Time(doxbee-async-es2017-native): 128.8 ms.
Time(doxbee-promises-bluebird): 158.4 ms.
Time(doxbee-promises-es2015-native): 243.5 ms.
Time(parallel-async-bluebird): 239.8 ms.
Time(parallel-async-es2017-babel): 592.4 ms.
Time(parallel-async-es2017-native): 480.2 ms.
Time(parallel-promises-bluebird): 191.1 ms.
Time(parallel-promises-es2015-native): 436.4 ms.

Disclaimer

This is not an officially supported Google product.

Author

Benedikt Meurer (@bmeurer)