152819 2016-01-06 17:05:19 -0800 Add Promise benchmark to JetStream 2016-01-06 17:07:44 -0800 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified NEW P2 Normal --- 1 jdanyow webkit-unassigned jdanyow oldest_to_newest 1153284 0 jdanyow 2016-01-06 17:05:19 -0800 Modern JavaScript APIs are growing more and more Promise heavy. It would be awesome if the benchmark suite was enhanced to cover Promise performance. One option would be to add a dedicated Promise benchmark. Alternatively the pdfjs bench could be updated to use the javascript engine's built-in Promise when available. Some links: * [Corresponding issue for Octane benchmark](https://github.com/chromium/octane/issues/35) * [Bluebird Promise benchmarks](https://github.com/petkaantonov/bluebird/tree/master/benchmark) * [jsFiddle demonstrating Promise perf issues in Microsoft Edge](https://jsfiddle.net/jdanyow/vj6o119n/) * [Microsoft Edge user voice issue](https://wpdev.uservoice.com/forums/257854-microsoft-edge-developer/suggestions/11329845-improve-promise-implementation-performance) Let me know what you think- I'm willing to work on a PR if you want to provide some direction on this.