octane

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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 JetStream benchmark
• Bluebird Promise benchmarks
• jsFiddle demonstrating Promise perf issues in Microsoft Edge
• Microsoft Edge user voice issue

Let me know what you think- I'm willing to work on a PR if you want to provide some direction on this.

The V8 team is in the midst of figuring out how best to measure ES6 performance so that we can optimize heavily-used features like promises as soon as possible. We're not sure if something like belongs in Octane yet, so I'll leave your issue open for now.