Comment on V8 Release 5.1Comments−amelius10yDid they run speed benchmarks against older versions of V8?I'm wondering about the performance cost of these new features (hopefully zero).−chr110yUnfortunately it is much larger than zero see https://groups.google.com/d/msg/strengthen-js/ojj3TDxbHpQ/T6....It is very sad that people working on es spec do not care enough about performance−hashseed10yYup. To some, performance is just an implementation detail, and they keep adding hooks like @@hasInstance.
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Did they run speed benchmarks against older versions of V8?
I'm wondering about the performance cost of these new features (hopefully zero).
Unfortunately it is much larger than zero see https://groups.google.com/d/msg/strengthen-js/ojj3TDxbHpQ/T6....
It is very sad that people working on es spec do not care enough about performance
Yup. To some, performance is just an implementation detail, and they keep adding hooks like @@hasInstance.