Although, most of the Sublime core is in C/C++ as far as I know. And it's using native drawing, not webkit. Will be interesting to see how the performance compares.

sublime is using opengl to render every glype. Its speed will blow anything out of the water. Open 2MB text will be highlighted and colored in an instant. I wonder how could webkit achieve that.

My suspicion is sublime's speed has very little to do with its rendering method and a lot more to do with its I/O philosophy. Because, let's be honest, there is no way OpenGL can make loading a 50mb file into memory significantly faster than plain rendering.

and v8 has its ass handed to it vs the mozilla engine when running asm.js code... and there is pypy... and c extentions... and WHO CARES.

It is fast enough for every job I've ever thrown at it... Do you only want there to be one programming language or something.?

You're missing the point. The point is, for some reason a bunch of people have their expectations of Javascript performance set 10-15 years out of date.