Re: [wtp-dev] About parsing and conversion times

["Gorkem Ercan" <gorkem.ercan@xxxxxxxxx>]

On 7 Apr 2016, at 11:55, Angelo zerr wrote:

> Great job Eugene! I hope Google Closure will able to be used inside 
> JSDT
> before Neon release.
I would not hold my breath on that. Even if we can get the IP work done. 
We still
need a converter from Closure’s IR to DOM AST so that the current 
functionality
continues to work.

> Good luck Gorkem and many thanks again for your work!
>
> 2016-04-07 17:52 GMT+02:00 Gorkem Ercan <gorkem.ercan@xxxxxxxxx>:
>
> > This is really good.
> > I have opened [1] as my first act as JSDT committer :( to get legal
> > blessing for using it.
> > —
> > Gorkem
> >
> > [1] https://dev.eclipse.org/ipzilla/show_bug.cgi?id=11185
> >
> >
> >
> > On 7 Apr 2016, at 11:36, Eugene Melekhov wrote:
> >
> > Hi all,
> > > I've posted some timings for esprima parsing tsserver.js and 
> > > subsequent
> > > conversion resulting AST into JSDT ASTDom format
> > > here https://bugs.eclipse.org/bugs/show_bug.cgi?id=490898
> > >
> > > Angelo asked about testing parsing tsserver.js using Closure 
> > > compiler, so
> > > I think it's worth presenting all
> > > results for esprima and closure together. All results are in 
> > > seconds.
> > >
> > > Esprima on nashorn + JSDT Dom Conversion
> > > =========================================
> > > Parse   convert
> > > 10.738  7.854
> > > 18.736  8.316
> > > 12.929  5.261
> > > -------
> > > 6.194  4.826
> > > 6.036  3.830
> > > -------
> > > 4.562  4.982
> > > 4.675  3.942
> > >
> > >
> > > Google closure parser + converting into Google's Internal 
> > > Representation
> > > =========================================
> > > Parse  convert Total
> > > 0.620  0.260   0.880
> > >
> > >
> > > At first I didn't belive it, so I used Google's Code Printer to 
> > > print
> > > resulting
> > > Internal Representation (after conversion from AST) to make sure 
> > > that
> > > file was really parsed.
> > > And it really was....
> > >
> > > So, result speaks for himself.... :-)
> > >
> > > That's why I think we should switch to closure and use its internal
> > > format.
> > >
> > > Thanks.
> > >
> > > --
> > > Eugene Melekhov
> > >
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