A few more noteworthy ones:
Variable name reuse:
var x = .....; print(x); var y = ......; print(y)
becomes
var x = .....; print(x); x = ......; print(x)
More aggressive inlining with variables and functions.
A lot more small optimizations that saves a char here and there.
Closure Compiler would also put more effort into your JSNI code for obvious
reasons.
-Alan
On Thu, Jul 5, 2012 at 9:31 AM, Thomas Broyer <[email protected]> wrote:
>
>
> On Thursday, July 5, 2012 5:37:08 AM UTC+2, Magno Machado wrote:
>>
>> I was impressed to see the results achieved on gwt 2.5 by combining the
>> gwt compiler and closure compiler.
>>
>> Well, I always thought there's nothing that closure could do that the gwt
>> compiler couldn't already do, because gwtc have a lot more information
>> about the source than closure compiler.
>>
>
> Yes and no: Closure has "static typing" via JSDoc annotations, and uses
> the same kind of monolithic compilation (i.e. I know everything about what
> will run, so I know what is never used that I can remove).
>
> So I wonder what kind of optimizations closure is doing that were not
>> already done by the gwt compiler?
>>
>
> One small optimization I've read on the Closure Compiler group that I know
> GWT doesn't do: ["ab", "cd", "ef", "ghij"] is compiled into
> "ab,cd,ef,ghij".split(",") !
> (it's more in terms of perfs than in code size I guess though).
> I don't know about the other differences.
>
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