Thanks Jason and to the others who responded. Question answered :)
On Jan 3, 12:09 pm, Jason Morris wrote:
> nathan.r.matth...@googlemail.com wrote:
> > Hi GWTers
>
> > I'm writing some performance sensitive code for GWT. I'm wondering how
> > GWT compilesvirtualfunctions to JavaScript. What's the associated
> > performance overhead? Obviously I'd like to use proper polymorphism
> > but if there's a significant performance overhead it may be worth re-
> > factoring various parts of the code-base.
>
> > Regards,
>
> > Nathan
>
> Hi Nathan,
>
> Someone else can correct me if I'm wrong, but after taking a look at the
> generated code, it seems
> thatvirtualmethods shouldn't incur any additional performance overhead in
> GWT. Basically the
> bottom level method is given the top-level declared name in each object
> instance, thus the lookup
> expense is the same as that of a non-virtualmethod.
>
> Like I said, if I'm wrong on this, someone should correct me. ;)
>
> Cheers,
> Jason.
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