The SuperDevMode seem do a full compile as is com.google.gwt.dev.Compiler 
with PRETTY style plus sourcemaps generation. It even take longer time than 
a normal GWT compiler compilation. Moreover, the unitCache is not always 
pickup correctly make the compilation even longer.

On Wednesday, November 14, 2012 4:24:35 PM UTC+8, Stefan Röck wrote:
>
> In a larger GWT multi project app and it took me several hours to get the 
> new SuperDevMode running (I found this 
> video<http://jeff-davis.blogspot.de/2012/07/setting-up-gwt-25s-superdevmode.html>very
>  helpful).
> Now, I'm a bit disappointed about the coolest new feature of 2.5 and I 
> wonder if I have missed something.
>
>    - Compilation is slow. It takes between 1 and 2 minutes plus the 
>    bootstrap time of my server app. The app has sth above 20k LOC and heavily 
>    uses RequestFactory and GIN code generators, maybe that's the reason? So 
>    overall startup performance is worse than with standard DevMode.
>    - Code changes require a recompile. In DevMode non-structural changes 
>    are applied automatically by the Eclipse Debugger.
>    - Debugging the code in the Browser is ... hm, it works. But honestly, 
>    nothing compare to a IDE debugger. Browsing through the source tree in 
>    Chrome is a pain with thousands of classes.
>    - GWT CodeServer is very resource intensive. During compilation, I 
>    cannot use my machine for anything else. If it's running it takes more 
> than 
>    1GB of RAM.
>
> Is anyone successfully using SuperDevMode for larger apps?
>

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