Re: GWT Compilation Time Performance Improvement

You could also move the compilation process to a bigger machine on the cloud and then if you need to run the compiled site locally do a script to download the content. That improved a lot the compilation time for me.

You can also try doing distributed builds (I personally never tried), but here are some links:

http://code.google.com/p/google-web-toolkit/wiki/DistributedBuilds

http://code.google.com/p/gwt-distcc/

https://github.com/markovuksanovic/gwt-distributed-compiler

On Tue, Sep 4, 2012 at 10:50 AM, Abraham Lin <atomknight033197@gmail.com> wrote:

What could possibly help is to precompile the modules into *.gwtar files, but it's something that's supposed to only be used by GWT itself (you'll find such gwtar files in the gwt-user.jar) AFAIK. At least it's not designed to build "libraries", as the gwtar files depend on the version of GWT that produced them (IIUC).

I've found that pre-compiling gwtar files has a negligible impact on overall compilation time, as most of the processing time is spent during the CompilePerms phase. Granted, this is dependent on the project architecture, but it seems unlikely that this will be a silver bullet for reducing overall compilation time (at least in its current state).

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