Don't know if it still holds true, but they used distcc a few years ago: http://google-opensource.blogspot.com/2008/08/distccs-pump-mode-new-design-for.html htt

Don't know if it still holds true, but they used distcc a few years ago: http://google-opensource.blogspot.com/2008/08/distccs-pump-mode-new-design-for.html http://google-opensource.blogspot.com/2008/08/distccs-pump-m... I also recommend ccache, but it might run into problems with the pump mode, although it works fine with regular distcc.