Gregory Szorc wrote:
If you are looking for ideas on how to reduce download size, the way omni.ja is included in the installer could be reduced by 4+ MB. Both omni.ja and browser/omni.ja are zip archives, where each file has a separate compression context. If you treat all files from those two archives as a single compression context (like tar+bz2) and stuff them in a single archive, you get size reductions of 4+ MB due to the compression engine sharing state between files. We can't install omni.ja like this on client systems because it is bad for performance (we want the ability to extract individual files without reading a large compression context - this is a benefit of the zip format). But we could ship the files optimized for size (or have installer's compression handle the files individually) and have the installer re-encode them to omni.ja so they are optimized for performance.
I'm not sure what you're trying to say here. As far as I can see what you're suggesting is using some RAR-like rather than ZIP-like format for the installer. Why would the way you're compressing the two omni.ja files into the installer affect the installed omni.ja files?
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