Hi guys, Just thought I'd share the results of an experiment I did in optimising the png files in LayoutTests.
I used a tool on Mac called ImageOptim (http://imageoptim.pornel.net/) which tries a set of different png lossless optimising tools (like pngcrush - I also downloaded and included PNGOUT). Note that this strips out some of the stuff we need, like the hash, so if doing this for real we'd have to watch out for that. My results were: Before: $ ls -laR LayoutTests/ | grep png$ | awk '{total = total + $5}END{print total}' 1220535840 Test: $ find LayoutTests/ | grep png$ | xargs open -a ImageOptim.app After: $ ls -laR LayoutTests/ | grep png$ | awk '{total = total + $5}END{print total, 1220535840 - total}' 937198328 283337512 So this has saved ~280MB (~23% of the original size). Based on this, it seems worthwhile to include a png optimiser somewhere in the patch upload/submit toolchain, and also (separately) to optimise the existing pngs. Thoughts? mike
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