I am preparing an unrelated presentation to which I needed something that crunches lots of data and uses some cpu cycles. I decided to run FST construction on that half-gig wikipedia file. Three jits: 1.6_u26, 1.7 pre-release and jrockit (newest available). The results are interesting (although not by any means indicative of the advantages of each vm, as I only did it on a single machine and with only 5 reps per vm): 1.6_u26 is ahead of 1.7, but watch what happens with the timing of jrockit (no, the bumps are not caused by background activity). I'm guessing the optimizer picking wrong paths and unable to revert, but who the hell knows these days...
Dawid
wikipedia-win-crop.pdf
Description: Adobe PDF document
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