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...s problem! > Absolutely! And David can help you a lot, there. But I wouldn't try to get it perfect before we get it acceptable. cheers, --renato -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130628/3b936baa/attachment.html>

I should describe the cost of false negatives and false positives, since I think it matters for how this problem is approached. False negatives mean we miss a real regression --- we don’t want that. False positives mean somebody has to spend some time looking at and reproducing the regression when there is not one --- bad too. Given this tradeoff I think we want to tend towards false positives