On 01/31/13 12:10 PM, Boris Zbarsky wrote: > Even if we posit the slowdown is the same, the PR loss is not. > > Say browser A takes time T to run a test, browser B takes time 1.2T and > browser C takes time 0.8T. > > Say browsers B and C both suffer a 10% regression on that test. Now the > times are: > > A: T, B: 1.32T, C: 0.88T > > From a PR point of view, the key part is that browser B is now 30% > slower than A, but C is still 12% faster. So it's not clear to me that > there would be any particularly bad PR for C at all. > > -Boris
While not directly relevant to this, it's worth noting that Chrome doesn't use PGO for exactly the reason we're looking at turning it off. (https://code.google.com/p/chromium/issues/detail?id=21932) _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
