On Wed, Jan 30, 2013 at 8:03 PM, Ehsan Akhgari <ehsan.akhg...@gmail.com>wrote:
> We then tried to get a sense of how much of a win the PGO optimizations > are. Thanks to a series of measurements by dmandelin, we know that > disabling PGO/LTCG will result in a regression of about 10-20% on > benchmarks which examine DOM and layout performance such as Dromaeo and > guimark2 (and 40% in one case), but no significant regressions in the > startup time, and gmail interactions. Thanks to a series of telemetry > measurements performed by Vladan on a Nightly build we did last week which > had PGO/LTCG disabled, there are no telemetry probes which show a > significant regression on builds without PGO/LTCG. Vladan is going to try > to get this data out of a Tp5 run tomorrow as well, but we don't have any > evidence to believe that the results of that experiments will be any > different. > Isn't PGO worth something like 15% on Ts? - Kyle _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
