On 23 October 2011 20:48, Andy Doan <andy.d...@linaro.org> wrote: > On 10/22/2011 01:31 PM, Ramana Radhakrishnan wrote: >> >> >> On Sat, 22 Oct 2011, Zach Pfeffer wrote: >> >>> After an epic battle the tips of each Android build are ready to be >>> released. >>> >>> >>> skia: Add -ffast-math, -flto >>> http://review.android.git.linaro.org/#change,773 >> >> Good to see that ffast-math is making a difference at O3 but how does >> this affect your benchmarking activity ? Do we know why this difference >> occurs ? Is this because of extra vectorization for Floating point in >> skia or some other reason ? >> >> Also, I'm sure you've considered this but I thought it better to check. >> >> Given that the benchmarking pages plot skia results - >> https://wiki.linaro.org/Platform/Android/AndroidToolchainBenchmarking/2011-09#skia_results >> >> >> a double check that this doesn't result in there being a spike in the >> results for 2011.10 would be good. If not, historical data needs to be >> measured for this change given that the said options weren't used while >> measuring the historical data. > > Neither the 2011.09 nor the soon to be published 2011.10 benchmarking > was done using these flags. I'm not sure if I'll have the cycles to try > this out this month or not. However, I'll add this to next month's testing.
Cool. Thanks Andy! -- Zach Pfeffer Android Platform Team Lead, Linaro Platform Teams Linaro.org | Open source software for ARM SoCs Follow Linaro: http://www.facebook.com/pages/Linaro http://twitter.com/#!/linaroorg - http://www.linaro.org/linaro-blog _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
