Forwarding to mobile-firefox-dev for bigger audience. > On Feb 24, 2016, at 5:56 PM, Maria Popova <mpop...@mozilla.com> wrote: > > Last week Stefan sent a link to an article that compared benchmark > performance of various iOS browsers. That created all kinds of reactions. > > One important takeaway is the need to have an understanding where we stand > regarding performance. Maybe run some of the most popular and reliable tools > to get a sanity check and evaluate if we have regressed? The expectation is > that Firefox is pretty much the same speed as Safari within 2% margin. (as > fast as what Apple gives us). > > Here is a lost of industry benchmarks: > https://docs.google.com/spreadsheets/d/1CYrv7ooKG5dgNwraGdHHgubM5sFcEMs7iC57Rg09cAQ/edit#gid=0 > > <https://docs.google.com/spreadsheets/d/1CYrv7ooKG5dgNwraGdHHgubM5sFcEMs7iC57Rg09cAQ/edit#gid=0> > > > Which ones are good tests? Are there any important ones missing?
I don’t know many of these benchmarks. From a bit higher level, I think the following would be interesting to do: • Some pure JavaScript benchmarks - We don’t interfere much with JS, but it will be a good test anyway to find out if JS running in Firefox is like Safari. The expectation is that the performance is similar. • Something regarding page load and rendering. We do interfere with loading and rendering in the form of user scripts. Like reader mode, password manager, favicons, etc. It would be interesting to see how much impact those have compared to Safari. Although Safari is weird baseline for that because they probably do similar things. Maybe we need to run these against a plain WKWebView without user scripts. That way we will find out the actual performance hit of our additional code. • HTML5 features. The ACID test and https://html5test.com <https://html5test.com/> should give the same results for Safari and Firefox. I don’t know how complete those tests are but they can be an indication about HTML features that Safari got and the WKWebView did not. (Right now there is 100% parity.) Again, i don’t know what the best tests are. Opinions welcome. S.
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