For the e10s talos regressions see https://bugzilla.mozilla.org/show_bug.cgi?id=1174776 and https://bugzilla.mozilla.org/show_bug.cgi?id=1184277. We've already diagnose one source of the regression to be a difference with GC/CC behavior when running e10s talos.
On Fri, Jul 10, 2015 at 5:44 PM, Vladan Djeric <vdje...@mozilla.com> wrote: > Yup, the median shutdown duration for Release 39 users on Windows with > Telemetry is 2.3 seconds for example: http://mzl.la/1HSHiD8 > Those are also the kinds of shutdown times I see on my Windows machines > when I have 3-5 windows open with 5-10 tabs each. > > What is your experience? > Btw, you can go to about:telemetry and look through your archived Telemetry > pings to see a history of your own shutdownDurations. Open about:telemetry, > select "Archived ping data", open the "Simple Measurements" section, and > use the next-previous arrows to look through your Telemetry submissions. > Focus on the "saved-session" pings. > > On Fri, Jul 10, 2015 at 5:33 PM, Mike Hommey <m...@glandium.org> wrote: > > > On Fri, Jul 10, 2015 at 03:59:43PM -0400, Vladan Djeric wrote: > > > A few of us on the perf team (+ Joel Maher) looked at e10s performance > & > > > stability using Talos, Telemetry, and crash-stats. I wrote up the > > > conclusions below. > > > > > > Notable improvements in Talos tests [1]: > > > > > > * Hot startup time in Talos improved by about 50% across all platforms > > > (ts_paint [2]). This test measures time from Firefox launch until a > > Firefox > > > window is first painted (ts_paint); I/O read costs are not accounted > for, > > > as data is already cached in the OS disk buffer before the test. > > > * The tsvgr_opacity test improved 50-80% across all platforms. This is > a > > > sign of a reduction in the overhead of loading a page, instead of an > > > improvement in actual SVG performance. > > > * Linux scrolling performance improved 5-15% > > > * The long-standing e10s WebGL performance regression has been fixed > > > * SVG rendering performance (tsvgx) is ~25% better on Windows 7 & 8, > but > > it > > > is 10% worse on Windows XP and 25% worse on Linux > > > > > > Notable regressions in Talos tests [1]: > > > > > > * There are several large regressions unique to Windows XP. Scrolling > > > smoothness regressed significantly (5-6 times worse on tp5o_scroll and > > > tscrollx [2]), resizing of Firefox windows is 150% worse (tresize), SVG > > > rendering performance is 25% worse (tsvgx) > > > * Page loading time regressed across all platforms (tp5o). Linux > > regressed > > > ~30%, OS X 10.10 regressed 20%, WinXP/Win8/Win7 all regressed ~10%. > > > Page-loading with accessibility enabled (a11yr) saw similar > regressions. > > > * Time to open a new Firefox window (tpaint) regressed 30% on Linux, > and > > > across different versions of Windows (<10%) > > > * Resizing of Firefox windows (tresize) is ~15% worse on Linux > > > * Note: not all tests are compatible with e10s yet (e.g. > session-restore > > > performance test) so this list isn't complete > > > > > > Notable improvements from Telemetry data [3]: > > > > > > * Overall tab animation smoothness improved significantly: 50% vs 30% > of > > > tab animation frames are hitting the target 16ms inter-frame interval. > > See > > > FX_TAB_ANIM_* graphs in [3] to see the distribution of frame intervals. > > > Note that not all tab animations benefited equally. > > > * e10s significantly decreased jank caused by GC & CC, both in parent & > > > content processes (GC_MAX_PAUSE_MS, GC_SCC_SWEEP_MAX_PAUSE_MS, > > > CYCLE_COLLECTOR_MAX_PAUSE, etc [3]) > > > * Unlike Talos, Telemetry suggests that the time to open a new Firefox > > > window improved with e10s (FX_NEW_WINDOW_MS) > > > * Median time to restore a saved session improved by 40ms or 20% > > > ("simpleMeasurements/sessionRestored") > > > * Median shutdown duration improved by 120ms or 10% > > > ("simpleMeasurements/shutdownDuration") > > > > Wait. What? Median shutdown duration is 1.2s ?!? > > > _______________________________________________ > dev-platform mailing list > dev-platform@lists.mozilla.org > https://lists.mozilla.org/listinfo/dev-platform > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
