> Our Talos results may be measuring imperfect things, but we have
> enough datapoints that we can draw statistical conclusions from
> them confidently.
Statistics doesn't help if you're measuring the wrong things. Whether Ts
is measuring the wrong thing, I don't know. It would be possible to learn
something about that question by measuring startup with a camera,
Telemetry simple measures, and Talos on the same machine and seeing how
they compare.
"Ts, Paint" measures the time between a call to window.open to the first
MozAfterPaint for that window in a running process. It's analogous to
hitting ctrl-n in Firefox. The page that gets loaded is light weight. It
measures pretty much everything associated with window creation, including
widget, dom, layout, and browser front end window startup and rendering.
It's a very good test IMHO.
Jim
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