1503695 - High CPU usage on Kepler animated SVGs

Status: NEW

(Core :: Web Painting, enhancement, P3)

Description

[Markus Stange [:mstange]]

This page shows high CPU usage: https://archive.nytimes.com/www.nytimes.com/interactive/science/space/keplers-tally-of-planets.html

Profile: http://bit.ly/2zg8tXp

Refresh ticks take around 60ms on my machine, and the time is divided pretty evenly between rAF, styling, display list building, layerization, and rasterization.

Comment 1

[Vicky Chin [:vchin]]

Worth noting that Chrome also uses high CPU and spins up the fan loading this page on my macbook. The animation is actually much smoother on Firefox. \o/

Comment 2

[Mayank Bansal]

here is a WR profile: https://perfht.ml/2OlbFqx
some time spent in scripts as well

Comment 3

[Randell Jesup [:jesup] (needinfo me)]

non-WR linux profile: https://perfht.ml/2P6tq1V