Bug 143447

Summary:

Chalkboard is very slow on Mac-Book-Pro relative to Mac when running with the same window size

Product:

WebKit

Reporter:

Said Abou-Hallawa <sabouhallawa>

Component:

SVG

Assignee:

Nobody <webkit-unassigned>

Status:

NEW ---

Severity:

Normal

CC:

webkit-bug-importer, zimmermann

Priority:

Keywords:

InRadar

Version:

528+ (Nightly build)

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Mac profile	none
iMacBook profiling	none

Description Said Abou-Hallawa 2015-04-06 11:16:40 PDT

On Mac

Safari: takes 7.27 seconds.
Chrome: takes 21.13 seconds.

On iMacBook

Safari: takes 76.77 seconds.
Chrome: takes 46.97 seconds.

There should be something related to the CG on iMac-Book and how it measures/renders graphical items on the screen.

Comment 1 Said Abou-Hallawa 2015-04-06 11:18:03 PDT

Created attachment 250211 [details]
Mac profile

Profling results from the Mac machine with window size 1920x1070.

Comment 2 Said Abou-Hallawa 2015-04-06 11:23:45 PDT

Created attachment 250213 [details]
iMacBook profiling

Profiling results from the iMacBook machine with window size 1920-1090.

Comment 3 Radar WebKit Bug Importer 2015-04-06 11:25:19 PDT

<rdar://problem/20436152>