779884 - 6-12% Tp5 regression on various platforms

Status: RESOLVED DUPLICATE of bug 776741

(Firefox :: General, defect)

Description

[Jonathan Watt [:jwatt]]

Seems like we got a 6-12% Tp5 regression on various platforms on the 31st July.

Linux:   http://goo.gl/nh6o0
Win:     http://goo.gl/SZA4P
WinXP:   http://goo.gl/Uhj9N
OSX10.7: http://goo.gl/z5w1Z
OSX64:   http://goo.gl/25yGP

Comment 1

[Ed Morley [:emorley]]

Some platforms coalesce more than others, so tried a few to see if the ranges lines up...

> Win:     http://goo.gl/SZA4P
http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=9378d1f70e5c&tochange=6d9745a02c2d

> OSX10.7: http://goo.gl/z5w1Z
http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=9378d1f70e5c&tochange=56e0971c81ea

> OSX64:   http://goo.gl/25yGP
http://hg.mozilla.org/integration/mozilla-inbound/pushloghtml?fromchange=9378d1f70e5c&tochange=56e0971c81ea

Comment 2

[Ed Morley [:emorley]]

CCing people in that range.

Comment 3

[:Benjamin Peterson]

Probably a dup of 776741.

Comment 4

[Jonathan Watt [:jwatt]]

That bug was reported well before 31st July.

Comment 5

[:Benjamin Peterson]

Bug 776741 tracks several regressions. Bug 777190 patched up some of the memory regression in exchange for performance as we see here.