1607930 - Enable deferred allocation mode by default

Status: RESOLVED FIXED

(Core :: JavaScript Engine, task, P1)

Description

[Matthew Gaudet (he/him) [:mgaudet]]

To allow simplifying future development on deferred allocation mode, we need to first enable it by default, then after it's been smoke tested for a while in nightly, we can get rid of the whole dual path system and simplify a bunch of things to make reasoning easier.

Comment 1

[Matthew Gaudet (he/him) [:mgaudet]]

As a pre-flight check, this is a 10-repetition perfherder comparison between disabled-by-default and enabled-by-default

It appears there are no significant performance differences as hypothesized.

As well, this is a basic smoke test try run which shows things are doing well functionally.

Comment 2

[Matthew Gaudet (he/him) [:mgaudet]]

Attachment: Bug 1607930 - Enable deferred allocation mode by default r?tcampbell

Comment 3

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/24ac3bde10e0
Enable deferred allocation mode by default r=tcampbell

Comment 4

[Stefan Hindli [:stefan_hindli]]

https://hg.mozilla.org/mozilla-central/rev/24ac3bde10e0