993689 - Provide native js shell to tarako b2g builds

Status: RESOLVED FIXED

(Release Engineering :: General, defect)

Description

[Chris AtLee [:catlee]]

Attachment: js-mozilla-b2g28_v1_3t.patch.0

If we have a native js shell, then the build system minifies the js sources, resulting in a smaller omni.ja

Comment 1

[Chris AtLee [:catlee]]

Comment on attachment 8403566 [details] [diff] [review]
js-mozilla-b2g28_v1_3t.patch.0

https://hg.mozilla.org/releases/mozilla-b2g28_v1_3t/rev/a5e49b9b5c9f

Comment 2

[James Zhang (Spreadtrum)]

Can you give me the memory shrink data ?
I found homescreen memory usage is less than before.

Comment 3

[[:fabrice] Fabrice Desré]

(In reply to James Zhang from comment #2)
> Can you give me the memory shrink data ?
> I found homescreen memory usage is less than before.

I didn't run memory usage numbers recently but that used to be pretty significant: https://bugzilla.mozilla.org/show_bug.cgi?id=903149#c0

omni.ja is about 1MB smaller as far as ROM size is concerned.

Comment 4

[Chris AtLee [:catlee]]

Fabrice, is this worthwhile doing on other devices as well?

Comment 5

[[:fabrice] Fabrice Desré]

(In reply to Chris AtLee [:catlee] from comment #4)
> Fabrice, is this worthwhile doing on other devices as well?

I tend to think so, but only for user builds. It's kind of hard to debug minified chrome js and we have no sourcemaps yet.