1625591 - Consider allocating RuntimeScriptData and passing as part of Stencil

Status: RESOLVED INVALID

(Core :: JavaScript Engine, task, P2)

Description

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

It's not clear if this is a good fit for the stencil design today, but is worth talking about.

• A side effect of this we should consider is partially initializing the RSD from offthread, filling in the JSAtoms* we can, while punting the rest to main thread (this presupposes we have a RSD filled with ParseAtomIndexes

Comment 1

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

Attachment: Bug 1625591 - Pass preallocated RuntimeScriptData to stencil rather than ImmutableScriptData. r?tcampbell

Comment 2

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

(Removing assignment, until we have a clear decision here)

Comment 3

[Ted Campbell [:tcampbell]]

With Bug 1638470, the RuntimeScriptData is trivial. Instead, I'm proposing we move it's allocation to the de-duplication process so that we do not allocate if we will immediately throw away. See Bug 1638668.