Bug 251752

Summary:

Optimize layout of Document to reduce padding

Product:

WebKit

Reporter:

Simon Fraser (smfr) <simon.fraser>

Component:

DOM

Assignee:

Simon Fraser (smfr) <simon.fraser>

Status:

RESOLVED FIXED

Severity:

Normal

CC:

cdumez, esprehn+autocc, ews-watchlist, heycam, kangil.han, simon.fraser, webkit-bug-importer

Priority:

Keywords:

InRadar

Version:

WebKit Local Build

Hardware:

Unspecified

OS:

Unspecified

Attachments:

Description	Flags
Patch	none

Description Simon Fraser (smfr) 2023-02-04 23:01:14 PST

SVGDocument (and thus XMLDocument and Document) are large with lots of padding:

Total byte size: 3088
Total pad bytes: 238

On a sample wikipedia page, there are 15 SVGDocuments for a total 46080 bytes (3072 allocated for each).

Comment 1 Radar WebKit Bug Importer 2023-02-04 23:01:34 PST

<rdar://problem/105050739>

Comment 2 Simon Fraser (smfr) 2023-02-04 23:04:05 PST

Created attachment 464846 [details]
Patch

Comment 3 EWS 2023-02-05 22:42:00 PST

Committed 259879@main (a6fc9735c4b6): <https://commits.webkit.org/259879@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 464846 [details].