Bug 251752 - Optimize layout of Document to reduce padding
Summary: Optimize layout of Document to reduce padding
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: DOM (show other bugs)
Version: WebKit Local Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Simon Fraser (smfr)
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2023-02-04 23:01 PST by Simon Fraser (smfr)
Modified: 2023-02-05 22:42 PST (History)
7 users (show)

See Also:

Attachments
Patch (17.28 KB, patch)
2023-02-04 23:04 PST, Simon Fraser (smfr) 		no flags Details | Formatted Diff | Diff
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
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].