Bug 210087 - Consider changing String(NSString *) to minimize character copying.
Summary: Consider changing String(NSString *) to minimize character copying.
Status: RESOLVED WONTFIX
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: Unspecified Unspecified
: P2 Normal
Assignee: Mark Lam
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2020-04-06 18:23 PDT by Mark Lam
Modified: 2020-04-08 13:14 PDT (History)
1 user (show)

See Also:

Attachments
proposed patch. (2.10 KB, patch)
2020-04-06 18:31 PDT, Mark Lam 		no flags Details | Formatted Diff | Diff
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Description Mark Lam 2020-04-06 18:23:58 PDT 
<rdar://problem/59174950>
Comment 1 Mark Lam 2020-04-06 18:31:06 PDT 
Created attachment 395642 [details]
proposed patch.

Let's get some testing on this first.
Comment 2 Mark Lam 2020-04-08 13:14:15 PDT 
Perf testing shows that this change is at best perf neutral, and at worst, a perf regression on Speedometer2 and PLT5.

We will not be landing this.