Issue 669161: Speed up no-capture case for RegExp.exec().

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Issue 669161: Speed up no-capture case for RegExp.exec(). (Closed)

Created:
10 years, 9 months ago by Erik Corry

Modified:
9 years, 7 months ago

Reviewers:
Kasper Lund

CC:
v8-dev

Base URL:
http://v8.googlecode.com/svn/branches/bleeding_edge/

Visibility:
Public.

Description

Speed up no-capture case for RegExp.exec(). Committed: http://code.google.com/p/v8/source/detail?r=4048

Patch Set 1 #

Total comments: 1

Created: 10 years, 9 months ago

Download [raw] [tar.bz2]

		Unified diffs	Side-by-side diffs	Delta from patch set	Stats (+23 lines, -12 lines)			Patch
	M	src/regexp-delay.js	View		2 chunks	+23 lines, -12 lines	1 comment	Download

Messages

Total messages: 2 (0 generated)

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Kasper Lund

10 years, 9 months ago (2010-03-05 14:50:29 UTC) #2

LGTM.

http://codereview.chromium.org/669161/diff/1/2
File src/regexp-delay.js (right):

http://codereview.chromium.org/669161/diff/1/2#newcode180
src/regexp-delay.js:180: var result = new $Array(1);
I wonder if 

   result = [ SubString(s, matchStart, matchEnd) ];

would be faster?

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