Issue 165449: Avoid map transitions and multiple backing arrays for builtin prototypes...

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Issue 165449: Avoid map transitions and multiple backing arrays for builtin prototypes... (Closed)

Created:
11 years, 4 months ago by Erik Corry

Modified:
9 years, 7 months ago

Reviewers:
Mads Ager (chromium)

CC:
v8-dev

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

Visibility:
Public.

Description

Avoid map transitions and multiple backing arrays for builtin prototypes while adding functions and other properties. This gives around 2% on context-create, more if we don't GC on every new context. Also fix accounting bug in cell space.

Patch Set 1 #

Created: 11 years, 4 months ago

Download [raw] [tar.bz2]

	Unified diffs	Side-by-side diffs	Stats (+37 lines, -2 lines)			Patch
M	src/heap.cc	View	1 chunk	+3 lines, -1 line	0 comments	Download
M	src/math.js	View	1 chunk	+1 line, -0 lines	0 comments	Download
M	src/runtime.h	View	1 chunk	+2 lines, -0 lines	0 comments	Download
M	src/runtime.cc	View	1 chunk	+24 lines, -0 lines	0 comments	Download
M	src/spaces.h	View	1 chunk	+1 line, -1 line	0 comments	Download
M	src/v8natives.js	View	2 chunks	+6 lines, -0 lines	0 comments	Download

Messages

Total messages: 2 (0 generated)

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LGTM

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