Issue 10096005: A very small marking bitmap (2 bits) is sufficient for large object page since just one object in i…

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Issue 10096005: A very small marking bitmap (2 bits) is sufficient for large object page since just one object in i…

Created:
8 years, 8 months ago by kewpie.w.zp

Modified:
6 years, 4 months ago

Reviewers:

CC:
v8-dev

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

Visibility:
Public.

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Description

A very small marking bitmap (2 bits) is sufficient for large object page since just one object in it. This is a proposal patch to shrink LO page's marking bitmap to save memory footprint, approximately 32K marking bitmap saved for each LO page. Patch has passed tools/presubmit.py and tools/test.py. Please kindly review and comment as appropriate. BUG=v8:1990 TEST=

Patch Set 1 #

Created: 8 years, 8 months ago

Download [raw] [tar.bz2]

	Unified diffs	Side-by-side diffs	Stats (+23 lines, -5 lines)			Patch
M	src/spaces.h	View	2 chunks	+7 lines, -3 lines	0 comments	Download
M	src/spaces.cc	View	2 chunks	+7 lines, -2 lines	0 comments	Download
M	src/spaces-inl.h	View	1 chunk	+9 lines, -0 lines	0 comments	Download

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