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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:
5 years, 7 months ago by kewpie.w.zp
Modified:
3 years, 3 months ago
Reviewers:
CC:
v8-dev
Visibility:
Public.

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 #

Unified diffs Side-by-side diffs Delta from patch set 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
Trybot results:

Messages

Total messages: 1 (0 generated)
kewpie.w.zp
4 years, 10 months ago (2013-01-08 09:58:51 UTC) #1

          

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