Issue 414045: After performing scavenge, hint OS that data in from spaces are no more neede...

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Issue 414045: After performing scavenge, hint OS that data in from spaces are no more neede... (Closed)

Created:
11 years, 1 month ago by antonm

Modified:
7 years, 5 months ago

Reviewers:
Christian Plesner Hansen, Vitaly Repeshko, Mads Ager (chromium)

CC:
v8-dev

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

Visibility:
Public.

Description

After performing scavenge, hint OS that data in from spaces are no more needed, so there is no need to swap it out---they might be just discarded. Currently implemented only for Windows. Should be easy to port to other OSes using madvise, but needs additional measurements.

Patch Set 1 #

Created: 11 years, 1 month ago

Download [raw] [tar.bz2]

	Unified diffs	Side-by-side diffs	Stats (+54 lines, -0 lines)			Patch
M	src/heap.cc	View	1 chunk	+1 line, -0 lines	0 comments	Download
M	src/platform.h	View	1 chunk	+4 lines, -0 lines	0 comments	Download
M	src/platform-freebsd.cc	View	1 chunk	+5 lines, -0 lines	0 comments	Download
M	src/platform-linux.cc	View	1 chunk	+5 lines, -0 lines	0 comments	Download
M	src/platform-macos.cc	View	1 chunk	+5 lines, -0 lines	0 comments	Download
M	src/platform-nullos.cc	View	1 chunk	+6 lines, -0 lines	0 comments	Download
M	src/platform-win32.cc	View	1 chunk	+6 lines, -0 lines	0 comments	Download
M	src/spaces.h	View	3 chunks	+10 lines, -0 lines	0 comments	Download
M	src/spaces-inl.h	View	2 chunks	+12 lines, -0 lines	0 comments	Download

Messages

Total messages: 2 (0 generated)

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antonm

Guys, I felt a victim of the well-known decease---I cannot reproduce the boost I saw ...

11 years ago (2009-11-25 15:12:59 UTC) #1

LGTM

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