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Issue 10556004: Revert part of 11727 as it sometimes tanked V8 benchmark (raytrace) performance (Closed)

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Created:
1 year, 10 months ago by Erik Corry
Modified:
1 year, 10 months ago
Reviewers:
ulan
CC:
v8-dev_googlegroups.com
Visibility:
Public.

Description

Revert part of 11727 as it sometimes tanked V8 benchmark (raytrace) performance
for reasons that are not obvious. Now we make objects into fast-case objects
when they are made prototypes for other objects, but we do not mark objects
that are already fast case with a bit that helps keep them in fast case.
Committed: https://code.google.com/p/v8/source/detail?r=11831

Patch Set 1 #

Unified diffs Side-by-side diffs Delta from patch set Stats (+14 lines, -66 lines) Lint Patch
M src/objects.h View 3 chunks +1 line, -12 lines 0 comments 0 errors Download
M src/objects.cc View 2 chunks +7 lines, -30 lines 0 comments 0 errors Download
M src/objects-inl.h View 2 chunks +1 line, -16 lines 0 comments 0 errors Download
M test/cctest/test-heap.cc View 1 chunk +3 lines, -6 lines 0 comments 0 errors Download
M test/mjsunit/fast-prototype.js View 1 chunk +2 lines, -2 lines 0 comments 0 errors Download
Trybot results:
Commit:

Messages

Total messages: 2
Erik Corry
1 year, 10 months ago #1
ulan
1 year, 10 months ago #2
LGTM (rubber-stamp).

Could you please add to the description that it is a partial revert?

I checked that it fixed the raytrace regression on my machine.
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