Reviewers: Hannes Payer,
Message:
Hi Hannes, WDYT about this approach?
Description:
Implement aging of maps embedded in optimized code.
Instead allowing a map to die immediately and deoptimize code that depenend
on
it,
age the map gradually to descrease chances of deoptimizing the code.
Note that maps die immediately if there is memory pressure
(kReduceMemoryFootprint is on).
BUG=v8:3664
LOG=N
Please review this at https://codereview.chromium.org/688853007/
Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Affected files (+144, -17 lines):
M src/heap/heap.h
M src/heap/heap.cc
M src/heap/incremental-marking.cc
M src/heap/mark-compact.h
M src/heap/mark-compact.cc
M src/lithium-codegen.cc
M src/objects.h
M src/objects.cc
M src/objects-inl.h
M src/serialize.cc
M test/cctest/test-api.cc
M test/cctest/test-heap.cc
M test/cctest/test-object-observe.cc
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