[heap] Set number of fixpoint iterations to 10

Set number of fixpoint iterations to 10 before switching to the linear
algorithm. The flag's initial default value was set to 0 to use the
linear algorithm all the time for testing purposes.

Bug: chromium:844008
Change-Id: Ib0fd6241b55468ef5be2c4cc3cc147db2d432c83
Reviewed-on: https://chromium-review.googlesource.com/1134769
Reviewed-by: Ulan Degenbaev <ulan@chromium.org>
Commit-Queue: Dominik Inführ <dinfuehr@google.com>
Cr-Commit-Position: refs/heads/master@{#54413}
This commit is contained in:
Dominik Inführ 2018-07-12 10:30:02 +02:00 committed by Commit Bot
parent 6ee834532d
commit 7abd2243e2

View File

@ -704,7 +704,7 @@ DEFINE_BOOL(concurrent_marking, V8_CONCURRENT_MARKING_BOOL,
"use concurrent marking")
DEFINE_BOOL(parallel_marking, true, "use parallel marking in atomic pause")
DEFINE_IMPLICATION(parallel_marking, concurrent_marking)
DEFINE_INT(ephemeron_fixpoint_iterations, 0,
DEFINE_INT(ephemeron_fixpoint_iterations, 10,
"number of fixpoint iterations it takes to switch to linear "
"ephemeron algorithm")
DEFINE_BOOL(trace_concurrent_marking, false, "trace concurrent marking")