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Reland "Enable lazy feedback allocation"

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This is a reland of 8c10501be5.
Reland after fixing test failures.

Original change's description:
> Enable lazy feedback allocation
>
> Bug: v8:8394
> Change-Id: I29ffd38725bdcaa9dd11221045dba681eb0d567b
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1643430
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Commit-Queue: Mythri Alle <mythria@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#61991}

Bug: v8:8394
Change-Id: Icc9e276ab22ca6455b775f3c27e0d43c3f08b887
TBR: rmcilroy@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1647161
Reviewed-by: Mythri Alle <mythria@chromium.org>
Commit-Queue: Mythri Alle <mythria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#62018}
This commit is contained in:
Mythri A 2019-06-04 15:29:38 +01:00 committed by Commit Bot
parent e423f00403
commit 333615cfc2
1 changed files with 1 additions and 2 deletions
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3
src/flags/flag-definitions.h
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@ -382,8 +382,7 @@ DEFINE_BOOL(use_ic, true, "use inline caching")
DEFINE_INT(budget_for_feedback_vector_allocation, 1 * KB,
"The budget in amount of bytecode executed by a function before we "
"decide to allocate feedback vectors")
DEFINE_BOOL(lazy_feedback_allocation, false, "Allocate feedback vectors lazily")
DEFINE_IMPLICATION(future, lazy_feedback_allocation)
DEFINE_BOOL(lazy_feedback_allocation, true, "Allocate feedback vectors lazily")
// Flags for Ignition.
DEFINE_BOOL(ignition_elide_noneffectful_bytecodes, true,