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Type: Bug
Resolution: Fixed
Priority: P3
Fix Version/s: 13
Affects Version/s: 11, 12, 13
Component/s: hotspot
Labels:

Subcomponent:
compiler
Resolved In Build:
b07

Issue	Fix Version	Assignee	Priority	Status	Resolution	Resolved In Build
JDK-8227523	11.0.6-oracle	Vladimir Ivanov	P3	Resolved	Fixed	b01
JDK-8227140	11.0.5	Vladimir Ivanov	P3	Resolved	Fixed	b01

Continuous deoptimization w/ Reason_speculate_class_check and Action_none when recompilation count is too high.

Affects EarleyBoyer benchmark (Octane/Nashorn) and manifests as bimodal distribution of scores.

backported by

JDK-8227140 C2: Continuous deoptimization w/ Reason_speculate_class_check and Action_none

Resolved

JDK-8227523 C2: Continuous deoptimization w/ Reason_speculate_class_check and Action_none

Resolved

relates to

JDK-8068915 C2: uncommon trap w/ Reason_speculate_class_check causes performance regression due to continuous deoptimizations

Closed

Assignee:: Vladimir Ivanov

Reporter:: Vladimir Ivanov

Votes:: 0 Vote for this issue

Watchers:: 3 Start watching this issue

Created:: 2019-01-31 11:39

Updated:: 2019-10-04 06:29

Resolved:: 2019-02-01 19:05

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