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Ran 05 Oct 2020 08:33AM UTC

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Files 77

Run time 9s

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Build # 2627

Build Type

push

travis-ci

Committed by

ben-manes

Commit Message

Update to JDK15 field layouts and add deprecations

To protect against false sharing the field layout is padded to utilize
different CPU cache lines. The layout rules were changed in JDK 15
which requires more verbose byte fields to have the desired effect [1].

Due to the striped buffer already guarding against contention, padding
the ring buffer array slots is unecessary.

The softly deprecated classes, SingleConsumerQueue and UnsafeAccess,
are now explicitly deprecated. As Unsafe is still used, access is
obtained using an internal class or, for tests, JCTools' version.
To suppress compiler warnings the imports are inlined.

[1] https://shipilev.net/jvm/objects-inside-out/#_observation_c_style_padding_is_unreliable

Coverage Stats

6226 of 6683 relevant lines covered (93.16%)

0.93 hits per line

Jobs

ID	Job ID	Ran	Files	Coverage
2	2627.2 (TERM=dumb ORG_GRADLE_PROJECT_checksumFailOn=build_finish ORG_GRADLE_PROJECT_checksumPrint=true ORG_GRADLE_PROJECT_checksumIgnore=false GROUP=tests)	05 Oct 2020 08:33AM UTC	0	93.16	Travis Job 2627.2

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