RFR: 8261251: Shenandoah: Use object size for full GC humongous compaction

Aleksey Shipilev shade at openjdk.java.net
Mon Feb 8 07:31:45 UTC 2021


On Fri, 5 Feb 2021 18:21:55 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> Currently, copying objects in full GC humongous object comaction copies the full region. We can limit that to copying only the object size and save some wasted cycles. Also, this fixes a test failure with loom where object copy checks that the given size matches the object size.
> 
>  - [x] hotspot_gc_shenandoah
>  - [x] tier1(+Shenandoah)

Marked as reviewed by shade (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2433



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