Integrated: 8329998: Remove double initialization for parts of small TypeArrays in ZObjArrayAllocator

Thu May 16 07:54:10 UTC 2024

On Wed, 10 Apr 2024 13:06:47 GMT, Axel Boldt-Christmas <aboldtch at openjdk.org> wrote:

> [JDK-8139457](https://bugs.openjdk.org/browse/JDK-8139457) introduced non-word aligned payloads for TypeArrays. This required adaptation in `ZObjArrayAllocator` segmented array allocator. But the implementation does this adaptation even when the size is small enough and dispatches the allocation to `ObjArrayAllocator`, which already handles clearing this memory.
> 
> Instead move the initialization of any unaligned payload start to after the segmented allocation decision.

This pull request has now been integrated.

Changeset: 96c5c3fe
Author:    Axel Boldt-Christmas <aboldtch at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/96c5c3fe75103dc45bc1c3ccce0ab36303121a60
Stats:     33 lines in 1 file changed: 16 ins; 13 del; 4 mod

8329998: Remove double initialization for parts of small TypeArrays in ZObjArrayAllocator

Reviewed-by: stefank, gli

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PR: https://git.openjdk.org/jdk/pull/18721