[master] RFR: 8347711: [Lilliput] Parallel GC support for compact identity hashcode [v4]

[Roman Kennke]

On Mon, 7 Apr 2025 13:15:27 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> How does this algorithm deal with objects larger than region size?

Currently not particularily well: it doesn't move them at all (because they don't fit), and it *also* doesn't move other objects past them. There's a TODO to make it possible to move objects around large objects (don't have to be > region-sized, also something like 1/2 region sized objects may have difficulty to move). I'll address that in a follow-up PR.

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PR Comment: https://git.openjdk.org/lilliput/pull/195#issuecomment-2783321874