RFR: 8310031: Parallel: Implement better work distribution for large object arrays in old gen [v7]

Mon Sep 18 14:53:44 UTC 2023

On Mon, 18 Sep 2023 13:41:32 GMT, Richard Reingruber <rrich at openjdk.org> wrote:

> I would like to keep this as simple as possible

Totally agree; what I suggested above doesn't require remset-related change (at least not as far I can envision).

> ... all cards of a large array on the current stripe following a dirty card are considered dirty too.

Wouldn't that negate the purpose of precise-dirty-card for obj-array, i.e. skipping scanning mem corresponding to clean cards?

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PR Comment: https://git.openjdk.org/jdk/pull/14846#issuecomment-1723605681