RFR: 8305896: Alternative full GC forwarding [v35]

Mon May 8 13:45:37 UTC 2023

On Mon, 8 May 2023 13:22:18 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> I meant the full-GCs of G1 and Shenandoah, which use multiple threads to do their work.

I see; regions in the compaction-queue might not be contiguous in heap-space, so to-regions will not necessarily be adjacent.

Thank you for the clarification.

> And btw, even if what you say were true, we could not do this.

I meant keep the current from-region size and double only to-region size. (But my original assumption was wrong, so this doesn't work.)

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PR Comment: https://git.openjdk.org/jdk/pull/13582#issuecomment-1538382862