RFR: 8336856: Efficient hidden class-based string concatenation strategy [v55]

[Claes Redestad]

On Wed, 14 Aug 2024 09:11:21 GMT, Shaojin Wen <duke at openjdk.org> wrote:

> Is there any work for me to do?

No, barring any further review comments from others I think we're good for this PR. 

Reaching out and getting help evaluating this at scale would be very valuable. So far I've only seen positives when testing this out on other benchmarks, especially startup tests. 

I'm of course biased, but I think this work already represents a significant move forward by much reducing startup and warmup overheads -- while staying mostly throughput neutral (with a few noisy exceptions).

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PR Comment: https://git.openjdk.org/jdk/pull/20273#issuecomment-2288290860