RFR: 8343629: More MergeStore benchmark [v5]

[Shaojin Wen]

On Fri, 15 Nov 2024 04:15:36 GMT, Shaojin Wen <swen at openjdk.org> wrote:

>> 1. Added the putBytes4 benchmark, which corresponds to StringBuilder appendNull
>> 2. Optimized the putChars4/setInt/setLong series of benchmarks to reduce extra overhead and more accurately reflect performance differences.
>
> Shaojin Wen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   seperate MergeStoreBench and MergeLoadBench

Thanks, Emanuel Peter.

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PR Comment: https://git.openjdk.org/jdk/pull/21659#issuecomment-2577224547