RFR: 8308899: Introduce Classfile.Context and improve Classfile.Option(s) [v21]

[Chen Liang]

On Wed, 21 Jun 2023 06:29:40 GMT, Adam Sotona <asotona at openjdk.org> wrote:

>> Adam Sotona has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   ClassfileBenchmark::transformWithNewMaps changed to transformWithAddedNOP
>
> I think we've resolved controversy about global static CHR cache (by having no global static CHR cache ;) and turned all performance issues into minor improvements. A new `ClassfileBenchmark` has been added for more precise future continuous performance monitoring.
> 
> This PR is now waiting for review to unblock all follow-up conversion work.
> 
> Thank you,
> Adam

@asotona I've sent a patch to your fork for a few API problems spotted a while ago and reported on the mailing list. Feel free to review my patch when you are back to work.

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PR Comment: https://git.openjdk.org/jdk/pull/14180#issuecomment-1605866429