RFR: 8378698: Optimize Base64.Encoder#encodeToString

[Patrick Strawderman]

On Thu, 26 Feb 2026 19:33:29 GMT, Chen Liang <liach at openjdk.org> wrote:

> Yes, please add this new benchmark method to `Base64Encode` benchmark.

Okay, it was a little easier to just add a new benchmark class rather than rework the existing one.

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PR Comment: https://git.openjdk.org/jdk/pull/29920#issuecomment-3969030054