RFR: 8305811: (bf) Improve heap buffer performance of CharBuffer::append(CharSequence)

Tue Apr 11 16:27:33 UTC 2023

On Tue, 11 Apr 2023 00:11:50 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

> Use the `getChars` method of `String`, `StringBuffer`, and `StringBuilder` to load the chars directly into the array of the heap buffer.

It is odd that `StringBuilder` is so much slower than `StringBuffer` before this PR. Is there a plausible explanation for that?

-------------

PR Comment: https://git.openjdk.org/jdk/pull/13415#issuecomment-1503717681