> Currently it's O(n) - we do `n` shifts of bytes within `StringBuilder`. This > can be reduced to O(1) improving the code like: > > DateTimeFormatter dtf = new DateTimeFormatterBuilder() > .appendLiteral("Date:") > .padNext(20, ' ') > .append(DateTimeFormatter.ISO_DATE) > .toFormatter(); > String text = dtf.format(LocalDateTime.now());
Sergey Tsypanov has updated the pull request incrementally with one additional commit since the last revision: 8300818: One more benchmark ------------- Changes: - all: https://git.openjdk.org/jdk/pull/12131/files - new: https://git.openjdk.org/jdk/pull/12131/files/baa7f92e..48a0cc70 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=12131&range=06 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12131&range=05-06 Stats: 14 lines in 1 file changed: 11 ins; 0 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/12131.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/12131/head:pull/12131 PR: https://git.openjdk.org/jdk/pull/12131