On Wed, 20 Jan 2021 15:08:22 GMT, Claes Redestad <redes...@openjdk.org> wrote:
>> This patch improves `UnixPath.encode` by reusing `JLA.getBytesNoRepl` (which >> has fast-paths for common encoding) and avoiding a `toCharArray` call on the >> input by refactoring the `normalizeNativePath` code to operate on `String`. >> This might have a cost on files on Mac that need additional native >> normalization. >> >> This removes another `ThreadLocal` and a source of `SoftReference`s. >> Together with the UTF-8 fast-path my UTF-8 encoded file system see >> substantial speed-ups in a trivial `new File(str).toPath()` microbenchmark. > > Claes Redestad has updated the pull request with a new target base due to a > merge or a rebase. The incremental webrev excludes the unrelated changes > brought in by the merge/rebase. The pull request contains six additional > commits since the last revision: > > - Merge branch 'master' into unix_encode > - Move FileOpen.ToPath micros into top class > - Move JLA to top, add imports > - Fold ToPath into FileOpen, add root benchmarks to keep mix comparable > - Add micro. To properly examine cost of toPath() needs a new File due > caching - use FileOpen as a baseline > - Optimize UnixPath.encode Marked as reviewed by shade (Reviewer). ------------- PR: https://git.openjdk.java.net/jdk/pull/2135