> `ZipCoder::checkedHashCode` emulates `StringLatin1::hashCode` but operates on > a `byte[]` subrange. It can profitably use the recently introduced > `ArraysSupport::vectorizedHashCode` method to see a speed-up, which > translates to a small but significant speed-up on `ZipFile` creation. > > Before: > > Benchmark (size) Mode Cnt Score Error Units > ZipFileOpen.openCloseZipFile 512 avgt 15 83007.325 ± 1446.716 ns/op > ZipFileOpen.openCloseZipFile 1024 avgt 15 154550.631 ± 2166.673 ns/op > > After: > > Benchmark (size) Mode Cnt Score Error Units > ZipFileOpen.openCloseZipFile 512 avgt 15 79512.902 ± 814.449 ns/op > ZipFileOpen.openCloseZipFile 1024 avgt 15 147892.522 ± 2744.017 ns/op
Claes Redestad has updated the pull request incrementally with one additional commit since the last revision: Vary dir and entry name lengths across a wider spread, keeping most entries short but making the longest paths longer ------------- Changes: - all: https://git.openjdk.org/jdk/pull/12077/files - new: https://git.openjdk.org/jdk/pull/12077/files/0c7f0f4f..369537c5 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=12077&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12077&range=00-01 Stats: 9 lines in 1 file changed: 5 ins; 1 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/12077.diff Fetch: git fetch https://git.openjdk.org/jdk pull/12077/head:pull/12077 PR: https://git.openjdk.org/jdk/pull/12077
