> Please review this small performance tweak `ArrayDeque`. > > `ArrayDeque` has an invariant in which any unused elements in the array must > be null. In a couple of places, the code is setting contiguous ranges of > elements to null using `for()` loops. This can be both simplified and sped up > by using `Arrays.fill()` instead.
Archie Cobbs has updated the pull request incrementally with one additional commit since the last revision: Blackhole ArrayDeque to ensure it's not ignored by the compiler. ------------- Changes: - all: https://git.openjdk.org/jdk/pull/25237/files - new: https://git.openjdk.org/jdk/pull/25237/files/1b8fb830..9f0c5fe1 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=25237&range=02 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25237&range=01-02 Stats: 4 lines in 1 file changed: 2 ins; 1 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/25237.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/25237/head:pull/25237 PR: https://git.openjdk.org/jdk/pull/25237