On Wed, 14 May 2025 19:37:37 GMT, Archie Cobbs <aco...@openjdk.org> wrote:
> 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. I'm curious to know whether C2 turns the loop into a vectorized operation. The Arrays.fill might be more expressive, but not necessarily faster. ------------- PR Comment: https://git.openjdk.org/jdk/pull/25237#issuecomment-2884095477
