RFR: 8373026: C2 SuperWord and Vector API: vector algorithms test and benchmark [v5]

[Xiaohong Gong]

On Tue, 20 Jan 2026 07:05:39 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Creating a mask for each loop iteration may affect Vector API benchmark results, especially on SVE. If the benchmark is intended to compare Vector API performance against auto‑vectorization, using a tail‑loop version would be preferable for a more fair comparison.
>
> @XiaohongGong Thanks for the comment :)
> Right, we can do all of those things. We can have lots of variants to demonstrate different effects and trade-offs.
> I might do that in a follow-up RFE :)

Yeah, I agree adding another version of Vector API benchmark used with mask. That's fine to me. Thanks!

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PR Review Comment: https://git.openjdk.org/jdk/pull/28639#discussion_r2707056738