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

[Emanuel Peter]

On Fri, 16 Jan 2026 09:23:01 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:

>> Emanuel Peter has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix small issue in benchmark and add comment
>
> test/micro/org/openjdk/bench/vm/compiler/VectorAlgorithmsImpl.java line 61:
> 
>> 59:         }
>> 60:         return r;
>> 61:     }
> 
> You can add another flavor for vector API kernels where tail is implemented using masked operations.
> 
> 
> if (i < r.length) {
>     VectorMask<Integer> mask = SPECIES_I.indexInRange(i, r.length);
>     v.intoArray(r, i, mask);
> }
> 
> 
> Simply replicated the loop body guarded by Mask.
> https://github.com/openjdk/jdk/pull/28002/changes#diff-b5c49811dff21107eb8c8ab0578be4cd235c6f69bafd879a8e4b4620b974c25bR153-R159

Good idea, I could!
However, it would mean I would have to probably add this version for every benchmark.
I'm wondering if that is worth it.
I think I won't add it now, but maybe in a follow-up RFE :)

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PR Review Comment: https://git.openjdk.org/jdk/pull/28639#discussion_r2697707533