RFR: 8366588: VectorAPI: Re-intrinsify VectorMask.laneIsSet where the input index is a variable

[Aleksey Shipilev]

On Mon, 8 Sep 2025 01:22:46 GMT, erifan <duke at openjdk.org> wrote:

>> test/micro/org/openjdk/bench/jdk/incubator/vector/VectorExtractBenchmark.java line 34:
>> 
>>> 32: @Warmup(iterations = 5, time = 1)
>>> 33: @Measurement(iterations = 5, time = 1)
>>> 34: @Fork(value = 1, jvmArgs = {"--add-modules=jdk.incubator.vector"})
>> 
>> Don't do 1 fork, do at least 3.
>
> The test results show that this test is stable, so I think forking once is enough? We have many JMH benchmarks that fork once.

OK then.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27113#discussion_r2329468832