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https://issues.apache.org/jira/browse/LUCENE-9838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17305573#comment-17305573
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Robert Muir commented on LUCENE-9838:
-------------------------------------
No mr-jar cannot be used here. I was the one that originally added the
FutureArrays stuff :)
The problem here is the incubating module (cannot compile or run without
special flags). And now it is undergoing another incubation round:
https://openjdk.java.net/jeps/8261663
So it may seriously be java 21 or something like that before it can be used.
> simd version of VectorUtil.dotProduct
> -------------------------------------
>
> Key: LUCENE-9838
> URL: https://issues.apache.org/jira/browse/LUCENE-9838
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Robert Muir
> Priority: Major
> Attachments: LUCENE-9838.patch, LUCENE-9838_standalone.patch
>
> Time Spent: 6.5h
> Remaining Estimate: 0h
>
> Followup to LUCENE-9837
> Let's explore using JDK 16 vector API to speed this up more. It might be a
> hassle to try to MR-JAR/package up for users (adding commandline flags and
> stuff), but it gives good performance.
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