RFR: 8282874: Bad performance on gather/scatter API caused by different IntSpecies of indexMap

Jie Fu jiefu at openjdk.java.net
Fri Mar 11 09:05:44 UTC 2022


On Fri, 11 Mar 2022 08:45:12 GMT, Joshua Zhu <jzhu at openjdk.org> wrote:

> Check a simple reproducer at http://cr.openjdk.java.net/~jzhu/8282874/CheckAssembly.java. We can verify its performance via execution time.

Thanks @JoshuaZhuwj for your clarification.
So we can create a jtreg test based on CheckAssembly.java, right?

If you are busy to do so, we'd like to have a try.
What do you think?

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PR: https://git.openjdk.java.net/jdk/pull/7757


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