RFR: 8264973: AArch64: Optimize vector max/min/add reduction of two integers with NEON pairwise instructions [v2]

Andrew Haley aph at openjdk.java.net
Mon May 24 11:12:05 UTC 2021


On Mon, 17 May 2021 10:50:02 GMT, Dong Bo <dongbo at openjdk.org> wrote:

> _Mailing list message from [Andrew Haley](mailto:aph at redhat.com) on [hotspot-compiler-dev](mailto:hotspot-compiler-dev at mail.openjdk.java.net):_
> 
> On 5/10/21 6:55 AM, Dong Bo wrote:
> 
> > PING? Any comments/suggestions are appreciated.
> > Although this has been reviewed by Ningsheng, we still need help from reviewers here.
> 
> I'm testing this now.

I'm back on this, and I can't see how to run the tests. Paul Sandoz says the perf tests in the `panama-vector` are under a maven project, but which maven project is that? 

You say "When I tested this, the incompatible DecodeBench.java was deleted first since it is all about ShortVector and ByteVector rather than Int64Vector." but I don't know what that means.

Please provide step-by-step instructions that allow anyone to reproduce your results.

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PR: https://git.openjdk.java.net/jdk/pull/3683


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