[vector] AVX2 ByteVector.shiftR performance and semantics

Viswanathan, Sandhya sandhya.viswanathan at intel.com
Thu Jul 25 23:39:44 UTC 2019


Hi Richard,

I just pushed a patch onto vectorIntrinsics branch which should fix this regression. 
Please give it a try and let us know.

Best Regards,
Sandhya


-----Original Message-----
From: panama-dev [mailto:panama-dev-bounces at openjdk.java.net] On Behalf Of John Rose
Sent: Wednesday, July 24, 2019 2:50 PM
To: Richard Startin <richard at openkappa.co.uk>
Cc: panama-dev at openjdk.java.net
Subject: Re: [vector] AVX2 ByteVector.shiftR performance and semantics

On Jul 24, 2019, at 2:34 PM, Richard Startin <richard at openkappa.co.uk> wrote:
> 
> I just built the API again from the vectorIntrinsics branch, and rewrote the code posted earlier in this chain as follows:

Thanks Richard!  After the last refactoring we had to fix some inlining problems.
I hope this is one more of the same.  We’ll take a look.  Thanks for the small test case.
— John


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