RFR: 8255949: AArch64: Add support for vectorized shift right and accumulate

Fri Nov 6 10:08:51 UTC 2020

On 11/6/20 3:44 AM, Dong Bo wrote:
> Added a JMH micro `test/micro/org/openjdk/bench/vm/compiler/VectorShiftAccumulate.java` for performance test.
> We witness about ~20% with different basic types on Kunpeng916.

Do you find it disappointing that there is such a small improvement?
Do you konw why that is? Perhaps the benchmark is memory bound, or
somesuch?

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671