[aarch64-port-dev ] RFR: aarch64: improve _unsafe_arraycopy stub routine

Andrew Haley aph at redhat.com
Tue Mar 29 09:15:40 UTC 2016

On 28/03/16 16:25, Felix Yang wrote:
>     Please review webrev:
> http://cr.openjdk.java.net/~fyang/8152840/webrev.00/
>     JIRA issue: https://bugs.openjdk.java.net/browse/JDK-8152840
>     Patch improves _unsafe_arraycopy stub by checking the alignment of the
> src, dest, and count, and call some faster arraycopy stubs (say
> StubRoutines::_jshort_arraycopy).  About 1%+ performance gain on Spark
> Terasort benchmark by this improvement.

Yes, that looks OK.


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