RFR 8135028 - support for vectorizing double precision sqrt
christian.thalinger at oracle.com
Tue Sep 8 17:19:18 UTC 2015
> On Sep 4, 2015, at 10:34 AM, Berg, Michael C <michael.c.berg at intel.com> wrote:
> Hi Vladimir, as requested I have made a separate review for the sqrt vector changes.
> I would like to contribute support for vectorizing double precision sqrt on Intel architectures. I need two reviewers to examine this patch and comment as needed:
> Bug-id: https://bugs.openjdk.java.net/browse/JDK-8135028 <https://bugs.openjdk.java.net/browse/JDK-8135028>
> http://cr.openjdk.java.net/~mcberg/8135028/webrev.01/ <http://cr.openjdk.java.net/~mcberg/8135028/webrev.01/>
> These changes are made to add support to vectorize double precision sqrt which is available through the math library in scalar form.
The change looks good but I don’t understand the “math lib dependency” comments.
> The changes are for current and future Intel architectures.
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