[vector] RFR 8219878: Vectorized Poly1305 benchmark

[Adam Petcher]

On 3/6/2019 5:30 PM, Viswanathan, Sandhya wrote:

> Hi Adam,
>
> Thank a lot for the crypto benchmarks.
>
> Just curious, what performance gain do you see for Poly1305 with the multiplication optimization?

On a Core i7-4980HQ (Haswell) at 2.8 GHz:

Scalar Poly1305 (JDK 11): 600 MB/s
This benchmark without the optimization: 800 MB/s
This benchmark with the optimization: 2200 MB/s