System.identityHashCode

[John Rose]

On May 11, 2020, at 2:02 PM, forax at univ-mlv.fr wrote:
> 
> I was thinking about doing a reduce using a xor between the primitive fields and the klass,
> but i've discovered that reduceLanes(XOR) provided by the panama vector API is not one AVX operation :(

The best cross-lane bit-mixer is AES step, followed by
long multiply.  Reduce-lanes XOR is many times worse.