RFR(S): 8205194: Improve the Array Comparison when there is a mismatch at first element.

[Deshpande, Vivek R]

Hi All

Forgot to add the links:
https://bugs.openjdk.java.net/browse/JDK-8205194
webrev:
http://cr.openjdk.java.net/~vdeshpande/vectorizedMismatch_jdk/webrev.00/

Regards.
Vivek

From: Deshpande, Vivek R
Sent: Monday, June 18, 2018 4:50 PM
To: 'jdk-dev at openjdk.java.net' <jdk-dev at openjdk.java.net>
Cc: 'Paul Sandoz' <paul.sandoz at oracle.com>; Viswanathan, Sandhya <sandhya.viswanathan at intel.com>
Subject: RFR(S): 8205194: Improve the Array Comparison when there is a mismatch at first element.

Hi All

I would like to contribute a patch which improves the array comparison when there is a mismatch for the first element.
This avoids call to vectorizedMismatch method and gives ~80x speed up.
Please review and sponsor the patch.

Regards,
Vivek