RFR(S): 8205194: Improve the Array Comparison when there is a mismatch at first element. (original) (raw)
Deshpande, Vivek R vivek.r.deshpande at intel.com
Mon Jun 18 23:52:55 UTC 2018
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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
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