[15] RFR(M): 8245512: CRC32 optimization using AVX512 instructions

[Rukmannagari, Shravya]

Hi All,

We would like to contribute optimizations for CRC32 algorithm for upcoming Intel x86_64 platforms.



Contributors:

Shravya Rukmannagari(shravya.rukmannagari at intel.com)

Greg B Tucker(greg.b.tucker at intel.com)



I have tested the patch to confirm correctness and performance. The patch also passes compiler/jtreg tests.



Please take a look and let me know if you have any questions or comments.



Bug Id: https://bugs.openjdk.java.net/browse/JDK-8245512

https://cr.openjdk.java.net/~srukmannagar/CRC32/webrev.01/



Regards,

Shravya Rukmannagari