Hi Radim, With SSE4.2 support, the iSCSI CRC32C is the fastest method available. As of HDFS 2, we use that method by default for new files.
-Todd On Sun, Nov 25, 2012 at 6:58 PM, Radim Kolar <h...@filez.com> wrote: > its not that big speed difference in this test: > > http://www.strchr.com/hash_**functions#results<http://www.strchr.com/hash_functions#results> > > asm version of CRC32 on i5 is fastest, but Java8 switched to murmur3 for > hashing strings, i didnt get why they use it instead of > > *java.util.zip.CRC32. The collisions seems to be about same.* > > -- Todd Lipcon Software Engineer, Cloudera
