dweiss commented on issue #12704: URL: https://github.com/apache/lucene/issues/12704#issuecomment-1774156970
I borrowed that constant in BitMixer from Sebastiano Vigna, I believe. Here is a nice overview of its origin/ rationale: https://softwareengineering.stackexchange.com/questions/402542/where-do-magic-hashing-constants-like-0x9e3779b9-and-0x9e3779b1-come-from I can only confirm that a good hash redistribution function, along with linear probing, give very good results in most hash/index redistribution problems I've seen. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@lucene.apache.org For additional commands, e-mail: issues-h...@lucene.apache.org
