Hash functions: An empirical comparison - strchr.com
Abstract: Benchmark program for hash tables and comparison of 15 popular hash functions. Created 17 years ago by Peter Kankowski Last changed 4 years ago Contributors: Nils, Ace, Won, Andrew M., and Georgi 'Sanmayce' Filed under Algorithms Hash tables are popular data structures for storing key-value pairs. A hash function is used to map the key value (usually a string) to array index. The functio
Throw away the keys: Easy, Minimal Perfect Hashing
I know how to make and sell software online, and I can share my tips with you. Email | Twitter | LinkedIn | Comics | All articles CORRECTION: In this article, I incorrectly state that an acyclic finite state automata (aka a DAWG) cannot be used to retrieve values associated with its keys. I have since learned that it can. By storing in each internal node the number of leaf nodes that are reachable
Parallel Locality Sensitive Hashing Project
The PLSH project was a joint project between researchers at Intel's Parallel Computing Lab and MIT's Computer Science and Artificial Intelligence Laboratory (CSAIL) to develop a new parallelized variant of the Locality Sensitive Hashing Algorithm that supports real-time similarity search on massive streaming datasets across multiple nodes. Since its development, the LSH algorithm has proven to be
Robin Hood Hashing should be your default Hash Table implementation
A Random Walk Through Geek-Space Brain dumps and other ramblings from Sebastian Sylvan Robin Hood Hashing should be your default Hash Table implementation 8/May 2013 There’s a neat variation on open-addressing based hash tables called Robin Hood hashing. This technique isn’t very well-known, but it makes a huge practical difference because it both improves performance and space utilization compare
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Hashing Modulo Theories
