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Tagged with hashingperformance
5 questions
-3votes
2answers
1kviews
Which hash algorithm is best for speed and identical hashes. (a lot of collisions)
I'm searching an existing hash function or trying to make a hash function that has a lot of collisions. Regularly a hash is used for it's ability to create unique hashes for hash tables or security ...
-1votes
2answers
935views
Does sql use hastables for indexes? [closed]
Are there other ways of indexing?, Which are the more used? Does sql have an standard for indexes, it uses hash tables?
- 101
6votes
1answer
1kviews
How can I benchmark concurrent key-value stores?
I have some concurrent key-value store implementations that are implemented with hash tables and search trees that I would like to compare. I would like to benchmark them with a real world application ...
- 69
-3votes
2answers
2kviews
One global HashMap vs. many local HashMaps? [closed]
Which is more efficient; which is faster? Trade-offs? Goal is for fast look-ups in a web application. UUIDs are the keys, so global will work. Approx 50 million values. A global cache is ...
- 316
1663votes
11answers
854kviews
Which hashing algorithm is best for uniqueness and speed?
Which hashing algorithm is best for uniqueness and speed? Example (good) uses include hash dictionaries. I know there are things like SHA-256 and such, but these algorithms are designed to be secure,...
- 23k
