[Haskell-cafe] Re: Hashtable woes

Brian Sniffen brian.sniffen at gmail.com
Fri Feb 10 18:06:09 EST 2006

On 2/10/06, Ketil Malde <ketil.malde at bccs.uib.no> wrote:

> Hmm...perhaps it is worth it, then?  The benchmark may specify "hash
> table", but I think it is fair to interpret it as "associative data
> structure" - after all, people are using "associative arrays" that
> (presumably) don't guarantee a hash table underneath, and it can be
> argued that Data.Map is the canonical way to achieve that in Haskell.

Based on this advice, I wrote a k-nucleotide entry using the rough
structure of the OCaml entry, but with the manual IO from Chris and
Don's "Haskell #2" entry.  It runs in under 4 seconds on my machine,
more than ten times the speed of the fastest Data.HashTable entry.

Brian T. Sniffen
bts at alum.mit.edu    or    brian.sniffen at gmail.com

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