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Re: [Haskell-cafe] FASTER primes (was: Re: Code and Perf. Data for Prime

Subject: Re: [Haskell-cafe] FASTER primes was: Re: Code and Perf. Data for Prime Finders (was: Genuine Eratosthenes sieve)
From: Daniel Fischer
Date: Tue, 29 Dec 2009 12:26:20 +0100

Am Dienstag 29 Dezember 2009 04:38:21 schrieb Will Ness:

> Now _this_, when tested as interpreted code in GHCi, runs about 2.5x times

> faster than Priority Queue based code from Melissa O'Neill's ZIP package

> mentioned at the haskellwiki/Prime_Numbers page, with

> about half used memory reported, in producing 10,000 to 300,000 primes.

>

> It is faster than BayerPrimes.hs from the ZIP package too, in the tested

> range, at about 35 lines of code in total.

That's nice. However, the important criterion is how compiled code (-O2) fares. Do the relations continue to hold? How does it compare to a bitsieve?

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