Re: [Haskell-cafe] Re: SHA1 again

you probably got crappy timings with mine because it was compiled with -prof, and without all the optimization options. you should try some of them on your implementation. -O2 -fexcess-precision -funbox-strict-fields gave me a significant boost. On 7/15/07, Anatoly Yakovenko wrote:

this is my current one http://hpaste.org/1704

doing a sum with yours (2nd one on http://hpaste.org/1695#a2) on a 4mb mp3 i got

real 0m33.147s user 0m13.129s sys 0m0.724s

with mine i got

real 0m1.262s user 0m1.096s sys 0m0.120s

On 7/15/07, Malte Milatz wrote:

...

I wrote:

...

Before I started tweaking (with the help of the IRC channel), I had read the input in as a ByteString, then unpacked it to [Word8] for further processing.

I forgot to mention that I still used ByteString.length here. That may be a very important factor.

Malte

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