[Haskell-cafe] Re: SHA1 again

[Anatoly Yakovenko]

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 <aeyakovenko at gmail.com> 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 <malte at gmx-topmail.de> 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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