I&#39;m sort of jumping into this conversation late, and I&#39;m definitely a Haskell newbie, but I have to wonder if the speed differences don&#39;t have something to do with the C arguments passing conventions. I know there&#39;s some rule that says if your first couple args are int&#39;s to pass them in the CPU registers which might explain some of the speed boost for putting them first. I need to go dig through my x86 reference manuals to get the exact rules though.<br>
<br clear="all">-R. Kyle Murphy<br>--<br>Curiosity was framed, Ignorance killed the cat.<br>
<br><br><div class="gmail_quote">On Sun, Mar 7, 2010 at 22:40, MAN <span dir="ltr">&lt;<a href="mailto:elviotoccalino@gmail.com">elviotoccalino@gmail.com</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
A little something I should have done before:<br>
<br>
Just compiled Don&#39;s C code (modified to my 32 bit laptop) with all<br>
flavors of precision. All the timings were similar:<br>
<br>
~$ gcc bigmean.c -o bgC<br>
~$ chmod +x bgC<br>
~$ ./bgC 1000000000<br>
~$ time ./bgC 1000000000<br>
500000000.067109<br>
<br>
real    0m8.585s<br>
user    0m8.553s<br>
sys     0m0.000s<br>
<br>
<br>
So the time&#39;s I&#39;ve been getting are approximating C speed quite well.<br>
There&#39;s still the difference between recursive and fusion code that<br>
haven&#39;t been able to gap...<br>
<div><div></div><div class="h5"><br>
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