[bip] Bioinformatics Programming Language Shootout, Python performance poopoo'd

Paulo Nuin nuin at genedrift.org
Fri Feb 8 11:27:59 PST 2008


Paul Davis wrote:
> On 2/8/08, Paulo Nuin <nuin at genedrift.org> wrote:
>   
>>
>> I will test the C and C++ later (and I can try the C# at home), can you
>> send me the input file you used? Regarding the trees you obtained with
>> Python and Perl they are completely different in their topology. If
>> anyone is interested I can share the images of the trees. So if your
>> trees are different how can you be sure that your algorithms are
>> identical and are doing the same thing in different languages?
>>
>>     
>
> I think the answer is, "You can't"
>
> If the algorithm is deterministic, then they should give roughly the
> same output. There's always the possibility of math being a bit screwy
> with float math, but even then results should be fairly close.
>
> Wildly different topologies would probably mean that one or the other
> or both are wrong.
>
> Paul Davis
>   
Indeed. Even the tree scales were different according to the tree 
drawing program.

Paulo



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