Re: how to convert code that uses cmp to python3

From	Antoon Pardon <antoon.pardon@rece.vub.ac.be>
Newsgroups	comp.lang.python
Subject	Re: how to convert code that uses cmp to python3
Date	2016-04-08 16:22 +0200
Message-ID	<mailman.87.1460125333.2253.python-list@python.org> (permalink)
References	(5 earlier) <85fuuw5ypl.fsf@benfinney.id.au> <5707B2CE.1010407@rece.vub.ac.be> <mailman.81.1460122331.2253.python-list@python.org> <87bn5kfbsq.fsf@elektro.pacujo.net> <5707BE8F.9050408@rece.vub.ac.be>

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Op 08-04-16 om 15:52 schreef Marko Rauhamaa:
> Antoon Pardon <antoon.pardon@rece.vub.ac.be>:
>
>> Well having a list of 1000 Sequence like object. Each sequence
>> containing between 1 and 100 numbers. Comparing each sequence
>> to each other a 100 times. I get the following results.
>>
>> Doing it as follows:
>>     seq1 < seq2
>>     seq2 < seq1
>>
>> takes about 110 seconds.
>>
>> Doing it like this:
>>     delta = cmp(seq1, seq2)
>>     delta < 0
>>     delta > 0
>>
>> takes about 50 seconds.
> Looks like a completely artificial scenario.
>
It is the code I run when I traverse a tree
and decide either to go left, right or have
found the node I am looking for.

And yes I have worked with keys like that.

-- 
Antoon

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Re: how to convert code that uses cmp to python3 Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-04-08 15:31 +0200
  Re: how to convert code that uses cmp to python3 Marko Rauhamaa <marko@pacujo.net> - 2016-04-08 16:52 +0300
    Re: how to convert code that uses cmp to python3 Antoon Pardon <antoon.pardon@rece.vub.ac.be> - 2016-04-08 16:22 +0200

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