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Re: [igraph] efficiency

From: Gábor Csárdi
Subject: Re: [igraph] efficiency
Date: Sat, 28 Nov 2009 10:11:42 +0100

On Sat, Nov 28, 2009 at 2:45 AM, zhengjun chen <address@hidden> wrote:
> Hi,
> I do not know the performance of Igraph R. I know a bit about the
> performance of Igraph Python. It is much slower than C version when the
> graph grows large. So, if you want to experiment on large graphs, You should
> choose C version.
> On Fri, Nov 27, 2009 at 8:41 PM, Roberto Pagliari <address@hidden> wrote:
>> Hi All,
>> I was wondering if there are results about performance evaluation of
>> igraph R vs igraph for C. Does R use C routines? Because I'm interested in
>> simulating over large graphs. So if there's a huge difference in terms of
>> performances, I'd better off using the C version.

Hmmmm, can you show an example for which it is much slower?

It should not be slower at all. See e.g. this thread:

I would definitely go with the R or Python version, the one that you
are more familiar with. R and Python are _much_ more productive than
programming in C. Only use C if you really need to.



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