yade-users team mailing list archive

[Luc Sibille <luc.sibille@xxxxxxxxxxxxxx>]

Václav Šmilauer a écrit :
> > After it is difficult to say if SDEC was slower or faster than Yade, I 
> > tried to make comparisons but it was on different computers, so it is 
> > not very meaningful! Please keep in mind that SDEC and Yade are made 
> > with different objectives. It was not very easy in SDEC to make 
> > modifications without change the core of the code, whereas evolutions 
> > and complementary packages can be easly introduced in Yade, 
>
> I didn't suggest to compare yade agains SDEC, but to compare yade
> against pfc3d and esys-particle (for instance), using a well-defined
> benchmark: a funnel with 10k,100k,1M particles for something that moves
> and perhaps isotropic compression for a more-or-less static simulation.

I understand Vaclav, here it was just a reply to Janek's comments...

> > everybody  can take advantage of developments made by others.
>
> Oh, really. I keep rewriting bad code all the time :-|
>
> > my conclusion: speed is not the only key point.
>
> I don't buy this, if that means: we don't have to care about speed. For
> research, flexibility is good, but if it is at the cost of significantly
> lower speed when doing simulations, than something's wrong.

I agree with you Vaclav, I just wanted to explain that when you choose a 
code, you have to care about the speed (it is important of course) but 
not only.


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Luc Sibille

Université de Nantes - Laboratoire GeM UMR CNRS

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