I can pretty much crash it at will, so just let me know how I can provide
useful debugging info. I would have sent info in already, but all I get is
"avogadro.exe has stopped working..." There aren't any details to copy.

One thing I've noticed that is repeatable is copying certain groups of
atoms. I don't know what it is about them. It's not a lot of atoms (< 100)
and it's not all groups of atoms (even larger ones), but I have some that
will do it 100% of the time. This is on the 1.1 beta -- I haven't tried
1.0.3 (I uninstalled it prior to installing 1.1 -- can they coexist?).

Sincerely,
James

> -----Original Message-----
> From: Geoff Hutchison [mailto:[email protected]]
> Sent: Saturday, July 21, 2012 10:29 PM
> To: [email protected]
> Subject: Re: [Avogadro-Discuss] GPU acceleration, Avogadro 2.0
> 
> > As general feedback, the software is great so far (it does crash
> > frequently, but I just save often and I haven't been bothered enough
> > by it to track down why it might be -- perhaps my Nvidia drivers)
> 
> I have heard anecdotal reports on Windows 7. My students (with integrated
> graphics) don't usually have these issues, so I suspect updating drivers
might
> help. If you're willing to help us debug these issues, we'd be thrilled.
> 
> > My only real concern is that my machine will end up not allowing me to
> > work with the number of atoms I want, although my impression is that
this
> is frequently true of molecular simulations in general.
> 
> It just depends on how long you're willing to wait. Certainly larger
simulations
> (thousands of atoms) are usually run on clusters.
> 
> Our force field code certainly has room for optimization, and as I said
this is
> underway. But yes, MMFF94 is highly accurate for drug-like compounds, and
> UFF is a useful alternative for a wide range of the periodic table.
> 
> In any case, besides our code, I'm actively investigating the OpenMM
> libraries, which are GPU-accelerated molecular mechanics methods out of
> Stanford. Certainly the performance looks excellent.
> 
> Thanks for the feedback!
> 
> -Geoff
> 
> 
>
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