Can you check the code into a branch?

Do you mean 5% faster at ConnectTheDots, or 5% faster over the whole reading in?

- Noel

On 10 February 2014 02:40, Geoffrey Hutchison <geoff.hutchi...@gmail.com> wrote:
> I got the hash-based algorithm up and running (commit here). I ran it on a
> folder of ~100 cif files, and it's about 5% faster. I don't think the small
> performance gain is worth migrating away from tried and tested code, but, if
> there's another opinion out there, let me know.
>
>
> The current ConnectTheDots is generally N log N since the atoms are sorted.
> But my question would be whether the PerceiveBondOrders is being triggered
> on your CIF files. Try, for example, running:
>
> obabel file.cif -O file.cml -as #output only single bonds from
> ConnectTheDots()
>
> I suspect the problem is not in perceiving bonds, but the ring perception
> and aromaticity detection needed in the PerceiveBondOrders.
>
> BTW, I'd try benchmarking before and after the commit with -as for
> perceiving only single bonds. I'd be curious on large CIF files how much the
> hash-based algorithm helps.
>
> Geoff - This might be more of a question for the Avogadro mailing list, but
> do you think there's a more elegant way to handle these large cifs in a GUI?
> The example cif currently freezes up Avogadro (and the internal front-end
> software at my job) with a ton of CPU work. Maybe this could be run in a
> background thread with a timeout?
>
>
> Avogadro *does* read molecule files in a background thread. Granted, you
> can't do anything until the molecule is read, but the interface still works.
> Again, if you're seeing a huge CPU hit, my guess is that it's from PBO. Now
> if you have a bit of free time for coding, I've got a great idea there for a
> huge performance win. :-)
>
> -Geoff

------------------------------------------------------------------------------
Managing the Performance of Cloud-Based Applications
Take advantage of what the Cloud has to offer - Avoid Common Pitfalls.
Read the Whitepaper.
http://pubads.g.doubleclick.net/gampad/clk?id=121051231&iu=/4140/ostg.clktrk
_______________________________________________
OpenBabel-Devel mailing list
OpenBabel-Devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/openbabel-devel

Reply via email to