On Feb 21, 2008, at 8:05 AM, Peter Maas wrote:

> Just for your information on the BCUT descriptor
>
> On my windowsXP Intel 2.4 GHz, 1GB RAM, JDK 1.6)
>
> 50 structures
> was 1 min 15 sec
> Now 12 sec
>
> 5059 structures
> was 1h 32m 44s
> Now 16m 38s
>
> So big improvement.

The current SVN has an even bigger improvement - path length calc's  
are much faster with the updated polarizability code. I see at least  
a 2x speedup, sometimes more.

It's still going to be slow for very large molecules.

CID 3807 (http://pubchem.ncbi.nlm.nih.gov/summary/summary.cgi? 
db=pccompound&term=3807)  takes about 1.5s and CID 24763 (http:// 
pubchem.ncbi.nlm.nih.gov/summary/summary.cgi?cid=24763) takes  along  
time - though I'd regard the latter as pathological.

In any case,I could process 24K structures from PubChem in under 4 min

Let me know how the latest code works on your molecules

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