Hi Thomas, 

very interesting indeed. Thanks a lot. 

Cheers, 

Chris


On 21 Jan 2011, at 12:06, Thomas Strunz wrote:

> 
> Hi all,
> 
> just a few short comments if anyone is interested:
> 
>       • I'm using multiple threads to read + create the Molecules. On an i7 
> 870 @stock CPU (my personal desktop, 4 cores) search speed basically scales 
> 100% going from 2 to 4 of such reader threads (while having only 1 that does 
> the graph matching). In numbers: I'm searching for benzene in 65'000 records 
> ( a subset of a subset of the Zinc Databasehttp://zinc.docking.org/). The 
> search returns 37914 hits in about 22 s (2 threads) and about 11 s(4 threads).
>           The issue is that the search only returns the ID so all hits will 
> have to be created a second time for displaying.
> 
>       • I created SMILES from above Molecules. Creating Molecules from SMILES 
> is slightly slower than from Molfiles, hence search speed is slower too. The 
> difference is around 15%.
> 
>       • I will probably make the source available some time. Have never done 
> this and not sure how to proceed especially concerning licenses of all the 
> used libraries and which one to use myself. Also I would probably need to 
> create some kind of QuickStart Guide / Documentation to make it 
> usable/understandable. So this could take some time.
> 
> Regards,
> 
> Thomas
> 
> 
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--
Dr. Christoph Steinbeck
Head of Chemoinformatics and Metabolism
European Bioinformatics Institute (EBI)
Wellcome Trust Genome Campus
Hinxton, Cambridge CB10 1SD UK
Phone +44 1223 49 2640

Video meliora proboque deteriora sequor.
                ... Ovid, Metamorphoses VII, 20/21


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