Hi All,

I wanted to use the Kier Hall topological descriptors for a large sdfile but
it's seems to be very slow. I tested the calculator on a sd-file containing
10 (not to complex) structures and it takes over a minute on the following
platform: 

Windows 2000 
Java 1.6.0_02-b06
Pentium 4 CPU 2.40 GHz
1GB RAM

ChiChainDescriptor:      5 sec.
ChiPathClusterDescriptor 25 sec.
ChiClusterDescriptor     4 sec.
ChiPathDescriptor:       46 sec.


Can anybody confirm the low performance?
Is it due to the set-up of the program (query all possible fragments per
ordered) or am I overlooking something here?

Thanks,

Peter

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Specs
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The Netherlands

p +31 15 2518139 (direct)
f +31 15 2518181
www.specs.net
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