Re: [Pytables-users] how to speed up attributes access

[Francesc A. <fa...@py...>]

A Monday 25 October 2010 22:16:30 David Briant escrigué:
> I'm wondering if it might be better creating a representation of the
> attributes in memory using dicts. The code I posted takes about a
> second at the moment and I'll need to do lots of lookups by
> attributes and I'll end up with thousands of tables.

If you are going to repeat similar lookups in time, you may want to try 
fine-tuning the `NODE_CACHE_SLOTS` parameter that sets the maximum 
number of unreferenced nodes to be kept in memory.  See:

http://www.pytables.org/docs/manual/apc.html#id364527

Cheers,

-- 
Francesc Alted