A Wednesday 14 November 2007, Istvan Albert escrigué: > On Nov 13, 11:27 am, Francesc Altet <[EMAIL PROTECTED]> wrote: > > Another possibility is using an indexed column in a table in a DB. > > Lookups there should be much faster than using a dictionary as > > well. > > I would agree with others who state that for a simple key based > lookup nothing beats a dictionary. > > But knowing that you are one of the authors of the excellent pytables > module I think you are approaching this problem from the perspective > of reading in a large number of values on each access. In those cases > specialized libraries (like the hdf) can directly load into memory > huge amounts of continuous data at speeds that substantially > outperform all other approaches.
Yes, could be. However, I was well aware that the problem was looking up one single value, so, mea culpa :(. Sorry for introducing noise. -- >0,0< Francesc Altet http://www.carabos.com/ V V Cárabos Coop. V. Enjoy Data "-" -- http://mail.python.org/mailman/listinfo/python-list
