[Numpy-discussion] extremely slow array indexing?
robert.kern at gmail.com
Thu Nov 30 12:15:25 CST 2006
Fang Fang wrote:
> Thanks for your reply. The simplified code is as follows. It takes 7
> seconds to process 1000 rows, which is tolerable, but I wonder why it
> takes so long. Isn't vectorized operation supposed to run very quickly.
One problem is that you are creating a new currSum array for every row. Try using
currSum += row
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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