Re: [Numpy-discussion] strange runtimes of numpy fft

2013-11-19 Thread Charles Waldman
apeau wrote: >> > On Thu, Nov 14, 2013 at 4:45 PM, Charles Waldman >> wrote: >> >> >> >> Can you post the raw data? It seems like there are just a couple of >> "bad" >> >> sizes, I'd like to know more precisely what these are

Re: [Numpy-discussion] runtime warning for where

2013-11-16 Thread Charles Waldman
> Don't forget that np.where is not smart And there's really no way it could be. np.where, like all Python functions, must evaluate all of the arguments first, then call the function. ___ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://m

Re: [Numpy-discussion] strange runtimes of numpy fft

2013-11-14 Thread Charles Waldman
Can you post the raw data? It seems like there are just a couple of "bad" sizes, I'd like to know more precisely what these are. It's typical for FFT to perform better at a sample size that is a power of 2, and algorithms like FFTW take advantage of factoring the size, and "sizes that are product