Re: [Numpy-discussion] sorting and nans, timings.

David Cournapeau wrote: > Charles R Harris wrote: > >> Hi All, >> >> I changed the sort routines to sort nans to the end and got some >> timings. Sorting 10 random doubles 100 times yields: >> >>current nan version >> quicksort 1.17 sec1.29 sec >> mergesort

Re: [Numpy-discussion] sorting and nans, timings.

Charles R Harris wrote: > Hi All, > > I changed the sort routines to sort nans to the end and got some > timings. Sorting 10 random doubles 100 times yields: > >current nan version > quicksort 1.17 sec1.29 sec > mergesort 1.37 sec1.36 sec > heapsort

[Numpy-discussion] sorting and nans, timings.

Hi All, I changed the sort routines to sort nans to the end and got some timings. Sorting 10 random doubles 100 times yields: current nan version quicksort 1.17 sec1.29 sec mergesort 1.37 sec1.36 sec heapsort 1.83 sec2.12 sec Curiously, mergesort doe