Patrick, that is wrong. You don't spend a significant portion of 3 seconds looking up a global variable 10 times.
kl. 18:25:25 UTC+2 torsdag 31. juli 2014 skrev Patrick O'Leary følgende: > > On Thursday, July 31, 2014 10:38:33 AM UTC-5, Neal Becker wrote: >> >> Attached is my 1st attempt at julia, it is a simple FIR filter, which I >> translated from my c++ version. >> >> It is benchmarking about 10x slower than python wrapped c++ version. >> >> Any suggestions? > > > Your variable `g` is in global scope, and used in the `timeit()` function, > so that's a likely candidate (see > http://julia.readthedocs.org/en/latest/manual/performance-tips/#avoid-global-variables). > > Try defining `g` inside `timeit()`. >
