Ivar, did you test this claim? Or are you just reporting your a priori beliefs?

 -- John

On Jul 31, 2014, at 9:28 AM, Ivar Nesje <[email protected]> wrote:

> 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()`. 

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