On Friday, March 28, 2014 1:14:29 AM UTC-4, John Myles White wrote:
>
> Try this:
>
> function main()
> j = k = 1
> t1 = @elapsed while k <= 10^8
> j += k & 1
> k += 1
> end
>
> j = k = 1
> t2 = @elapsed while true
> k > 10^8 && break
> j += k & 1
> k += 1
> end
>
> return t1, t2
> end
>
> # Force compilation
> main()
>
> t1s = Array(Float64, 10)
> t2s = Array(Float64, 10)
> for i in 1:10
> t1, t2 = main()
> t1s[i], t2s[i] = t1, t2
> end
>
> mean(t1s ./ t2s)
>
> I don't see a reliable difference between the two when acquiring more data
> to make a comparison that tries to overcome noise in individual
> measurements.
>
> -- John
>
> On Mar 27, 2014, at 10:02 PM, Laszlo Hars <laszl...@gmail.com<javascript:>>
> wrote:
>
> > Yes, these timings are in the global scope, but I see the same speed
> differences inside a function.
>
>
