Thanks, I'll try it.
Cheers Gustavo
On Jul 14, 10:42 pm, Simon King <simon.k...@uni-jena.de> wrote:
> Hi Gustavo!
>
> On 15 Jul., 03:17, Gustavo Rama <gdr...@gmail.com> wrote:
>
> > But how con you get the time of execution in a variable?
>
> Using cputime or walltime: No problem, since they return a number.
>
> Using timeit:
>
> Remember that you could obtain a timing doing
> sage: timeit('f=factorial(400).factor()')
> 625 loops, best of 3: 955 µs per loop
>
> In order to assign the result of the timing to a variable, do
>
> sage: T = timeit.eval('f=factorial(400).factor()')
>
> Then, the necessary information is contained in the attribute 'stats'
> of T:
>
> sage: T.stats
> (625, 3, 3, 953.62396240234375, '\xc2\xb5s')
>
> So, the first entry gives the number of loops, the second the number
> of runs, the third I don't understand, the fourth gives the
> computation time, with units given by the last entry. Anyway:
>
> sage: print "%d loops, best of %d: %.*g %s per loop" % T.stats
> 625 loops, best of 3: 954 µs per loop
>
> Note that this only gives the walltime. Note also that it is not so
> nice to compare different timings: It might be that one timing
> measures the time in microseconds and the other in milliseconds - IMHO
> this is an oddity.
>
> Cheers,
> Simon
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