Le 11/10/2014 02:31, T Lee Davidson a écrit :
> I've been looking at Lazarus lately due to its cross-platform compile
> ability. So...
>
> Just for fun I took the Polynom benchmark program from
> gambaswiki.org/wiki/doc/benchmark and converted it to Free Pascal; then
> compiled it with the Free Pascal Compiler ('fpc').
>
> Much to my surprise, the *pre-compiled* Pascal program ran twice as slow
> as the Gambas program that was compiled on-the-fly:
>
> `time gbs3 -f -c polynom.gambas`
> 1250000
> 1250000
> 1250000
> 1250000
> 1250000
> 1250000
> 1250000
> 1250000
> 1250000
> 1250000
>
> real 0m17.904s
> user 0m9.603s
> sys 0m0.052s
>
>
> Pre-compiled FP executable:
> `time ./polynom`
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
> 1.25000000000000E+006
>
> real 0m35.247s
> user 0m20.936s
> sys 0m0.032s
>
>
> Maybe it's just me, but I think that's impressive. Go Gambas!
>
> (Now if only we could target Mono ...)
>
> :-)
> Lee
>
If the Pascal program does not print the same thing as the Gambas
program, then the Pascal program is wrong. Apparently, it uses floating
point numbers instead of integers, which could explain why it is slower.
Regards,
--
Benoît Minisini
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