Re: [Vala] Vala vs Mono performance benchmark project

["Andrés G. Aragoneses" <knocte gmail com>]

On 30/01/11 19:55, Aleksander Wabik wrote:
> Hi All,
>
> I've prepared a little benchmark measuring Vala object system
> performance ( http://gitorious.org/vala-object-benchmarks )
>
> - object creation and destruction
> - method, virtual method, interface method, signal, delegate, delegate
>    from a closure calling times
> - type checking
> - threading locks
>
> This benchmark is not intended to measure general performance (we have
> vala benchmarks in http://code.google.com/p/vala-benchmarks/ for this),
> but just to measure object system performance. From what I've seen:
>
> - type checking 2 times slower than in Mono
> - threading (locks) in vala beats mono easily - 19 seconds vs 50
>    seconds!!
> - object creation/destruction suck
> - setting/reading property or field beat Mono easily, but I think it's
>    the matter of compiler optimization; but in classes inheriting from
>    GObject setters are very expensive (due to issuing a signal)
> - calling methods, virtual methods, delegates, lambdas - vala beats
>    mono, but slightly
> - interface methods, signals - we really suck, and there's no excuse
>    for this. I guess that it can't be fixed in glib, but in dova...?
> - ref/unref - we really suck
> - weak ref/unref - we beat Mono easily, I guess that even if the
>    pointer assignment was not optimized out by a compiler we'd do this.
>    Mono is surprisingly bad at this.
>
> I guess that at least some of the vala performance drawbacks can be
> fixed in dova, as it's a total redesignment of the object system,
> true?
>
> If some of you would like to add some benchmarks / fix something in the
> existing ones, please do this, and have fun with the code that I made ;)
>
> best regards,


Hey Alex, any chance you could summarize your results in more concrete 
numbers? Something like:

- type checking:
Vala(default): +200%time(slower). Vala(dova): +50%time(slower).
- threading
Vala(default): -200%time(faster). Vala(dova): -250%time(faster).

Thanks.