Re: [ANN] luabind 0.9-rc1

2009/12/10 Daniel Wallin <[email protected]>

> liam mail wrote:
> > Daniel would you mind sharing your speed tests which you have previously
> > claimed were on par with Swig as I am not seeing the speeds you are
> talking
> > about.
>
> I will, but my benchmark suite currently isn't usable outside my
> development environment. I will try to make time to fix it up, and when
> I have I will publish the code.
>
> Thanks that would be good.


> > In this releases notes you say "Major optimizations. For example, calling
> > member functions should be close to twice as fast."
> > Luabind 9.0rc1 tests http://pastebin.com/f72880a97
> > Luabind 8.1 tests http://code.google.com/p/oolua/wiki/Speed_comparisons
> >
> > Now I know Luabind can do more than OOLua and I would like to have
> results
> > which are fair, so if there is anything which you think I should be doing
> in
> > the tests or more defines to speed it up please do inform me.
>
> Which compiler are you using for this? I just tried you benchmark, after
> some fiddling to make it build, and while my results match yours for
> 0.8.1, for 0.9 they are completely different:
>
> Fiddling? I have built this using gcc on many flavours of linux, yet I
would be very grateful if you could inform me of any changes you had to
make.


> > OOLua access (average elapsed time):  0.698
> > OOLua passing derived to a function that wants a base  (average elapsed
> time):        0.719
> > OOLua passing derived with multiple bases to a function that wants a base
>  (average elapsed time):    0.747
> > OOLua virtual function  (average elapsed time):       0.338
> > OOLua pure virtual function  (average elapsed time):  0.341
> > OOLua - Lua function which takes a base and calls a virtual function
> (average elapsed time): 0.309
> > Swig access (average elapsed time):   1.582
> > Swig passing derived to a function that wants a base  (average elapsed
> time): 0.797
> > Swig passing derived with multiple bases to a function that wants a base
>  (average elapsed time):     0.835
> > Swig virtual function  (average elapsed time):        0.747
> > Swig pure virtual function  (average elapsed time):   0.755
> > Swig - Lua function which takes a base and calls a virtual function
> (average elapsed time): 0.74
> > Luabind access (average elapsed time):        1.089
> > Luabind passing derived to a function that wants a base  (average elapsed
> time):      0.659
> > Luabind passing derived with multiple bases to a function that wants a
> base (average elapsed time):   0.673
> > Luabind virtual function  (average elapsed time):     0.515
> > Luabind pure virtual function  (average elapsed time):        0.517
> > Luabind - Lua function which takes a base and calls a virtual function
> (average elapsed time): 0.502
>
> This is with:
>
>  gcc version 4.3.3 (Ubuntu 4.3.3-5ubuntu4)
>
> --
>
Yes that is vastly different, I will the check the new rc which a couple of
OS's I have here. The results I posted where from Visual Studio 9 sp1.

Liam

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