[Shootout-list] Ray tracer

[José Bollo]

Le lundi 13 Juin 2005 01:15, Jon Harrop a écrit :
> I've just been playing around with my ray tracer and have updated the C++
> vs OCaml comparison page:
>
>   http://www.ffconsultancy.com/free/ray_tracer/comparison.html
>
> and have added a C++ vs SML comparison page:
>
>   http://www.ffconsultancy.com/free/ray_tracer/comparison_cpp_vs_sml.html
>
> I've noticed that gcc 4.0 produces substantially slower code than gcc 3.4
> on this benchmark (on both x86 and AMD64) so I'm wondering if the switch =
to
> 4.0 isn't too early? Have other benchmarks improved?

very interesting

> I'm not sure why the ray tracer has been marked as "closed" given that ma=
ny
> implementations remain to be added (mlton, java, gcj, smlnj, ocamlc and
> g95).

i presume that you dislike other languages

I have a question of detail: 

	I see in the C++ listing that you desallocate the memory. 
	It is not needed before exiting.
	But is it a shootout rule to desallocate?
	What would be the comparison without desallocating?

> Assuming the optimised versions will be uploaded at some point, I think it
> would be useful for people to have a reference to the original C++ and
> OCaml implementations on my webpage (the first link in this post).
>
> I'm keen to see the Mlton implementation make it onto the shootout because
> it is by far the fastest on my computer.