[Fluxus] obj loading speed

[Dave Griffiths]

Hi Gabor,

In that case, a quick fix might be to save out the primitives from
fluxus, as they should be quicker to load back in once processed this
way.

cheers,

dave

On Thu, 2010-01-14 at 15:56 +0100, gabor papp wrote:
> > A guess, but it could be the conversion of the indexes - obj files allow
> > separate indexes for normals, tex coords and vertices. OpenGL requires
> > one index for all of these (as far as I remember). 
> thanks. i think you are right. this is the annotated output of valgrind:
> 
> --------------------------------------------------------------------------------
>             Ir      I1mr   I2mr            Dr        D1mr    D2mr 
>    Dw      D1mw    D2mw 
> file:function--------------------------------------------------------------------------------
> 3,971,655,381         3      3       283,353      60,892   4,662 
> 104,398         0       0 
> libfluxus/src/OBJPrimitiveIO.cpp:Fluxus::OBJPrimitiveIO::UnifyIndices(std::vector<Fluxus::OBJPrimitiveIO::Indices, 
> std::allocator<Fluxus::OBJPrimitiveIO::Indices> > const&)
> 2,979,464,410         0      0 1,986,364,269 185,452,680  11,880 
>    0         0       0 
> libfluxus/src/OBJPrimitiveIO.h:Fluxus::OBJPrimitiveIO::UnifyIndices(std::vector<Fluxus::OBJPrimitiveIO::Indices, 
> std::allocator<Fluxus::OBJPrimitiveIO::Indices> > const&)
> 1,986,172,832         0      0   993,205,975 185,421,051       0 
>    0         0       0 
> libfluxus/src/OBJPrimitiveIO.h:Fluxus::OBJPrimitiveIO::RemoveDuplicateIndices()1,985,946,903 
>          3      3       193,875     103,074       0          6         0 
>        0 
> libfluxus/src/OBJPrimitiveIO.cpp:Fluxus::OBJPrimitiveIO::RemoveDuplicateIndices() 
>   993,082,716         0      0       133,233      10,506       0 
> 133,233    13,531   2,302  /usr/lib/gcc/i386-redhat-linux/4.3.
> 2/../../../../include/c++/4.3.2/ext/new_allocator.h:Fluxus::OBJPrimitiveIO::RemoveDuplicateIndices()
> 
> gabor
>