[Paraview] PV and the STL: memory allocation issue

[Paul Edwards]

I think there is another problem with your code and it just fails in that
place - you are probably overwriting memory somewhere.  By having a
vector<vector<vector<double> > > > and then just allocating the first to
size of x*y, you will result in a vector or length x*y each containing empty
vector<vector<double> >'s.  Are you sure this is what you want? (if that
makes sense)
If you post the code I will look.

Regards,
Paul

2009/9/17 Fred Fred <stan1313 at hotmail.fr>

>  Yes this is exactly the line of code that fails, I put printf();getchar();
> items before and after (sorry I do not use a debugger).
> Ok I may send the code but I doubt it could help because, this line is
> clear and I checked the argument (=100), so what?
>
> ------------------------------
> Date: Thu, 17 Sep 2009 16:34:29 +0100
> Subject: Re: [Paraview] PV and the STL: memory allocation issue
> From: paul.m.edwards at gmail.com
> To: stan1313 at hotmail.fr
> CC: berk.geveci at kitware.com; paraview at paraview.org
>
>
> Are you running this through a debugger?  And, is that the line that it is
> failing on?  Finally, can you post the PV code that is failing?
>
> Regards,
> Paul
>
>
> 2009/9/17 Fred Fred <stan1313 at hotmail.fr>
>
>  Hmmm, doubtful since in my test this->grid_xsize == this->grid_ysize == 10
> !!
>
> > Date: Thu, 17 Sep 2009 08:11:43 -0400
> > Subject: Re: [Paraview] PV and the STL: memory allocation issue
> > From: berk.geveci at kitware.com
> > To: stan1313 at hotmail.fr
> > CC: paraview at paraview.org
>
> >
> > In all likelihood, the allocation is failing because the process is
> > unable to allocate the memory you ask it to. I am not surprised that
> > this happens in ParaView not in VTK because ParaView tends to
> > allocate a fair number of small objects probably segmenting the memory
> > somewhat. Did you try a 64 bit ParaView?
> >
> > On Wed, Sep 16, 2009 at 11:16 AM, Fred Fred <stan1313 at hotmail.fr> wrote:
> > > I use the STL through vtkstd:
> > >
> > >   vtkstd::vector<vtkstd::vector<vtkstd::vector<double> > > grid;
> > >   [...]
> > >   this->grid.clear();
> > >   this->grid = vtkstd::vector<vtkstd::vector<vtkstd::vector<double> >
> > >>(this->grid_xsize*this->grid_ysize);
> > >
> > > It works well on VTK but on PV I can this error at run time:
> > >
> > >   terminate called after throwing an instance of 'std::bad_alloc'
> > >   what():  St9bad_alloc
> > >
> > > If I change the initialization line by:
> > >
> > >   this->grid.resize(this->grid_xsize*this->grid_ysize);
> > >
> > > I get another message:
> > >
> > >   terminate called after throwing an instance of 'std::length_error'
> > >   what():  vector::_M_fill_insert
> > >
> > > which means that the memory allocation by the vtkstl library crashes.
> > > Does anybody know about this issue?
> > >
> > >
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