From: Sohail Somani (s.somani_at_[hidden])
Date: 2006-06-12 14:12:45
Well if its contiguous, that's your problem. Likely it just can't allocate that much contiguous memory.
> -----Original Message-----
> From: boost-users-bounces_at_[hidden]
> [mailto:boost-users-bounces_at_[hidden]] On Behalf Of
> Ronald Garcia
> Sent: Monday, June 12, 2006 11:02 AM
> To: boost-users_at_[hidden]
> Subject: Re: [Boost-users] [boost.multi_array] Best use of memory
>
>
> Hello Sebastien,
>
> Ideally, you should be able to work with an array of doubles,
> rather than an array of pointers to double. I can create an
> multi_array with the dimensions you mention.
>
> To answer your questions, multi_array uses a standard library
> allocator to allocate a contiguous block of memory in which
> to hold the array data. I'm afraid I do not know why you
> cannot exceed these limits.
>
> ron
>
>
>
>
> I'm currently using multi_array to represent 3D
> matrices of doubles, I
> was wondering which would be the best use since the
> array has to hold a
> very large amount of data. I' currently testing whith a
> multi_array of
> 800x800x100 to hold double or pointers to double and I
> have memory
> problems. When I declare the multi_array whith pointers
> to doubles I can
> usually go up to 775x775x100 without problems but when
> I try the same
> thing with a multi_array of doubles I get a bad alloc
> error. My real
> needs for the moment are for a multi_array of
> 800x600x57 but I will need
> bigger storage capacity in the near future, what are
> your sugesstions.
>
> Is the multi_array a pointer itself?
> How is memory management handled?
> How can go beyond these limits?
>
>
>
>
> --
> Sébastien Fortier
>
>
>