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Topic: Problem with memory usage (R2009a)
Replies: 11   Last Post: Oct 21, 2009 10:20 AM

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Outspan

Posts: 17
Registered: 7/14/09
Re: Problem with memory usage (R2009a)
Posted: Oct 21, 2009 7:49 AM
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On Oct 21, 1:10 pm, "Bruno Luong" <b.lu...@fogale.findmycountry>
wrote:
> Outspan <borghibor...@gmail.com> wrote in message <3685c1d5-be81-4845-bcf2-90ad72037...@p20g2000vbl.googlegroups.com>...
>

> > even though every single field of the struct is only 8 bytes in size.
> > I hope that in its internal representation it's not replicating the
> > field names 500K times...

>
> No, the internal fieldnames is not duplicated, other internal "things" (matlab mxArray like) do.
>
> Drop using array of struct if you want to save memory and speed.
>
> Bruno


So I should use a matrix instead? Obviously that's going to save
space, but the code is going to get ugly if I ever have to load
different kinds of data for the same record. I just don't understand
why structs have to take up that much space.



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