Re: Finding out minimal allocation unit

[Robert A Duff <bobduff@shell01.TheWorld.com>]

Markus E Leypold
<development-2006-8ecbb5cc8aREMOVETHIS@ANDTHATm-e-leypold.de> writes:

> Stefan Bellon <sbellon@sbellon.de> writes:
>
>> Martin Krischik wrote:
>>
>>> So I believe the OP wanted to know how to find out how much memory
>>> for "new"ed object is allocated in total in order to know if extra 
>>> optimisation is needed.
>>
>> Exactly. :-)
>
>
> I'm only guessing, but here is my approach for GNAT: GNAT is AFAIK
> linked against libc (at least on Unix). On linux that is glibc, which
> provides methods to catch/trace malloc() requests. My suggestion is
> that you do that and look which sizes are actually requested from
> malloc(). 

That won't quite give the right answer, because malloc() adds a couple
of words or so to what was requested.

- Bob