RE: [Dev-C++] dynamic or stack allocation ...

[Ioannis V. <iv...@em...>]

> -----Original Message-----
> From: dev...@li... 
> [mailto:dev...@li...] On Behalf 
> Of Khalid El-Kary
> Sent: Thursday, April 03, 2003 4:05 AM
> To: Dev...@li...
> Subject: [Dev-C++] dynamic or stack allocation ...
> 
> 
> Hi fellows,
> 
> right now i know that memory in the stack gets allocated for 
> once during the 
> start-up of the programm,


Not only.


> and dynamically allocated memory 
> gets allocated 
> while the programm is running.
> 
> stack memory is faster at execution.


In creation/destruction.


> dynamic memory is slower (the time consumed by malloc/free)


The time cost is not to be taken under consideration in nowadays ordinary
systems (that is everything else than a microcontroller).


> 
> but ...
> 
> I want to know when exactly should i use stack memory and 
> when exactly 
> should i use dynamic memory ?


Stack memory is very limited (typicaly 64 kb total available for a DOS
program). The rest of memory can be seen as free store.



Ioannis Vranos
 
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