Hey Walter,
Thanks for the explanation.
Now, what is faster and les expensive:
Using a GLOBAL Var or a STATIC Var from with in a function.
Function myVar(n)
STATIC myVar:={1,2,3,4,5}
RETURN myVar[n]
Patrick
On Sun, Nov 16, 2008 at 11:59 AM, Walter Negro <[EMAIL PROTECTED]> wrote:
> Patrick
>
> Patrick Mast, xHarbour. escribió:
>
>> Hi,
>>
>> In the "old" Clipper days we where told to NOT overuse PUBLIC or PRIVATE
>> variables because they consume lots of memory and are slow. How is this in
>> xHarbour? Is this still true?
>>
> The PUBLIC and PRIVATE vars share space in the symbol table. The max size
> in Clipper for this table is 64k, but in xHarbour the limit is 2Gb, then we
> can use PUBLIC and PRIVATE vars without problem.
>
>>
>> And, is a PUBLIC var more 'expensieve' than a PRIVATE var?
>>
> No. PRIVATE var is more "expensive" than PUBLIC, not in access but in
> creation and destruction.
> The PUBLIC vars are created once, but PRIVATE vars are created in each
> function.
> The PRIVATE vars need to be cleaned at the end of function.
>
>
>> Is it less 'expensive;' to have ONE public var with an array of lets say
>> 100 elements or 100 separate public var's?
>>
> Access to array is more "expensive" than access to PUBLIC or PRIVATE var.
> Access to PUBLIC var use two PCODE.
> Access to array in PUBLIC var use four PCODE.
>
>
>> Thanks!
>>
>> Patrick
>>
>>
>
> Walter Negro
>
>
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