memory allocation

[byleth]

Hi,


If i have a global hash %GLOBAL of strings like this:

(
1 => "str1",
2 => "str2",
.
.
.
)

the strN may have about 15000 bytes...

if i delete one position of the hash, the memory allocated to that string will be freed?

or should i do something like:

1) delete position from %HASH
2) copy %HASH to %TEMP
3) redeclare %HASH or undefine it
4) copy %TEMP to %HASH
5) undefine %TEMP


thanks

 

[MikeLacey]

Byleth,

As I understand it - deleting an element of a hash does not free the memory used by that element. So, if you're going to do that repeatedly you may want to go through the steps you mention.

I think you can do just this though:

delete %hash element
%temp = %hash;
%hash = %temp;
undef %temp;

As I said, unless you're going to be deleting elements repeatedly the copy operations are probably going to be more expensive than the wasted memory.

Mike

"Deliver me from the bane of civilised life; teddy bear envy."

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