Author: Marcus Heidkamp
Date: 01:01:23 06/06/01
Go up one level in this thread
On June 05, 2001 at 14:20:35, Robert Hyatt wrote: >On June 05, 2001 at 11:59:58, Daniel Clausen wrote: > >>Hi >> >>On June 05, 2001 at 11:18:55, Robert Hyatt wrote: >>> >>>I'm not sure I follow here. Once he allocates buffers, they are needed until >>>the program terminates. It is a total waste of time to free things just before >>>you terminate as that causes the "free" stuff to be done _twice_. Once by >>>the C library to your virtual memory address space (for the free() calls) and >>>then once by the OS to mark the entire program's physical addresses as "free" >>>when it terminates... >> >>It's considered good practice to put the toys back on the shelf after playing >>with them. [as opposed to waiting for mom to do the job] >> >>Regards, >> >>Sargon > > >It isn't considered a good practice by me... unless you are going to free >things then run a while longer. But if you are going to free and immediately >exit, it is more efficient to just exit, for the reason I already gave. I think the discussion of right or wrong does not hit the point. If you feel confortable with not freeing up the memory then don't do it. On the other hand: freeing it up "twice" on program exit won't cost much performance. I just like to "put the toys back on the shelf after playing with them", as Daniel said. Marcus
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