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From: Rosario19 <Ros@invalid.invalid>
Newsgroups: comp.lang.c
Subject: Re: realloc() - frequency, conditions, or experiences about relocation?
Date: Tue, 18 Jun 2024 11:50:48 +0200
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On Mon, 17 Jun 2024 08:08:07 +0200, Janis Papanagnou
<janis_papanagnou+ng@hotmail.com> wrote:

>In a recent thread realloc() was a substantial part of the discussion.
>"Occasionally" the increased data storage will be relocated along
>with the previously stored data. On huge data sets that might be a
>performance factor. Is there any experience or are there any concrete
>factors about the conditions when this relocation happens? - I could
>imagine that it's no issue as long as you're in some kB buffer range,
>but if, say, we're using realloc() to substantially increase buffers
>often it might be an issue to consider. It would be good to get some
>feeling about that internal.
>
>Janis

the only problem i see it is the memory that is free is the first has
to be used, or be returned from malloc or realloc, because that memory
is already in a good position near the cpu