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- Subject: Re: Question about Lua 5.1.3 and realloc() on life.lua
- From: "Bogdan Marinescu" <bogdan.marinescu@...>
- Date: Fri, 2 May 2008 18:18:39 +0300
You'd probably get higher fragmentation with first bit vs best fit,
but I think the comparison was against dlmalloc.
I only looked briefly at TLSF, but maybe I'll give it a try
eventually. Indeed, the first impression is that its memory overhead
is too much for a memory constrained system.
On Fri, May 2, 2008 at 6:10 PM, Ralph Hempel
<rhempel@hempeldesigngroup.com> wrote:
>
> Hmmm, I'd expect more fragmentation with first fit, but again, the
> typical usage of the application will determine which produces
> better results.
>
> What is the typical heap size you're using, and how "big" is dlmalloc
> on your system?
>
> I've looked at TLSF a few times but the memory overhead for the
> bitmap and extra code made it impractical. Now that I have some real
> applications, I can go back to see if the fragmentation wastes
> significantly more memory than TLSF uses to reduce fragmentation...
>
> Thanks for the extra pointers though - I enjoy reviewing
> what I've read in the past once in a while to be sure I'm
> stll going in the right direction.
>
> Ralph
>
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