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We are did try to use dlmalloc to replace the regular malloc but it 
didn't seem to make much difference...well other than the fact we are 
probably doing something wrong anyway ;-)>

I also found out(not sure if the info that valid) that the dlmalloc 
is the same one used by in linux anyways so it seemed kinda silly to 
replace it.

--- In lua-l@y..., Luiz Henrique de Figueiredo <lhf@t...> wrote:
> >I think a lot of fragmentation problems are down to the allocation
> >algorithm. There is some useful info here and I think this 
> >looks pretty good. I think I pulled it off this list a while ago. 
> >fast and should be good for a scripting system allocating and
> >deallocating little blocks of similar sizes.
> >
> We'd be very interested in knowing whether simply replacing the 
system malloc
> and friends by dlmalloc (the one at the URL above) helps. It's 
difficult for
> us to test memory allocation pattern in typical, real-life cases. 
So, someone
> with memory fragmentation problems or suspicion of such, could you 
please try
> dlmalloc and see if makes any difference? Please report here. 
> Another thing: Lua typically does not deallocating little blocks of 
> sizes: strings and userdata allocated their "data" arrays right 
after the
> "header" part.
> --lhf