Subj : Re: speed-up critical regions
To   : comp.programming.threads
From : Phil Frisbie, Jr.
Date : Wed Jun 15 2005 10:45 pm

amorox@gmail.com wrote:

> Hi,
> 
> Thanks for your answer.
> 
> I'll try to explain more about my problem.
> 
> I need the critical region to protect an alloc function.
> 
> I have something very similar with what Glibc is using to implement the
> malloc function. You have arenas where your memory requests can be
> hosted, but you need to lock the arena before using a part of it. Once
> locked, you just need to make some cheap operations in the arena (since
> the memory space was  allocated before in chunks) and return the
> demanded amount of memory.

Sounds like you could use The Hoard Multiprocessor Memory Allocator. 
http://www.hoard.org/

Or, if you want to 'roll your own' implementation, I would suggest using thread 
local storage to allocate each thread a pool of memory so there will not be ANY 
locks needed!

-- 
Phil Frisbie, Jr.
Hawk Software
http://www.hawksoft.com

.