Subj : Re: speed-up critical regions
To   : comp.programming.threads
From : amorox
Date : Thu Jun 16 2005 03:28 am



David Schwartz wrote:
> <amorox@gmail.com> wrote in message
> news:1118873412.659131.122870@g14g2000cwa.googlegroups.com...
>
> > I thought about using 'local' pools for each thread.
>
> > Unfortunatelly this is not solving the problem. The locks are still
> > needed.
>
> > An object could be visible over multiple threads. So, while Thread A
> > may ask for a new object, Thread B may ask for destroying an object was
> > created by Thread A. Both are acting on the internal structure of the
> > same pool (owned by Thread A), so you need to lock the alloc function
> > against the destroy function.
>
>     Just return the object to thread B's allocator. You may need to balance
> the allocators though, which is kind of a PITA.

Sorry, but I don't understand your point of view. Would you explain
more?

Ragards,
Ovidiu

> 
>     DS

.