thread aware malloc

[Niall Douglas]

On 14 Apr 2005 at 7:13, David Xu wrote:

> >I've already ported ptmalloc2 to FreeBSD. The performance increase is
> > steller to put it mildly, even with FreeBSD's poor multithreading
> >performance. You're talking ten or more times faster in heavily
> >multithreaded code :)
>
> Poor multithreading performance? I don't know what library you are
> talking about. I admit that malloc/free is the main bottleneck in
> userland, a SMP-aware and CPU locality allocator is welcome.

KSE threads, FreeBSD v5.3. It's a mixture of process and system 
threads. As I mentioned in a previous post, it's eight times slower 
than Linux. See http://www.nedprod.com/Tn/ (scroll down to the 
screenshots).

Cheers,
Niall