Re: jemalloc?

["Vlad Galu" <dudu@xxxxxxx>]

On 12/12/06, Justin C. Sherrill <justin@shiningsilence.com> wrote:
> On Tue, December 12, 2006 10:21 am, Joerg Sonnenberger wrote:
> > On Tue, Dec 12, 2006 at 04:31:04PM +0200, Vlad Galu wrote:
> >>   I've compiled $subj as a shared library that I preload when using
> >> some test programs and it's been behaving nicely. Are there any plans
> >> to import it? phkmalloc is painfully slow when freeing numerous small
> >> objects.
> >
> > Not for me. phkmalloc has the nice propery of being tight on space
> > usage, which is important in some area. It could be done better, but
> > most applications with very special performance needs have specialised
> > mallocs anyway, so I don't care that much.
>
> Is there a way to measure the space usage difference?  We have hard
> jemalloc numbers that show a benefit, and I'd like to quantify any
> counter-arguments.

  It looks like the extra spage usage was fixed by Jason Evans around
March. The Google link provided by Freddie Cash pretty much covers
every info you needed. I can perform further benchmarks if needed. But
I think I'll not do it, given the reluctance on the list. I'm
certainly not the best judge for this level of technical detail.


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