Re: ptmalloc2

[David Xu <davidxu@xxxxxxxx>]

David Rhodus wrote:
> On Thu, 17 Feb 2005 15:03:35 -0500, Pedro F. Giffuni <giffunip@xxxxxxxx> wrote:
>
> > Hi;
> >
> > JIC you are not following freebsd-hackers, there was an interesting
> > discussion about the linux thread-aware malloc that is under a BSD
> > license. This link comes from an older thread:
> >
> > http://docs.freebsd.org/cgi/mid.cgi?420BB1FF.11156.68F6CEC
> >
> > It does look interesting (at least for SMP), but it looks like some
> > kernel support will be required.
> >
> > cheers,
> >
> >     Pedro.
>
>
> I think Greg Lehey recently did some benchmarks that showed PHK malloc
> greatly out performs ptmalloc.
phkmalloc is slow when allocating large space, I ever tried to allocate
512M in a single malloc() call on AMD64, and it cames up to several
seconds to complete the request.

David Xu