On Tue, Apr 26, 2011 at 10:09 PM, Amit Kulkarni wrote:
> What do you guys think if the page size is dynamically adjusted to the
> datasize of FFS1 i.e when I fire up disklabel it is by default 16Kb
> on FFS1 on amd64. And higher on FFS2 only systems?
Implement it. Let us know the numbers.
//art
On Thu, Apr 28, 2011 at 11:12:40AM +0200, Otto Moerbeek wrote:
> > On Tue, Apr 26, 2011 at 09:13:47PM +0200, Otto Moerbeek wrote:
> >
> > Second version of diff. This is a conservative one, i.e. it does not
> > change randomization in any way. The diff achieves a speedup by:
> >
> > - Move from l
> On Tue, Apr 26, 2011 at 09:13:47PM +0200, Otto Moerbeek wrote:
>
> Second version of diff. This is a conservative one, i.e. it does not
> change randomization in any way. The diff achieves a speedup by:
>
> - Move from long units to short, making the test for a complete non-free
> unit more eff
On Tue, Apr 26, 2011 at 09:13:47PM +0200, Otto Moerbeek wrote:
> On Tue, Apr 26, 2011 at 10:09:23AM -0400, Ted Unangst wrote:
>
> > On Tue, Apr 26, 2011 at 9:33 AM, Otto Moerbeek wrote:
> > > This diff implements a tradeoff to gain speed at the cost of reducing
> > > the randomness of chunk allo
> > > This diff implements a tradeoff to gain speed at the cost of reducing
> > > the randomness of chunk allocation in malloc slightly.
> > >
> > > The idea is only to randomize the first half of chunks in a page. The
> > > second half of chunks will fill in the gaps in-order. The
> > > effectiven
On Tue, Apr 26, 2011 at 03:09:57PM -0500, Amit Kulkarni wrote:
> > > > This diff implements a tradeoff to gain speed at the cost of reducing
> > > > the randomness of chunk allocation in malloc slightly.
> > > >
> > > > The idea is only to randomize the first half of chunks in a page. The
> > > >
On Tue, Apr 26, 2011 at 10:09:23AM -0400, Ted Unangst wrote:
> On Tue, Apr 26, 2011 at 9:33 AM, Otto Moerbeek wrote:
> > This diff implements a tradeoff to gain speed at the cost of reducing
> > the randomness of chunk allocation in malloc slightly.
> >
> > The idea is only to randomize the first
On Tue, Apr 26, 2011 at 9:33 AM, Otto Moerbeek wrote:
> This diff implements a tradeoff to gain speed at the cost of reducing
> the randomness of chunk allocation in malloc slightly.
>
> The idea is only to randomize the first half of chunks in a page. The
> second half of chunks will fill in the
Hi,
This diff implements a tradeoff to gain speed at the cost of reducing
the randomness of chunk allocation in malloc slightly.
The idea is only to randomize the first half of chunks in a page. The
second half of chunks will fill in the gaps in-order. The
effectiveness of the current randomizat
