Re: Rik`s ac12-pmap2 vs ac12-vanilla perfcomp

[Samium Gromoff]

  Daniel Phillips wrote:
> > One thing that goes away with rmaps is the need to scan process page tables.
> It's possible that this takes enough load off L1 cache to produce the effects
    I feel like that. 
    actually there was a fear that the overhead of reverse map maintenance
 will overthrow the gain on low loads, but in my case this isnt an issue.
> you showed, though it would be surprising.
> 
> (Note that I'm in the "reverse maps are good" camp, and I think Rik's design 
> is fundamentally correct.)
    me too...
> 
> --
> Daniel
>