Re: 2.4.8-pre1 and dbench -20% throughput

Hugh Dickins
2001-07-29T21:51:21Z

On Sun, 29 Jul 2001, Daniel Phillips wrote:
>
> "Age" is hugely misleading, I think everybody agrees, but we are still
> in a stable series, and a global name change would just make it harder
> to apply patches.

There are very few places where "age" comes in. Not my call,
but I doubt we're so frozen as to have to stick with that name.

> That said, I think BSD uses "weight". It's not a lot better, but at
> least you know that the more heaviliy weighted page is one with the
> higher weight value, whereas we have "age up" meaning "make younger" :-/
>
> And how can age go up and down anyway? I'd prefer to talk about
> ->temperature, more in line with what we see in the literature.
>
> But then, it's so easy to talk about "aging", what would it be with
> ->temperature: Heating? Cooling? Stirring? ;-)

That's much _much_ better: I'd go for "warmth" myself, warm_page_up()
and cool_page_down(). I particularly like the ambiguity, that a warmer
page may be a more recently used page or a more frequently used page.

Hugh