GSoC: Add SMT/HT awareness to DragonFlyBSD scheduler

Mihai Carabas mihai.carabas at gmail.com
Fri Jun 29 05:44:18 PDT 2012


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Hi McLone,

On Fri, Jun 29, 2012 at 3:30 PM, McLone <mclone at gmail.com> wrote:

> On Wed, Jun 20, 2012 at 12:20 PM, Mihai Carabas <mihai.carabas at gmail.com>
> wrote:
> > As you can see, the differencess for building apache are small (~1,5sec =
> > 5%). This is because a building process isn't so CPU hungry, it often
> waits
> > for I/O.
> Even if you use some kind of RAM FS for src and obj?
> Even if you first read its src for blocks to be cached?
>
I didn't try with a RAM FS. I will note this.

The runs were done multiple times...so if I read src first or run multiple
times, isn't the same thing?

Mihai

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Hi McLone,<br><br><div>On Fri, Jun 29, 2012 at 3:30 PM, McLone <span dir=3D=
"ltr"><<a href=3D"mailto:mclone at gmail.com" target=3D"_blank">mclone at gmai=
l.com</a>></span> wrote:<br><div class=3D"gmail_quote"><blockquote class=
=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padd=
ing-left:1ex">
<div class=3D"im">On Wed, Jun 20, 2012 at 12:20 PM, Mihai Carabas <<a hr=
ef=3D"mailto:mihai.carabas at gmail.com">mihai.carabas at gmail.com</a>> wrote=
:<br>
> As you can see, the differencess for building apache are small (~1,5se=
c =3D<br>
> 5%). This is because a building process isn't so CPU hungry, it of=
ten waits<br>
> for I/O.<br>
</div>Even if you use some kind of RAM FS for src and obj?<br>
Even if you first read its src for blocks to be cached?<br></blockquote><di=
v>I didn't try with a RAM FS. I will note this.</div><div><br></div><di=
v>The runs were done multiple times...so if I read src first or run multipl=
e times, isn't the same thing?=A0</div>
<div><br></div><div>Mihai</div></div></div>

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