Re: GSoC: Add SMT/HT awareness to DragonFlyBSD scheduler

[Mihai Carabas <mihai.carabas@xxxxxxxxx>]

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

> On Wed, Jun 20, 2012 at 12:20 PM, Mihai Carabas <mihai.carabas@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 now used the tmpfs (I copied the sources on a tmpfs and compiled there)
and the results are the same. It seems that all processes aren't so CPU
intensive...they run for a very short period of time.

Mihai

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On Fri, Jun 29, 2012 at 3:30 PM, McLone=A0<span dir=3D"ltr">&lt;<a href=3D"=
mailto:mclone@gmail.com"; target=3D"_blank">mclone@gmail.com</a>&gt;</span>=
=A0wrote:<br><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px =
0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-=
style:solid;padding-left:1ex">
<div class=3D"im">On Wed, Jun 20, 2012 at 12:20 PM, Mihai Carabas &lt;<a hr=
ef=3D"mailto:mihai.carabas@gmail.com";>mihai.carabas@gmail.com</a>&gt; wrote=
:<br>&gt; As you can see, the differencess for building apache are small (~=
1,5sec =3D<br>
&gt; 5%). This is because a building process isn&#39;t so CPU hungry, it of=
ten waits<br>&gt; 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><div><br></div><div>I now used the tmpfs (I copied the sources=
 on a tmpfs and compiled there) and the results are the same. It seems that=
 all processes aren&#39;t so CPU intensive...they run for a very short peri=
od of time.</div>
<div><br></div><div>Mihai</div>

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