From: Samuel Thibault <samuel.thibault@ens-lyon.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: mingo@elte.hu, linux-kernel@vger.kernel.org,
Suresh Siddha <suresh.b.siddha@intel.com>,
Venkatesh Pallipadi <venki@google.com>,
Srivatsa Vaddagiri <vatsa@in.ibm.com>,
Paul Turner <pjt@google.com>, Mike Galbraith <efault@gmx.de>,
Andreas Herrmann <andreas.herrmann3@amd.com>,
Heiko Carstens <heiko.carstens@de.ibm.com>
Subject: Re: "Cache" sched domains
Date: Thu, 16 Jun 2011 15:20:32 +0200 [thread overview]
Message-ID: <20110616132032.GO5583@const.bordeaux.inria.fr> (raw)
In-Reply-To: <1308227242.13240.56.camel@twins>
Hello,
Peter Zijlstra, le Thu 16 Jun 2011 14:27:22 +0200, a écrit :
> On Thu, 2011-06-16 at 14:11 +0200, Samuel Thibault wrote:
> > ┌──────────────────────────────────────────────────────────────────┐
> > │Socket P#1 │
> > │┌────────────────────────────────────────────────────────────────┐│
> > ││L3 (16MB) ││
> > │└────────────────────────────────────────────────────────────────┘│
> > │┌────────────────────┐┌────────────────────┐┌────────────────────┐│
> > ││L2 (3072KB) ││L2 (3072KB) ││L2 (3072KB) ││
> > │└────────────────────┘└────────────────────┘└────────────────────┘│
> > │┌─────────┐┌─────────┐┌─────────┐┌─────────┐┌─────────┐┌─────────┐│
> > ││L1 (32KB)││L1 (32KB)││L1 (32KB)││L1 (32KB)││L1 (32KB)││L1 (32KB)││
> > │└─────────┘└─────────┘└─────────┘└─────────┘└─────────┘└─────────┘│
> > │┌─────────┐┌─────────┐┌─────────┐┌─────────┐┌─────────┐┌─────────┐│
> > ││Core P#0 ││Core P#1 ││Core P#2 ││Core P#3 ││Core P#4 ││Core P#5 ││
> > ││┌───────┐││┌───────┐││┌───────┐││┌───────┐││┌───────┐││┌───────┐││
> > │││PU P#0 ││││PU P#4 ││││PU P#8 ││││PU P#12││││PU P#16││││PU P#20│││
> > ││└───────┘││└───────┘││└───────┘││└───────┘││└───────┘││└───────┘││
> > │└─────────┘└─────────┘└─────────┘└─────────┘└─────────┘└─────────┘│
> > └──────────────────────────────────────────────────────────────────┘
>
> Pretty, bonus points for effort there.
Well, that's all hwloc's credit :)
> So the current goal is to change sched_domain_topology to not be such a
> silly hard coded list of domains, but build that thing dynamically based
> on the system topology and set all the SD_flags correctly.
Ok, great!
> If that is something you're willing to work on, that'd be totally
> awesome.
I'm afraid I do not have time to spend on this.
Samuel
prev parent reply other threads:[~2011-06-16 13:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-16 12:11 Samuel Thibault
2011-06-16 12:27 ` Peter Zijlstra
2011-06-16 13:20 ` Samuel Thibault [this message]
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