From: Ingo Molnar <mingo@elte.hu>
To: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
Cc: Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@osdl.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [patch 1/5] sched: remove degenerate domains
Date: Wed, 6 Apr 2005 09:13:41 +0200 [thread overview]
Message-ID: <20050406071341.GA7517@elte.hu> (raw)
In-Reply-To: <20050406001041.A24403@unix-os.sc.intel.com>
* Siddha, Suresh B <suresh.b.siddha@intel.com> wrote:
> Similarly I am working on adding a new core domain for dual-core
> systems! All these domains are unnecessary and cause performance
> isssues on non Multi-threading/Multi-core capable cpus! Agreed that
> performance impact will be minor but still...
ok, lets keep it then. It may in fact simplify the domain setup code: we
could generate the 'most generic' layout for a given arch all the time,
and then optimize it automatically. I.e. in theory we could have just a
single domain-setup routine, which would e.g. generate the NUMA domains
on SMP too, which would then be optimized away.
Ingo
next prev parent reply other threads:[~2005-04-06 7:14 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-05 23:44 [patch 1/5] sched: remove degenerate domains Nick Piggin
2005-04-05 23:45 ` [patch 2/5] sched: NULL domains Nick Piggin
2005-04-05 23:46 ` [patch 3/5] sched: multilevel sbe and sbf Nick Piggin
2005-04-05 23:47 ` [patch 4/5] sched: RCU sched domains Nick Piggin
2005-04-05 23:49 ` [patch 5/5] sched: consolidate sbe sbf Nick Piggin
2005-04-06 6:27 ` Ingo Molnar
2005-04-06 8:09 ` Nick Piggin
2005-04-06 8:16 ` Nick Piggin
2005-04-07 7:17 ` Ingo Molnar
2005-04-07 7:15 ` Ingo Molnar
2005-04-06 6:18 ` [patch 4/5] sched: RCU sched domains Ingo Molnar
2005-04-06 8:01 ` Nick Piggin
2005-04-07 7:11 ` Ingo Molnar
2005-04-07 7:58 ` Nick Piggin
2005-04-11 22:15 ` Paul E. McKenney
2005-04-12 0:03 ` Nick Piggin
2005-04-06 5:54 ` [patch 3/5] sched: multilevel sbe and sbf Ingo Molnar
2005-04-06 7:53 ` Nick Piggin
2005-04-06 5:45 ` [patch 2/5] sched: NULL domains Ingo Molnar
2005-04-06 5:48 ` Ingo Molnar
2005-04-06 7:51 ` Nick Piggin
2005-04-06 5:44 ` [patch 1/5] sched: remove degenerate domains Ingo Molnar
2005-04-06 7:10 ` Siddha, Suresh B
2005-04-06 7:13 ` Ingo Molnar [this message]
2005-04-06 8:12 ` Nick Piggin
2005-04-06 7:49 ` Nick Piggin
2005-04-07 7:00 ` Ingo Molnar
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