From: Andi Kleen <andi@firstfloor.org>
To: Robin Holt <holt@sgi.com>
Cc: Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org,
Linus Torvalds <torvalds@linux-foundation.org>,
Adrian Bunk <bunk@kernel.org>,
Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>,
Jack Steiner <steiner@sgi.com>
Subject: Re: Do we need to call calibrate_delay() for all cores/hyperthreads on a socket?
Date: Fri, 3 Dec 2010 16:41:09 +0100 [thread overview]
Message-ID: <20101203154109.GC8800@basil.fritz.box> (raw)
In-Reply-To: <20101203150928.GG3344@sgi.com>
> If, on the other hand, we do it per core, it ends up only reducing boot
> time by 121 seconds. An improvement for sure, but not good enough to
> make me really happy ;).
If you parallelize it you can be even faster.
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
prev parent reply other threads:[~2010-12-03 15:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-03 6:52 Do we need to call calibrate_delay() for all cores/hyperthreads on a socket? Robin Holt
2010-12-03 9:36 ` Andi Kleen
2010-12-03 15:09 ` Robin Holt
2010-12-03 15:41 ` Andi Kleen [this message]
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