From: Mulyadi Santosa <mulyadi.santosa@gmail.com>
To: "Lê Đức Tài" <letai_dhqg@yahoo.com.vn>
Cc: "qemu-devel@nongnu.orgDevelopers" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Qemu performance
Date: Wed, 29 Jun 2011 17:27:20 +0700 [thread overview]
Message-ID: <BANLkTik88oKbObewhFnx7-eTVmGtwCnmew@mail.gmail.com> (raw)
In-Reply-To: <1309333045.40815.YahooMailRC@web77917.mail.sg1.yahoo.com>
Hi... :)
2011/6/29 Lê Đức Tài <letai_dhqg@yahoo.com.vn>:
> Hi,
> I have a question about performance of Qemu for powerpc.
> When I'm changing the CPU clock for taihu board from 33Mhz to 330Mhz by
> setting the PLL value, the performance of Guest OS is not increased. I use
> nbench to measure the guest performance.
> Is qemu always running as maximum performance?
Yes...
Logically, nbench is just pressing out all of your processor can do
(CPU bound tasks). In this case, emulated guest processor clock has
very little meaning IMO. After all, AFAIK it's just a complimentary
info so it is seen as "real processor".
--
regards,
Mulyadi Santosa
Freelance Linux trainer and consultant
blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com
next prev parent reply other threads:[~2011-06-29 10:28 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-29 7:37 [Qemu-devel] Qemu performance Lê Đức Tài
2011-06-29 10:27 ` Mulyadi Santosa [this message]
2011-06-30 2:11 ` [Qemu-devel] Về: " Lê Đức Tài
2011-06-30 8:24 ` Alexander Graf
-- strict thread matches above, loose matches on Subject: below --
2011-07-08 2:55 [Qemu-devel] " Lê Đức Tài
2011-07-08 9:55 ` Alexander Graf
2011-07-09 4:12 ` Lê Đức Tài
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