From: Andi Kleen <andi@firstfloor.org>
To: Ling Ma <ling.ma.program@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>,
mingo@redhat.com, tglx@linutronix.de, hpa@zytor.com,
neleai@seznam.cz, linux-kernel@vger.kernel.org,
Ling Ma <ling.ml@alibaba-inc.com>
Subject: Re: [PATCH RFC] x86:Improve memset with general 64bit instruction
Date: Mon, 14 Apr 2014 00:03:34 +0200 [thread overview]
Message-ID: <20140413220334.GE22728@two.firstfloor.org> (raw)
In-Reply-To: <CAOGi=dMbRv6S+UGthYTCvW=C7hBRwpnZdM-BYYqT1fn=kF2SLg@mail.gmail.com>
On Sun, Apr 13, 2014 at 11:11:59PM +0800, Ling Ma wrote:
> Any further comments ?
It would be good to test on some more machines that you don't cause
regressions.
But I'm not aware of any workload that is doing a lot of memset (not
counting clear_page). Copies likely matter much more.
-Andi
next prev parent reply other threads:[~2014-04-13 22:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-07 14:50 [PATCH RFC] x86:Improve memset with general 64bit instruction ling.ma.program
2014-04-07 14:52 ` Ling Ma
2014-04-07 16:42 ` Andi Kleen
2014-04-08 14:00 ` Ling Ma
2014-04-13 15:11 ` Ling Ma
2014-04-13 22:03 ` Andi Kleen [this message]
2014-04-14 13:31 ` Ling Ma
2014-04-15 5:01 ` Andi Kleen
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