From: Vincent JARDIN <vincent.jardin-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: Linhaifeng <haifeng.lin-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Cc: "dev-VfR2kkLFssw@public.gmane.org"
<dev-VfR2kkLFssw@public.gmane.org>,
"Guofeng \(E\)"
<wind.guo-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>,
"lixiao \(H\)" <lixiao91-hv44wF8Li93QT0dZR+AlfA@public.gmane.org>
Subject: Re: Is VFIO driver's performance better than IGB_UIO?
Date: Fri, 08 Aug 2014 09:45:51 +0200 [thread overview]
Message-ID: <53E4802F.70904@6wind.com> (raw)
In-Reply-To: <4099DE2E54AFAD489356C6C9161D533363BB3709-mfeVThRg90OEZbDCDsDlKQK1hpo4iccwjNknBlVQO8k@public.gmane.org>
On 08/08/2014 09:41, Linhaifeng wrote:
> I have test the VFIO driver and IGB_UIO driver by l2fwd for many times. I find that the VFIO driver’s performance is not better than the IGB_UIO.
You are right, under some conditions UIO is faster, VFIO provides
safety. The best solution is a PMD without UIO, neither VFIO.
which CPU are you using?
Best regards,
Vincent
next prev parent reply other threads:[~2014-08-08 7:45 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-08 7:41 Is VFIO driver's performance better than IGB_UIO? Linhaifeng
[not found] ` <4099DE2E54AFAD489356C6C9161D533363BB3709-mfeVThRg90OEZbDCDsDlKQK1hpo4iccwjNknBlVQO8k@public.gmane.org>
2014-08-08 7:45 ` Vincent JARDIN [this message]
[not found] ` <53E4802F.70904-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-08-08 7:54 ` 答复: " Linhaifeng
[not found] ` <4099DE2E54AFAD489356C6C9161D533363BB4727-mfeVThRg90OEZbDCDsDlKQK1hpo4iccwjNknBlVQO8k@public.gmane.org>
2014-08-08 9:23 ` Vincent JARDIN
[not found] ` <53E49715.3020504-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-08-08 18:19 ` Chris Wright
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