[dpdk-dev] 答复: Is VFIO driver's performance better than IGB_UIO?
haifeng.lin at huawei.com
Fri Aug 8 09:54:55 CEST 2014
Thank you very much.
My cpu is "Intel(R) Xeon(R) CPU E5620 @ 2.40GHz"
发件人: Vincent JARDIN [mailto:vincent.jardin at 6wind.com]
发送时间: 2014年8月8日 15:46
抄送: dev at dpdk.org; lixiao (H); Guofeng (E)
主题: Re: [dpdk-dev] Is VFIO driver's performance better than IGB_UIO?
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?
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