[dpdk-dev] Is VFIO driver's performance better than IGB_UIO?

Vincent JARDIN vincent.jardin at 6wind.com
Fri Aug 8 09:45:51 CEST 2014

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,

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