[openib-general] Which driver to choose, OpenIB or IBGD?

[Ian Jiang]

Hi Dotan,
Thanks for your reply!


On 2/14/06, Dotan Barak <dotanb at mellanox.co.il> wrote:
>
> Supported Linux kernels versions
>
> Latency
>
> -----------
>
>    - openIB based applications can may better latency than IBGD based
>    applicaitons
>
> Did anybody get an experiment result of comparison?

Few weeks ago, Mellanox published IBG2 (which is a stable version of the
> openIB driver)
>

Do you know which version of OpenIB driver does the IBG2 base on?

Another question: Is it matters which driver is used for the communication
between IB cards or swithes? Or could a IB card drived by IBGD/IBG2
communicate correctly with one drived by OpenIB?

Thanks again and best wishes!


--
Ian Jiang
ianjiang.ict at gmail.com

Laboratory of Spatial Information Technology
Division of System Architecture
Institute of Computing Technology
Chinese Academy of Sciences
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