[ofa-general] ***SPAM*** ibv_qp_cap- sensible settings for the parameters

[Dotan Barak]

On Thu, Aug 28, 2008 at 6:48 PM, Adrien Guillon <aj.guillon at gmail.com> wrote:
> Hi,
>
> I don't quite understand the parameters inside struct
> ibv_qp_init_attr.  In particular the ibv_qp_cap structure... what are
> sensible defaults?  How do these parameters affect overall functioning
> of the application?
>
One should use the minimum values that he needs for his application
(for example: if you don't use any scatter/gather entries in your
application, so limit this value to 1 in both RQ and SQ of the QP).

If high values will be used in the QP capabilities structure, more
memory will be allocated (and pinned) for this QP.

Dotan

> Thanks,
>
> AJ
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