Re: Should I expect lower bandwidth when using IBV_QPT_RAW_PACKET and steering rule?

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Subject: Re: Should I expect lower bandwidth when using IBV_QPT_RAW_PACKET and steering rule?
From: Jason Gunthorpe <jgg@xxxxxxxx>
Date: Fri, 20 Mar 2020 13:34:11 -0300
Cc: Mark Bloch <markb@xxxxxxxxxxxx>, Terry Toole <toole@xxxxxxxxxxxxxxxxxxx>, linux-rdma@xxxxxxxxxxxxxxx
In-reply-to: <CAOc41xGkcgDZoqPHX8uH4uG6E+FSUHMoZdB1H2cQ1X5LYkuM8g@mail.gmail.com>
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On Fri, Mar 20, 2020 at 09:04:34AM -0700, Dimitris Dimitropoulos wrote:
> I should make the question more precise: in a peer to peer setup where
> RDMA UC can achieve line rate with no packet drops, can we expect the
> same result with UDP with IB verbs ?

I would expect UDP and UD to be similar

But verbs will be slower than dpdk.

Jason

Follow-Ups:
- Re: Should I expect lower bandwidth when using IBV_QPT_RAW_PACKET and steering rule?
  - From: Dimitris Dimitropoulos

References:
- Should I expect lower bandwidth when using IBV_QPT_RAW_PACKET and steering rule?
  - From: Terry Toole
- Re: Should I expect lower bandwidth when using IBV_QPT_RAW_PACKET and steering rule?
  - From: Mark Bloch
- Re: Should I expect lower bandwidth when using IBV_QPT_RAW_PACKET and steering rule?
  - From: Dimitris Dimitropoulos
- Re: Should I expect lower bandwidth when using IBV_QPT_RAW_PACKET and steering rule?
  - From: Dimitris Dimitropoulos

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