***SPAM*** Re: [ofa-general] Concurrent RDMA Write w/imm between hosts and bandwidth/latency

[Dotan Barak]

Hi.

Why won't you connect the QPs to different CQs?

This way, you will be able to pull the "urgent" CQ first, and only if
it is empty, poll the "non-urgent" CQ.

Dotan



2009/3/16 Diego Guella <diego.guella at sircomtech.com>:
> Hi all,
>
> I am facing this problem: I have 3 hosts A, B, C.
> Hosts A and B send each other some small buffers at very regular intervals
> of time, and these buffers are "urgent" or "time critical" buffers.
> Host C sends to host B a very big buffer, and this is a "non urgent" buffer.
> I want the "urgent" transfer between A and B to not be affected by this "non
> urgent" transfer between C and B.
> The "urgent" buffers should have the same travel times as if the "non
> urgent" transfer is non-existent.
>
> How can I achieve this? Fence indicator?
> Any hint is greatly appreciated.
>
>
> All the communications are done with RDMA Write with Immediate.
> The cards I have are MHES14-XTC and MHGA28-XTC.
> I am using Windows XP 32bit (I am including general list because I think
> this is a non-windows only "problem")
>
> Best regards,
> Diego
>
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