[openib-general] RE: [PATCH 2/5] [RFC] Infiniband: connection abstraction
Sean Hefty
mshefty at ichips.intel.com
Wed Jan 18 10:13:34 PST 2006
Grant Grundler wrote:
>>>Is this code going to get invoked very often?
>>
>>In practice, it would be invoked when matching any listen requests
>>originating from the CMA (RDMA connection abstraction).
>
> hrm..I'm not sure how to translate your answer into a workload.
> e.g. which netperf or netpipe test would excercise this alot?
> Or would it take something like MPI or specweb/ttcp?
The code will be invoked at least once for every connection that is established.
>>>e.g something like:
>>> for (i = 0; i < IB_CM_PRIVATE_DATA_COMPARE_SIZE/sizeof(unsigned
>>> long);
>>> i++)
>>> ((unsigned long *)dst)[i] = ((unsigned long *)src)[i]
>>> & ((unsigned long *)mask)[i];
>>
>>Yes - something like this should work. Thanks.
>
>
> Do you need a patch?
> I can submit one but it will be untested.
I will incorporate the change with the next set of updates. Someone else
pointed out that I'd need to make sure that there won't be any alignment issues.
- Sean
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