From: Sean Hefty <mshefty@ichips.intel.com>
To: Grant Grundler <iod00d@hp.com>
Cc: Sean Hefty <sean.hefty@intel.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
openib-general@openib.org
Subject: Re: [openib-general] RE: [PATCH 2/5] [RFC] Infiniband: connection abstraction
Date: Wed, 18 Jan 2006 10:13:34 -0800 [thread overview]
Message-ID: <43CE854E.4060703@ichips.intel.com> (raw)
In-Reply-To: <20060118180243.GD6818@esmail.cup.hp.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Sean Hefty <mshefty@ichips.intel.com>
To: Grant Grundler <iod00d@hp.com>
Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
openib-general@openib.org
Subject: Re: RE: [PATCH 2/5] [RFC] Infiniband: connection abstraction
Date: Wed, 18 Jan 2006 10:13:34 -0800 [thread overview]
Message-ID: <43CE854E.4060703@ichips.intel.com> (raw)
In-Reply-To: <20060118180243.GD6818@esmail.cup.hp.com>
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
next prev parent reply other threads:[~2006-01-18 18:13 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-01-17 23:16 [PATCH 0/5] [RFC] Infiniband: connection abstraction Sean Hefty
2006-01-17 23:16 ` Sean Hefty
2006-01-17 23:21 ` [PATCH 1/5] " Sean Hefty
2006-01-17 23:21 ` Sean Hefty
2006-01-17 23:24 ` [PATCH 2/5] " Sean Hefty
2006-01-17 23:38 ` Stephen Hemminger
2006-01-17 23:38 ` Stephen Hemminger
2006-01-17 23:51 ` Sean Hefty
2006-01-17 23:51 ` Sean Hefty
2006-01-18 7:08 ` Arjan van de Ven
2006-01-18 7:08 ` Arjan van de Ven
2006-01-18 20:27 ` Bryan O'Sullivan
2006-01-18 20:27 ` Bryan O'Sullivan
2006-01-18 2:03 ` [openib-general] " Grant Grundler
2006-01-18 2:03 ` Grant Grundler
2006-01-18 17:46 ` [openib-general] " Sean Hefty
2006-01-18 17:46 ` Sean Hefty
2006-01-18 18:02 ` [openib-general] " Grant Grundler
2006-01-18 18:02 ` Grant Grundler
2006-01-18 18:13 ` Sean Hefty [this message]
2006-01-18 18:13 ` Sean Hefty
2006-01-17 23:24 ` Sean Hefty
2006-01-17 23:28 ` [PATCH 3/5] " Sean Hefty
2006-01-17 23:28 ` Sean Hefty
2006-01-21 23:37 ` [openib-general] " Roland Dreier
2006-01-21 23:37 ` Roland Dreier
2006-01-17 23:37 ` [PATCH 4/5] " Sean Hefty
2006-01-17 23:37 ` Sean Hefty
2006-01-17 23:44 ` [PATCH 5/5] " Sean Hefty
2006-01-17 23:44 ` Sean Hefty
2006-01-18 15:43 ` [openib-general] " Roland Dreier
2006-01-18 15:43 ` Roland Dreier
2006-01-18 15:44 ` [openib-general] " Roland Dreier
2006-01-18 15:44 ` Roland Dreier
2006-01-18 18:19 ` [openib-general] " Sean Hefty
2006-01-18 18:19 ` Sean Hefty
2006-01-18 18:49 ` [openib-general] " Grant Grundler
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