From: Grant Grundler <iod00d@hp.com>
To: Sean Hefty <mshefty@ichips.intel.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 10:02:43 -0800 [thread overview]
Message-ID: <20060118180243.GD6818@esmail.cup.hp.com> (raw)
In-Reply-To: <43CE7EDB.7030201@ichips.intel.com>
On Wed, Jan 18, 2006 at 09:46:03AM -0800, Sean Hefty wrote:
> Grant Grundler wrote:
> >>+static void cm_mask_compare_data(u8 *dst, u8 *src, u8 *mask)
...
> >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?
> >If so, can the mask operation use a "native" size since
> >IB_CM_PRIVATE_DATA_COMPARE_SIZE is hard coded to 64 byte?
> >
> >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.
thanks,
grant
next prev parent reply other threads:[~2006-01-18 18:02 UTC|newest]
Thread overview: 19+ 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 23:21 ` [PATCH 1/5] " Sean Hefty
2006-01-17 23:24 ` [PATCH 2/5] " Sean Hefty
2006-01-17 23:28 ` [PATCH 3/5] " Sean Hefty
2006-01-21 23:37 ` Roland Dreier
2006-01-17 23:37 ` [PATCH 4/5] " Sean Hefty
2006-01-17 23:44 ` [PATCH 5/5] " Sean Hefty
2006-01-18 15:43 ` Roland Dreier
2006-01-18 15:44 ` Roland Dreier
2006-01-18 18:19 ` Sean Hefty
2006-01-18 18:49 ` [openib-general] " Grant Grundler
[not found] ` <ORSMSX401FRaqbC8wSA00000040@orsmsx401.amr.corp.intel.com>
2006-01-17 23:38 ` [PATCH 2/5] " Stephen Hemminger
2006-01-17 23:51 ` Sean Hefty
2006-01-18 7:08 ` Arjan van de Ven
2006-01-18 20:27 ` Bryan O'Sullivan
2006-01-18 2:03 ` Grant Grundler
2006-01-18 17:46 ` Sean Hefty
2006-01-18 18:02 ` Grant Grundler [this message]
2006-01-18 18:13 ` Sean Hefty
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