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Date:	20 Aug 2007 20:10:56 +0200
From:	Andi Kleen <>
To:	"Felix Marti" <>
Cc:	"Evgeniy Polyakov" <>,,,,,,
	David Miller <>
Subject: Re: [ofa-general] Re: [PATCH RFC] RDMA/CMA: Allocate PS_TCPportsfrom the host TCP port space.

"Felix Marti" <> writes:

> What I was referring to is that TSO(/LRO) have their own
> issues, some eluded to by Roland and me. In fact, customers working on
> the LSR couldn't use TSO due to the burstiness it introduces

That was in old kernels where TSO didn't honor the initial cwnd correctly, 
right? I assume it's long fixed.

If not please clarify what the problem was.

> have a look at graphics.
> Graphics used to be done by the host CPU and now we have dedicated
> graphics adapters that do a much better job...

Is your off load device as programable as a modern GPU?

> farfetched that offload devices can do a better job at a data-flow
> problem?

One big difference is that there is no potentially adverse and
always varying internet between the graphics card and your monitor.

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