netdev - Re: Packet mmap: TX RING and zero copy

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Message-ID: <7e0dd21a0809030605odc28306re8b7640f0632ac36@mail.gmail.com>
Date:	Wed, 3 Sep 2008 15:05:07 +0200
From:	"Johann Baudy" <johaahn@...il.com>
To:	"David Miller" <davem@...emloft.net>,
	"Evgeniy Polyakov" <johnpol@....mipt.ru>
Cc:	netdev@...r.kernel.org
Subject: Re: Packet mmap: TX RING and zero copy

Sorry for misunderstanding,

TCP socket, transferring 20Mbytes file (located in initramfs) in loop
with sendfile() : 5.7Mbytes/s

Best regards,
Johann

On Wed, Sep 3, 2008 at 1:06 PM, David Miller <davem@...emloft.net> wrote:
> From: "Johann Baudy" <johaahn@...il.com>
> Date: Wed, 3 Sep 2008 12:38:53 +0200
>
>> I'm not able to exceed 15Mo/s even with vmsplice/splice duo.
>
> I think you misunderstood what Evgeniy was asking of you.
>
> He was asking how fast you can transfer data over this
> interface using a normal TCP socket to a remove host,
> via sendfile() or splice().
>



-- 
Johann Baudy
johaahn@...il.com
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