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From: Stefan Roese <sr@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] am335x: cpsw: optimize cpsw_recv to increase network performance
Date: Thu, 12 Dec 2013 14:24:51 +0100	[thread overview]
Message-ID: <52A9B923.4020206@denx.de> (raw)
In-Reply-To: <52A9B800.5020402@streamunlimited.com>

On 12.12.2013 14:20, Vladimir Koutny wrote:
> 
> On 12/12/13 13:37, Tom Rini wrote:
>> On 12/12/2013 03:34 AM, Stefan Roese wrote:
>>> I just tested on dxr2 (AM3352 based board) with latest mainline
>>> U-Boot. And the network performance is a bit better. But not as
>>> good as yours. Here my numbers:
>>
>>> Without this patch:	~400 KiB/s With this patch:	~570 KiB/s
>>
>>> Any ideas what might be missing on my platform? Why the speed is
>>> not as good?
>>
>> I only got a small increase as well until I also grabbed the dcache
>> enable patch.  I need to find some time today to clean out the TI
>> queue again.
>>
> 
> Good point - indeed I had I/D caches enabled for other reasons already
> (md5/sha1 caclulations, ..)

Hmmm. I expected that caches are enabled already. Since I didn't see any
"D-Cache disabled message" in the startup log.

If this is not that case, then such cache support would be greatly
appreciated. :)

Thanks,
Stefan

  reply	other threads:[~2013-12-12 13:24 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-28  9:38 [U-Boot] [PATCH] am335x: cpsw: optimize cpsw_recv to increase network performance Vladimir Koutny
2013-11-28  9:55 ` Mugunthan V N
2013-12-04 22:05 ` [U-Boot] " Tom Rini
2013-12-12  8:34   ` Stefan Roese
2013-12-12 12:37     ` Tom Rini
2013-12-12 13:20       ` Vladimir Koutny
2013-12-12 13:24         ` Stefan Roese [this message]
2013-12-12 13:39           ` Tom Rini
2013-12-12 13:45             ` Stefan Roese
2013-12-12 13:49               ` Tom Rini
2013-12-12 13:53                 ` Stefan Roese

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