ARM11 MPCore with Linux is slower than ARM9 with OSE

[Bhattiprolu RaviKumar]

Nagendra,
  Both are clocked at same frequency 200MHz.
regards,
Ravi

On Tue, Apr 12, 2011 at 1:46 PM, Nagendra <nags75 at yahoo.com> wrote:

> The first thing I would check is the clock frequencies at which you have
> configured ARM9 and ARM11.
>
> --- On *Thu, 3/17/11, Bhattiprolu RaviKumar <
> ravikumar.bhattiprolu at gmail.com>* wrote:
>
>
> From: Bhattiprolu RaviKumar <ravikumar.bhattiprolu at gmail.com>
> Subject: ARM11 MPCore with Linux is slower than ARM9 with OSE
> To: linux-arm at lists.infradead.org
> Date: Thursday, March 17, 2011, 3:43 PM
>
>
> Hi All,
>   I am working on porting some code from ARM9 (without MMU) with OSE to
> ARM11 MPCore with Linux. This particular code reads and writes data from a
> peripheral registers two bytes at a time. This register is memory mapped to
> ARM address space. Even after moving the code to Kernel on ARM11, it runs
> very slow compared to similar code on ARM9 with OSE. All the branch
> predictions are enabled in ARM11. Any pointers on what is going wrong here?
>
> regards,
> Ravi
>
>
> -----Inline Attachment Follows-----
>
> _______________________________________________
> linux-arm mailing list
> linux-arm at lists.infradead.org<http://mc/compose?to=linux-arm@lists.infradead.org>
> http://lists.infradead.org/mailman/listinfo/linux-arm
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.infradead.org/pipermail/linux-arm/attachments/20110412/002d1af6/attachment.html>