Re: ARM11 MPCore with Linux is slower than ARM9 with OSE
Bhattiprolu RaviKumar <[email protected]> Tue, 12 Apr 2011 13:54:56 +0530
| Newsgroups | gmane.linux.ports.arm.general |
|---|---|
| Message-ID | <[email protected]> |
Nagendra, Both are clocked at same frequency 200MHz. regards, Ravi On Tue, Apr 12, 2011 at 1:46 PM, Nagendra <[email protected]> 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 < > [email protected]>* wrote: > > > From: Bhattiprolu RaviKumar <[email protected]> > Subject: ARM11 MPCore with Linux is slower than ARM9 with OSE > To: [email protected] > 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 > [email protected]<http://mc/[email protected]> > http://lists.infradead.org/mailman/listinfo/linux-arm > > _______________________________________________ linux-arm mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-arm