On Thursday, August 09, 2012 2:06 PM, Tanya Brokhman
wrote:
Thank you for interesting patch.
Here is other test result.
* Test environment
kernel version: 3.4
Underline device driver: mmc
Host controller: dw_mmc
Card:standard emmc NAND flash
* lmdd with parallel read and write
/data/lmdd if=int
Hi,
i will try the test with your comment. and will share the result.
Thanks for reply.
Best Regards,
Jaehoon Chung
2012/8/9 Tanya Brokhman :
> Hi Chung
>
>
>> The below is my environment:
>> Kernel Version: linux-3.4
>> Card: eMMC4.5 (50MHz DDR mode, 8-bit buswidth) Host controller : dw-
>> mmc
Hi Chung
> The below is my environment:
> Kernel Version: linux-3.4
> Card: eMMC4.5 (50MHz DDR mode, 8-bit buswidth) Host controller : dw-
> mmc (DesignWare MMC controller) Benchmark : IOzone
>
> *CFQ Scheduler
> Read : 35MB
> Write : 17MB
>
> *ROW Scheduler
> Read : 28MB
> Write : 17MB
>
> Ho
On 08/08/2012 07:37 PM, Tanya Brokhman wrote:
> Hi Chung
>
>> Hi
>>
>> I tested with this patch on my board.
>> But i didn't get any performance benefit.
>> Which benchmark did you use?
>
> As I already mentioned I used lmdd. The results I published were collected
> using the bellow command run
Hi Chung
> Hi
>
> I tested with this patch on my board.
> But i didn't get any performance benefit.
> Which benchmark did you use?
As I already mentioned I used lmdd. The results I published were collected
using the bellow command run in parallel:
adb shell /data/lmdd if=internal of=/data/write
Hi
I tested with this patch on my board.
But i didn't get any performance benefit.
Which benchmark did you use?
And sometime this scheduler didn't work well read/write operation.
(i didn't know exactly what problem.)
The below is my environment:
Kernel Version: linux-3.4
Card: eMMC4.5 (50MHz DDR