RE: [RFC/PATCH 0/2] ROW scheduling Algorithm

2012-08-20 Thread Seungwon Jeon
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

Re: [RFC/PATCH 0/2] ROW scheduling Algorithm

2012-08-14 Thread Jae hoon Chung
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

RE: [RFC/PATCH 0/2] ROW scheduling Algorithm

2012-08-08 Thread 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 (DesignWare MMC controller) Benchmark : IOzone > > *CFQ Scheduler > Read : 35MB > Write : 17MB > > *ROW Scheduler > Read : 28MB > Write : 17MB > > Ho

Re: [RFC/PATCH 0/2] ROW scheduling Algorithm

2012-08-08 Thread Jaehoon Chung
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

RE: [RFC/PATCH 0/2] ROW scheduling Algorithm

2012-08-08 Thread Tanya Brokhman
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

Re: [RFC/PATCH 0/2] ROW scheduling Algorithm

2012-08-08 Thread Jaehoon Chung
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