wb_sdram_ctrl try10

Memory benchmark test
CPU Clock freq: 50 MHz
Precalculating random table
I-cache and D-cache enabled
Linear 1 MB read... 5899 KiB/s
Linear 1 MB write... 6510 KiB/s
Random 1 MB read... 4706 KiB/s
Random 1 MB write... 6099 KiB/s
Linear 1 MB read and write... 4249 KiB/s
Random 1 MB read and write... 3074 KiB/s

D-cache disabled
Linear 1 MB read... 3585 KiB/s
Linear 1 MB write... 4882 KiB/s
Random 1 MB read... 3536 KiB/s
Random 1 MB write... 4193 KiB/s
Linear 1 MB read and write... 2695 KiB/s
Random 1 MB read and write... 2138 KiB/s
I-cache and D-cache disabled
Linear 1 MB read... 1998 KiB/s
Linear 1 MB write... 2309 KiB/s
Random 1 MB read... 1691 KiB/s
Random 1 MB write... 1841 KiB/s
Linear 1 MB read and write... 1534 KiB/s
Random 1 MB read and write... 999 KiB/s

done!