wb_sdram_ctrl try1

Memory benchmark test
CPU Clock freq: 50 MHz
Precalculating random table

I-cache and D-cache enabled
Linear 1 MB read... 4407 KiB/s
Linear 1 MB write... 4763 KiB/s
Random 1 MB read... 3697 KiB/s
Random 1 MB write... 4545 KiB/s
Linear 1 MB read and write... 3060 KiB/s
Random 1 MB read and write... 2474 KiB/s
D-cache disabled
Linear 1 MB read... 2411 KiB/s
Linear 1 MB write... 3228 KiB/s
Random 1 MB read... 2770 KiB/s
Random 1 MB write... 3100 KiB/s
Linear 1 MB read and write... 1953 KiB/s
Random 1 MB read and write... 1581 KiB/s
I-cache and D-cache disabled
Linear 1 MB read... 1251 KiB/s
Linear 1 MB write... 1537 KiB/s
Random 1 MB read... 1166 KiB/s
Random 1 MB write... 1216 KiB/s
Linear 1 MB read and write... 1041 KiB/s
Random 1 MB read and write... 692 KiB/s

done!