wb_sdram_ctrl try5

Memory benchmark test
CPU Clock freq: 50 MHz
Precalculating random table
I-cache and D-cache enabled
Linear 1 MB read... 5322 KiB/s
Linear 1 MB write... 5152 KiB/s
Random 1 MB read... 4573 KiB/s
Random 1 MB write... 5245 KiB/s
Linear 1 MB read and write... 3457 KiB/s
Random 1 MB read and write... 2821 KiB/s
D-cache disabled
Linear 1 MB read... 3230 KiB/s
Linear 1 MB write... 3612 KiB/s
Random 1 MB read... 3330 KiB/s
Random 1 MB write... 3540 KiB/s
Linear 1 MB read and write... 2289 KiB/s
Random 1 MB read and write... 1987 KiB/s
I-cache and D-cache disabled
Linear 1 MB read... 1702 KiB/s
Linear 1 MB write... 1928 KiB/s
Random 1 MB read... 1574 KiB/s
Random 1 MB write... 1590 KiB/s
Linear 1 MB read and write... 1330 KiB/s
Random 1 MB read and write... 909 KiB/s

done!