petri@babylon:~$ sysbench --test=memory --memory-block-size=16K --memory-total-size=100G --memory-scope=global --memory-hugetlb=off --memory-oper=write --memory-access-mode=seq run
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 1

Doing memory operations speed test
Memory block size: 16K

Memory transfer size: 102400M

Memory operations type: write
Memory scope type: global
Threads started!
Done.

Operations performed: 6553600 (311512.73 ops/sec)

102400.00 MB transferred (4867.39 MB/sec)


Test execution summary:
    total time:                          21.0380s
    total number of events:              6553600
    total time taken by event execution: 20.5807
    per-request statistics:
         min:                                  0.00ms
         avg:                                  0.00ms
         max:                                  3.88ms
         approx.  95 percentile:               0.00ms

Threads fairness:
    events (avg/stddev):           6553600.0000/0.00
    execution time (avg/stddev):   20.5807/0.00