1 Thread:

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: 1K

Memory transfer size: 102400M

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

Operations performed: 104857600 (1973743.11 ops/sec)

102400.00 MB transferred (1927.48 MB/sec)


Test execution summary:
    total time:                          53.1263s
    total number of events:              104857600
    total time taken by event execution: 44.8103
    per-request statistics:
         min:                                  0.00ms
         avg:                                  0.00ms
         max:                                100.15ms
         approx.  95 percentile:               0.00ms

Threads fairness:
    events (avg/stddev):           104857600.0000/0.00
    execution time (avg/stddev):   44.8103/0.00

2 Threads:

sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 2

Doing memory operations speed test
Memory block size: 1K

Memory transfer size: 102400M

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

Operations performed: 104857600 (1921759.38 ops/sec)

102400.00 MB transferred (1876.72 MB/sec)


Test execution summary:
    total time:                          54.5633s
    total number of events:              104857600
    total time taken by event execution: 92.2811
    per-request statistics:
         min:                                  0.00ms
         avg:                                  0.00ms
         max:                                 20.03ms
         approx.  95 percentile:               0.00ms

Threads fairness:
    events (avg/stddev):           52428800.0000/30283.00
    execution time (avg/stddev):   46.1406/0.11