メモリベンチマーク

sysbench on 12 core conoha (1 thread)

sysbench --test=memory 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: 1K

Memory transfer size: 102400M

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

Operations performed: 104857600 (2711900.57 ops/sec)

102400.00 MB transferred (2648.34 MB/sec)


Test execution summary:
    total time:                          38.6657s
    total number of events:              104857600
    total time taken by event execution: 30.9243
    per-request statistics:
         min:                                  0.00ms
         avg:                                  0.00ms
         max:                                  2.79ms
         approx.  95 percentile:               0.00ms

Threads fairness:
    events (avg/stddev):           104857600.0000/0.00
    execution time (avg/stddev):   30.9243/0.00

sysbench on 12 core conoha (12 thread)

sysbench --test=memory --num-threads=12 run
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 12

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 (2922417.02 ops/sec)

102400.00 MB transferred (2853.92 MB/sec)


Test execution summary:
    total time:                          35.8804s
    total number of events:              104857600
    total time taken by event execution: 227.6331
    per-request statistics:
         min:                                  0.00ms
         avg:                                  0.00ms
         max:                                 24.69ms
         approx.  95 percentile:               0.00ms

Threads fairness:
    events (avg/stddev):           8738133.3333/96645.01
    execution time (avg/stddev):   18.9694/0.08

sysbench on 12 core conoha (2 threads)

sysbench --test=memory --num-threads=2 run
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 (3287886.62 ops/sec)

102400.00 MB transferred (3210.83 MB/sec)


Test execution summary:
    total time:                          31.8921s
    total number of events:              104857600
    total time taken by event execution: 45.2529
    per-request statistics:
         min:                                  0.00ms
         avg:                                  0.00ms
         max:                                 13.94ms
         approx.  95 percentile:               0.00ms

Threads fairness:
    events (avg/stddev):           52428800.0000/530162.00
    execution time (avg/stddev):   22.6264/0.55

sysbench on my mac book pro (1 thread)

sysbench --test=memory run
WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options.
sysbench 1.0.15 (using bundled LuaJIT 2.1.0-beta2)

Running the test with following options:
Number of threads: 1
Initializing random number generator from current time


Running memory speed test with the following options:
  block size: 1KiB
  total size: 102400MiB
  operation: write
  scope: global

Initializing worker threads...

Threads started!

Total operations: 26163020 (2615825.92 per second)

25549.82 MiB transferred (2554.52 MiB/sec)


General statistics:
    total time:                          10.0001s
    total number of events:              26163020

Latency (ms):
         min:                                    0.00
         avg:                                    0.00
         max:                                   30.11
         95th percentile:                        0.00
         sum:                                 3676.19

Threads fairness:
    events (avg/stddev):           26163020.0000/0.00
    execution time (avg/stddev):   3.6762/0.00

sysbench on my mac book pro (4 thread)

sysbench --test=memory --num-threads=4 run
WARNING: the --test option is deprecated. You can pass a script name or path on the command line without any options.
WARNING: --num-threads is deprecated, use --threads instead
sysbench 1.0.15 (using bundled LuaJIT 2.1.0-beta2)

Running the test with following options:
Number of threads: 4
Initializing random number generator from current time


Running memory speed test with the following options:
  block size: 1KiB
  total size: 102400MiB
  operation: write
  scope: global

Initializing worker threads...

Threads started!

Total operations: 65458813 (6544605.10 per second)

63924.62 MiB transferred (6391.22 MiB/sec)


General statistics:
    total time:                          10.0001s
    total number of events:              65458813

Latency (ms):
         min:                                    0.00
         avg:                                    0.00
         max:                                   65.07
         95th percentile:                        0.00
         sum:                                16228.33

Threads fairness:
    events (avg/stddev):           16364703.2500/11782.26
    execution time (avg/stddev):   4.0571/0.04