Ubuntu-gr Forum

εκλεισα απ το bios τα turboBoost, HyperThread Control και SpeedStep.Τωρα η κατασταση παει προς το καλυτερο.

με 2 πυρηνες

Κώδικας: Επιλογή όλων

sysbench --test=cpu --cpu-max-prime=20000 --num-threads=2 run
sysbench 0.4.12:  multi-threaded system evaluation benchmark

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

Doing CPU performance benchmark

Threads started!
Done.

Maximum prime number checked in CPU test: 20000


Test execution summary:
    total time:                          18.1625s
    total number of events:              10000
    total time taken by event execution: 36.3213
    per-request statistics:
         min:                                  3.35ms
         avg:                                  3.63ms
         max:                                 18.41ms
         approx.  95 percentile:               5.25ms

Threads fairness:
    events (avg/stddev):           5000.0000/123.00
    execution time (avg/stddev):   18.1607/0.00


και με 4

Κώδικας: Επιλογή όλων

sysbench --test=cpu --cpu-max-prime=20000 --num-threads=4 run
sysbench 0.4.12:  multi-threaded system evaluation benchmark

Running the test with following options:
Number of threads: 4

Doing CPU performance benchmark

Threads started!
Done.

Maximum prime number checked in CPU test: 20000


Test execution summary:
    total time:                          17.9200s
    total number of events:              10000
    total time taken by event execution: 71.6655
    per-request statistics:
         min:                                  3.29ms
         avg:                                  7.17ms
         max:                                 41.62ms
         approx.  95 percentile:              11.83ms

Threads fairness:
    events (avg/stddev):           2500.0000/34.12
    execution time (avg/stddev):   17.9164/0.00