相差无几, (感觉系统也会有影响, 下次试试都在 Ubuntu 下跑)
qemu-Ubuntu-x86_64-2c4g
==> sysbench cpu --cpu-max-prime=20000000 --threads=2 run
sysbench 1.0.20 (using system LuaJIT 2.1.0-beta3)
Running the test with following options:
Number of threads: 2
Initializing random number generator from current time
Prime numbers limit: 20000000
Initializing worker threads...
Threads started!
CPU speed:
events per second: 0.05
General statistics:
total time: 43.1130s
total number of events: 2
Latency (ms):
min: 43111.53
avg: 43112.18
max: 43112.83
95th percentile: 42899.63
sum: 86224.35
Threads fairness:
events (avg/stddev): 1.0000/0.00
execution time (avg/stddev): 43.1122/0.00
Qemu-archlinux-3c2g
[arch@archlinux ~]$ sysbench cpu --cpu-max-prime=20000000 --threads=2 run
sysbench 1.0.20 (using system LuaJIT 2.0.5)
Running the test with following options:
Number of threads: 2
Initializing random number generator from current time
Prime numbers limit: 20000000
Initializing worker threads...
Threads started!
CPU speed:
events per second: 0.05
General statistics:
total time: 38.0986s
total number of events: 2
Latency (ms):
min: 38065.45
avg: 38080.95
max: 38096.46
95th percentile: 37819.22
sum: 76161.91
Threads fairness:
events (avg/stddev): 1.0000/0.00
execution time (avg/stddev): 38.0810/0.02