Result for buffersize 1 (average over 1000 operations):
kb/s: 3.99081  number of operations per second: 4086.59
clock secs:0.000244703(=244.703 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 7.57313  number of operations per second: 3877.44
clock secs:0.000257902(=257.902 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 14.8569  number of operations per second: 3803.37
clock secs:0.000262925(=262.925 usecs)  cpu secs:0.00016(=160 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 28.6069  number of operations per second: 3661.69
clock secs:0.000273098(=273.098 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 55.7128  number of operations per second: 3565.62
clock secs:0.000280456(=280.456 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 109.627  number of operations per second: 3508.06
clock secs:0.000285058(=285.058 usecs)  cpu secs:0.00017(=170 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 220.022  number of operations per second: 3520.35
clock secs:0.000284063(=284.063 usecs)  cpu secs:7e-05(=70 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 430.568  number of operations per second: 3444.55
clock secs:0.000290314(=290.314 usecs)  cpu secs:0.00016(=160 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 787.744  number of operations per second: 3150.98
clock secs:0.000317362(=317.362 usecs)  cpu secs:0.00016(=160 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 1465.04  number of operations per second: 2930.09
clock secs:0.000341287(=341.287 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 2493.79  number of operations per second: 2493.79
clock secs:0.000400996(=400.996 usecs)  cpu secs:0.00023(=230 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 5988.24  number of operations per second: 2994.12
clock secs:0.000333988(=333.988 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 10803.6  number of operations per second: 2700.89
clock secs:0.000370248(=370.248 usecs)  cpu secs:0.00025(=250 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 9902.49  number of operations per second: 1237.81
clock secs:0.000807878(=807.878 usecs)  cpu secs:0.00048(=480 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 8117.63  number of operations per second: 507.352
clock secs:0.00197102(=1971.02 usecs)  cpu secs:0.00117(=1170 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 8267.22  number of operations per second: 258.351
clock secs:0.00387071(=3870.71 usecs)  cpu secs:0.00259(=2590 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 8140.96  number of operations per second: 127.202
clock secs:0.00786148(=7861.48 usecs)  cpu secs:0.00478(=4780 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 8176.09  number of operations per second: 63.8757
clock secs:0.0156554(=15655.4 usecs)  cpu secs:0.00948(=9480 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 8155.07  number of operations per second: 31.8557
clock secs:0.0313915(=31391.5 usecs)  cpu secs:0.01828(=18280 usecs)