Result for buffersize 1 (average over 1000 operations):
kb/s: 5.43389  number of operations per second: 5564.3
clock secs:0.000179717(=179.717 usecs)  cpu secs:2e-05(=20 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 125.724  number of operations per second: 64370.8
clock secs:1.5535e-05(=15.535 usecs)  cpu secs:1e-05(=10 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 294.167  number of operations per second: 75306.9
clock secs:1.3279e-05(=13.279 usecs)  cpu secs:1e-05(=10 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 580.596  number of operations per second: 74316.3
clock secs:1.3456e-05(=13.456 usecs)  cpu secs:2e-05(=20 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 54.2239  number of operations per second: 3470.33
clock secs:0.000288157(=288.157 usecs)  cpu secs:2e-05(=20 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 113.13  number of operations per second: 3620.15
clock secs:0.000276232(=276.232 usecs)  cpu secs:1e-05(=10 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 205.858  number of operations per second: 3293.73
clock secs:0.000303607(=303.607 usecs)  cpu secs:3e-05(=30 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 307.978  number of operations per second: 2463.82
clock secs:0.000405873(=405.873 usecs)  cpu secs:9e-05(=90 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 585.583  number of operations per second: 2342.33
clock secs:0.000426925(=426.925 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 1053.94  number of operations per second: 2107.88
clock secs:0.00047441(=474.41 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 1824.56  number of operations per second: 1824.56
clock secs:0.000548077(=548.077 usecs)  cpu secs:0.00014(=140 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 2221.36  number of operations per second: 1110.68
clock secs:0.000900349(=900.349 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 2520.36  number of operations per second: 630.09
clock secs:0.00158707(=1587.07 usecs)  cpu secs:0.00041(=410 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 3136.41  number of operations per second: 392.052
clock secs:0.00255069(=2550.68 usecs)  cpu secs:0.00054(=540 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 3456.39  number of operations per second: 216.024
clock secs:0.00462911(=4629.11 usecs)  cpu secs:0.00093(=930 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 3575.9  number of operations per second: 111.747
clock secs:0.00894878(=8948.78 usecs)  cpu secs:0.00326(=3260 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 3406.22  number of operations per second: 53.2222
clock secs:0.0187892(=18789.2 usecs)  cpu secs:0.01397(=13970 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 3422.71  number of operations per second: 26.7399
clock secs:0.0373973(=37397.3 usecs)  cpu secs:0.02877(=28770 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 3377.79  number of operations per second: 13.1945
clock secs:0.0757893(=75789.3 usecs)  cpu secs:0.0584(=58400 usecs)