Result for buffersize 1 (average over 1000 operations):
kb/s: 9.87095  number of operations per second: 10107.9
clock secs:9.8933e-05(=98.933 usecs)  cpu secs:4e-05(=40 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 22.7285  number of operations per second: 11637
clock secs:8.5933e-05(=85.933 usecs)  cpu secs:1e-05(=10 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 420.434  number of operations per second: 107631
clock secs:9.291e-06(=9.291 usecs)  cpu secs:1e-05(=10 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 626.202  number of operations per second: 80153.9
clock secs:1.2476e-05(=12.476 usecs)  cpu secs:0(=0 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 1220.7  number of operations per second: 78125
clock secs:1.28e-05(=12.8 usecs)  cpu secs:0(=0 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 2285.36  number of operations per second: 73131.5
clock secs:1.3674e-05(=13.674 usecs)  cpu secs:0(=0 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 3980.13  number of operations per second: 63682.1
clock secs:1.5703e-05(=15.703 usecs)  cpu secs:0(=0 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 6331.68  number of operations per second: 50653.4
clock secs:1.9742e-05(=19.742 usecs)  cpu secs:0(=0 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 3767.44  number of operations per second: 15069.8
clock secs:6.6358e-05(=66.358 usecs)  cpu secs:3e-05(=30 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 11051.4  number of operations per second: 22102.9
clock secs:4.5243e-05(=45.243 usecs)  cpu secs:3e-05(=30 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 12542  number of operations per second: 12542
clock secs:7.9732e-05(=79.732 usecs)  cpu secs:5e-05(=50 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 13332.4  number of operations per second: 6666.22
clock secs:0.00015001(=150.01 usecs)  cpu secs:7e-05(=70 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 13485.6  number of operations per second: 3371.4
clock secs:0.000296613(=296.613 usecs)  cpu secs:0.00027(=270 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 14035.3  number of operations per second: 1754.41
clock secs:0.000569992(=569.992 usecs)  cpu secs:0.00041(=410 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 14310.2  number of operations per second: 894.386
clock secs:0.00111808(=1118.09 usecs)  cpu secs:0.00075(=750 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 14436.1  number of operations per second: 451.128
clock secs:0.00221666(=2216.66 usecs)  cpu secs:0.00154(=1540 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 14483.1  number of operations per second: 226.299
clock secs:0.00441894(=4418.94 usecs)  cpu secs:0.00317(=3170 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 14527.1  number of operations per second: 113.493
clock secs:0.00881114(=8811.14 usecs)  cpu secs:0.00631(=6310 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 14735.6  number of operations per second: 57.5608
clock secs:0.0173729(=17372.9 usecs)  cpu secs:0.01337(=13370 usecs)