Result for buffersize 1 (average over 1000 operations):
kb/s: 5.21782  number of operations per second: 5343.05
clock secs:0.000187159(=187.159 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 36.2489  number of operations per second: 18559.4
clock secs:5.3881e-05(=53.881 usecs)  cpu secs:5e-05(=50 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 22.9643  number of operations per second: 5878.86
clock secs:0.000170101(=170.101 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 36.1807  number of operations per second: 4631.13
clock secs:0.00021593(=215.93 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 78.2353  number of operations per second: 5007.06
clock secs:0.000199718(=199.718 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 120.483  number of operations per second: 3855.47
clock secs:0.000259372(=259.372 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 247.38  number of operations per second: 3958.08
clock secs:0.000252648(=252.648 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 472.584  number of operations per second: 3780.68
clock secs:0.000264503(=264.503 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 825.167  number of operations per second: 3300.67
clock secs:0.000302969(=302.969 usecs)  cpu secs:0.00016(=160 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 1531.78  number of operations per second: 3063.56
clock secs:0.000326418(=326.418 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 2546.67  number of operations per second: 2546.67
clock secs:0.000392669(=392.669 usecs)  cpu secs:0.00019(=190 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 6155.63  number of operations per second: 3077.81
clock secs:0.000324906(=324.906 usecs)  cpu secs:0(=0 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 10795  number of operations per second: 2698.76
clock secs:0.000370541(=370.541 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 9792.95  number of operations per second: 1224.12
clock secs:0.000816914(=816.914 usecs)  cpu secs:0.00052(=520 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 8038.15  number of operations per second: 502.385
clock secs:0.00199051(=1990.51 usecs)  cpu secs:0.00113(=1130 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 8219.1  number of operations per second: 256.847
clock secs:0.00389337(=3893.37 usecs)  cpu secs:0.0024(=2400 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 8085.85  number of operations per second: 126.341
clock secs:0.00791506(=7915.06 usecs)  cpu secs:0.00444(=4440 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 8123.84  number of operations per second: 63.4675
clock secs:0.0157561(=15756.1 usecs)  cpu secs:0.00916(=9160 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 8110.3  number of operations per second: 31.6809
clock secs:0.0315648(=31564.8 usecs)  cpu secs:0.01882(=18820 usecs)