Result for buffersize 1 (average over 1000 operations):
kb/s: 12.005  number of operations per second: 12293.2
clock secs:8.1346e-05(=81.346 usecs)  cpu secs:8e-05(=80 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 17.9854  number of operations per second: 9208.53
clock secs:0.000108595(=108.595 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 41.3181  number of operations per second: 10577.4
clock secs:9.4541e-05(=94.541 usecs)  cpu secs:9e-05(=90 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 75.9823  number of operations per second: 9725.73
clock secs:0.00010282(=102.82 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 150.925  number of operations per second: 9659.22
clock secs:0.000103528(=103.528 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 290.557  number of operations per second: 9297.83
clock secs:0.000107552(=107.552 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 19.7072  number of operations per second: 315.315
clock secs:0.00317143(=3171.43 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 1065.39  number of operations per second: 8523.11
clock secs:0.000117328(=117.328 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 1715.61  number of operations per second: 6862.43
clock secs:0.000145721(=145.721 usecs)  cpu secs:0.00013(=130 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 2809.73  number of operations per second: 5619.46
clock secs:0.000177953(=177.953 usecs)  cpu secs:0.00018(=180 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 3820.99  number of operations per second: 3820.99
clock secs:0.000261712(=261.712 usecs)  cpu secs:0.00026(=260 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 5021.29  number of operations per second: 2510.65
clock secs:0.000398304(=398.304 usecs)  cpu secs:0.0004(=400 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 5825.37  number of operations per second: 1456.34
clock secs:0.000686652(=686.652 usecs)  cpu secs:0.00067(=670 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 7568.12  number of operations per second: 946.015
clock secs:0.00105707(=1057.07 usecs)  cpu secs:0.00091(=910 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 8735.47  number of operations per second: 545.967
clock secs:0.00183161(=1831.61 usecs)  cpu secs:0.00182(=1820 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 8729.96  number of operations per second: 272.811
clock secs:0.00366554(=3665.54 usecs)  cpu secs:0.00358(=3580 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 9075.64  number of operations per second: 141.807
clock secs:0.00705184(=7051.84 usecs)  cpu secs:0.00698(=6980 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 8328.58  number of operations per second: 65.0671
clock secs:0.0153688(=15368.8 usecs)  cpu secs:0.01381(=13810 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 9089.89  number of operations per second: 35.5074
clock secs:0.0281631(=28163.1 usecs)  cpu secs:0.0269(=26900 usecs)