Result for buffersize 1 (average over 1000 operations):
kb/s: 0.899086  number of operations per second: 920.664
clock secs:0.00108617(=1086.17 usecs)  cpu secs:0.00104(=1040 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 2.56418  number of operations per second: 1312.86
clock secs:0.000761695(=761.695 usecs)  cpu secs:0.00077(=770 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 5.44911  number of operations per second: 1394.97
clock secs:0.00071686(=716.86 usecs)  cpu secs:0.00071(=710 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 13.6503  number of operations per second: 1747.24
clock secs:0.000572331(=572.331 usecs)  cpu secs:0.00058(=580 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 45.14  number of operations per second: 2888.96
clock secs:0.000346145(=346.145 usecs)  cpu secs:0.00034(=340 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 167.686  number of operations per second: 5365.96
clock secs:0.00018636(=186.36 usecs)  cpu secs:0.00019(=190 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 511.21  number of operations per second: 8179.36
clock secs:0.000122259(=122.259 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 1243.97  number of operations per second: 9951.73
clock secs:0.000100485(=100.485 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 2057.78  number of operations per second: 8231.13
clock secs:0.00012149(=121.49 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 2824.36  number of operations per second: 5648.73
clock secs:0.000177031(=177.031 usecs)  cpu secs:0.00013(=130 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 3827.37  number of operations per second: 3827.37
clock secs:0.000261276(=261.276 usecs)  cpu secs:0.00017(=170 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 5028.31  number of operations per second: 2514.15
clock secs:0.000397748(=397.748 usecs)  cpu secs:0.00026(=260 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 5825.88  number of operations per second: 1456.47
clock secs:0.000686591(=686.591 usecs)  cpu secs:0.00051(=510 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 7563.42  number of operations per second: 945.427
clock secs:0.00105772(=1057.72 usecs)  cpu secs:0.00065(=650 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 8740.27  number of operations per second: 546.267
clock secs:0.00183061(=1830.61 usecs)  cpu secs:0.00122(=1220 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 8730.12  number of operations per second: 272.816
clock secs:0.00366547(=3665.47 usecs)  cpu secs:0.00248(=2480 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 9075.67  number of operations per second: 141.807
clock secs:0.00705182(=7051.82 usecs)  cpu secs:0.00452(=4520 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 8328.38  number of operations per second: 65.0654
clock secs:0.0153691(=15369.1 usecs)  cpu secs:0.00875(=8750 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 9090.07  number of operations per second: 35.5081
clock secs:0.0281626(=28162.6 usecs)  cpu secs:0.01806(=18060 usecs)