Result for buffersize 1 (average over 1000 operations):
kb/s: 3.99589  number of operations per second: 4091.79
clock secs:0.000244392(=244.392 usecs)  cpu secs:6e-05(=60 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 39.5554  number of operations per second: 20252.3
clock secs:4.9377e-05(=49.377 usecs)  cpu secs:5e-05(=50 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 75.048  number of operations per second: 19212.3
clock secs:5.205e-05(=52.05 usecs)  cpu secs:5e-05(=50 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 48.7659  number of operations per second: 6242.04
clock secs:0.000160204(=160.204 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 97.9206  number of operations per second: 6266.92
clock secs:0.000159568(=159.568 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 183.54  number of operations per second: 5873.27
clock secs:0.000170263(=170.263 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 360.459  number of operations per second: 5767.35
clock secs:0.00017339(=173.39 usecs)  cpu secs:7e-05(=70 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 695.499  number of operations per second: 5563.99
clock secs:0.000179727(=179.727 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 1449.74  number of operations per second: 5798.95
clock secs:0.000172445(=172.445 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 2680.99  number of operations per second: 5361.99
clock secs:0.000186498(=186.498 usecs)  cpu secs:0.00013(=130 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 3938.5  number of operations per second: 3938.5
clock secs:0.000253904(=253.904 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 5315.66  number of operations per second: 2657.83
clock secs:0.000376247(=376.247 usecs)  cpu secs:0.00023(=230 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 6176.61  number of operations per second: 1544.15
clock secs:0.000647604(=647.604 usecs)  cpu secs:0.00038(=380 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 10526.9  number of operations per second: 1315.87
clock secs:0.000759956(=759.956 usecs)  cpu secs:0.00054(=540 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 9558.7  number of operations per second: 597.419
clock secs:0.00167387(=1673.87 usecs)  cpu secs:0.00157(=1570 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 8903.29  number of operations per second: 278.228
clock secs:0.00359418(=3594.18 usecs)  cpu secs:0.00293(=2930 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 12398.5  number of operations per second: 193.727
clock secs:0.0051619(=5161.9 usecs)  cpu secs:0.00462(=4620 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 12167.3  number of operations per second: 95.0573
clock secs:0.01052(=10520 usecs)  cpu secs:0.00954(=9540 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 11710  number of operations per second: 45.7423
clock secs:0.0218616(=21861.6 usecs)  cpu secs:0.02037(=20370 usecs)