Result for buffersize 1 (average over 1000 operations):
kb/s: 4.82966  number of operations per second: 4945.57
clock secs:0.000202201(=202.201 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 12.7852  number of operations per second: 6546
clock secs:0.000152765(=152.765 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 18.6816  number of operations per second: 4782.49
clock secs:0.000209096(=209.096 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 37.0621  number of operations per second: 4743.95
clock secs:0.000210795(=210.795 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 73.2766  number of operations per second: 4689.71
clock secs:0.000213233(=213.233 usecs)  cpu secs:0.00013(=130 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 141.511  number of operations per second: 4528.35
clock secs:0.000220831(=220.831 usecs)  cpu secs:9e-05(=90 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 279.407  number of operations per second: 4470.51
clock secs:0.000223688(=223.688 usecs)  cpu secs:9e-05(=90 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 609.652  number of operations per second: 4877.22
clock secs:0.000205035(=205.035 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 1130.2  number of operations per second: 4520.8
clock secs:0.0002212(=221.2 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 2130.32  number of operations per second: 4260.65
clock secs:0.000234706(=234.706 usecs)  cpu secs:0.00015(=150 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 3729.48  number of operations per second: 3729.48
clock secs:0.000268134(=268.134 usecs)  cpu secs:0.00014(=140 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 5746.02  number of operations per second: 2873.01
clock secs:0.000348067(=348.067 usecs)  cpu secs:0.00016(=160 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 8271.86  number of operations per second: 2067.97
clock secs:0.000483567(=483.567 usecs)  cpu secs:0.00022(=220 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 9289.26  number of operations per second: 1161.16
clock secs:0.00086121(=861.21 usecs)  cpu secs:0.00041(=410 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 8082.14  number of operations per second: 505.134
clock secs:0.00197967(=1979.67 usecs)  cpu secs:0.00111(=1110 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 8417.31  number of operations per second: 263.041
clock secs:0.00380169(=3801.69 usecs)  cpu secs:0.00178(=1780 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 8210.17  number of operations per second: 128.284
clock secs:0.00779521(=7795.21 usecs)  cpu secs:0.00366(=3660 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 8146.56  number of operations per second: 63.645
clock secs:0.0157122(=15712.2 usecs)  cpu secs:0.00697(=6970 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 8018.1  number of operations per second: 31.3207
clock secs:0.0319278(=31927.8 usecs)  cpu secs:0.01495(=14950 usecs)