Result for buffersize 1 (average over 1000 operations):
kb/s: 13.7474  number of operations per second: 14077.4
clock secs:7.1036e-05(=71.036 usecs)  cpu secs:7e-05(=70 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 28.5799  number of operations per second: 14632.9
clock secs:6.8339e-05(=68.339 usecs)  cpu secs:6e-05(=60 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 41.2173  number of operations per second: 10551.6
clock secs:9.4772e-05(=94.772 usecs)  cpu secs:7e-05(=70 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 21.6322  number of operations per second: 2768.92
clock secs:0.000361152(=361.152 usecs)  cpu secs:8e-05(=80 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 143.561  number of operations per second: 9187.88
clock secs:0.000108839(=108.839 usecs)  cpu secs:0.00011(=110 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 261.008  number of operations per second: 8352.26
clock secs:0.000119728(=119.728 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 395.92  number of operations per second: 6334.73
clock secs:0.00015786(=157.86 usecs)  cpu secs:0.00014(=140 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 564.332  number of operations per second: 4514.65
clock secs:0.000221501(=221.501 usecs)  cpu secs:0.00017(=170 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 644.659  number of operations per second: 2578.64
clock secs:0.000387802(=387.802 usecs)  cpu secs:0.00022(=220 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 620.52  number of operations per second: 1241.04
clock secs:0.000805776(=805.776 usecs)  cpu secs:0.00012(=120 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 697.342  number of operations per second: 697.342
clock secs:0.00143402(=1434.02 usecs)  cpu secs:0.0001(=100 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 728.551  number of operations per second: 364.276
clock secs:0.00274517(=2745.17 usecs)  cpu secs:0.00024(=240 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 762.611  number of operations per second: 190.653
clock secs:0.00524514(=5245.14 usecs)  cpu secs:0.00032(=320 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 757.774  number of operations per second: 94.7218
clock secs:0.0105572(=10557.2 usecs)  cpu secs:0.00102(=1020 usecs)

Result for buffersize 16384 (average over 1000 operations):
kb/s: 459.585  number of operations per second: 28.7241
clock secs:0.034814(=34814 usecs)  cpu secs:0.00177(=1770 usecs)

Result for buffersize 32768 (average over 1000 operations):
kb/s: 697.474  number of operations per second: 21.7961
clock secs:0.0458798(=45879.8 usecs)  cpu secs:0.00334(=3340 usecs)

Result for buffersize 65536 (average over 1000 operations):
kb/s: 653.316  number of operations per second: 10.2081
clock secs:0.0979618(=97961.8 usecs)  cpu secs:0.00649(=6490 usecs)

Result for buffersize 131072 (average over 1000 operations):
kb/s: 539.787  number of operations per second: 4.21709
clock secs:0.23713(=237130 usecs)  cpu secs:0.01358(=13580 usecs)

Result for buffersize 262144 (average over 1000 operations):
kb/s: 516.564  number of operations per second: 2.01783
clock secs:0.495583(=495583 usecs)  cpu secs:0.02874(=28740 usecs)