Result for buffersize 1 (average over 1000 operations):
kb/s: 0.665362  number of operations per second: 681.331
clock secs:0.00146772(=1467.72 usecs)  cpu secs:0.00036(=360 usecs)

Result for buffersize 2 (average over 1000 operations):
kb/s: 1.3482  number of operations per second: 690.28
clock secs:0.00144869(=1448.69 usecs)  cpu secs:0.0004(=400 usecs)

Result for buffersize 4 (average over 1000 operations):
kb/s: 2.6807  number of operations per second: 686.26
clock secs:0.00145717(=1457.17 usecs)  cpu secs:0.00031(=310 usecs)

Result for buffersize 8 (average over 1000 operations):
kb/s: 5.39965  number of operations per second: 691.155
clock secs:0.00144685(=1446.85 usecs)  cpu secs:0.00038(=380 usecs)

Result for buffersize 16 (average over 1000 operations):
kb/s: 8.00635  number of operations per second: 512.406
clock secs:0.00195158(=1951.58 usecs)  cpu secs:0.00034(=340 usecs)

Result for buffersize 32 (average over 1000 operations):
kb/s: 19.9477  number of operations per second: 638.325
clock secs:0.0015666(=1566.6 usecs)  cpu secs:0.00037(=370 usecs)

Result for buffersize 64 (average over 1000 operations):
kb/s: 38.829  number of operations per second: 621.264
clock secs:0.00160962(=1609.62 usecs)  cpu secs:0.00047(=470 usecs)

Result for buffersize 128 (average over 1000 operations):
kb/s: 79.2687  number of operations per second: 634.15
clock secs:0.00157692(=1576.92 usecs)  cpu secs:0.00051(=510 usecs)

Result for buffersize 256 (average over 1000 operations):
kb/s: 135.249  number of operations per second: 540.997
clock secs:0.00184844(=1848.44 usecs)  cpu secs:0.00041(=410 usecs)

Result for buffersize 512 (average over 1000 operations):
kb/s: 252.782  number of operations per second: 505.564
clock secs:0.00197799(=1977.99 usecs)  cpu secs:0.00061(=610 usecs)

Result for buffersize 1024 (average over 1000 operations):
kb/s: 412.849  number of operations per second: 412.849
clock secs:0.00242219(=2422.19 usecs)  cpu secs:0.0006(=600 usecs)

Result for buffersize 2048 (average over 1000 operations):
kb/s: 563.747  number of operations per second: 281.873
clock secs:0.00354769(=3547.69 usecs)  cpu secs:0.0008(=800 usecs)

Result for buffersize 4096 (average over 1000 operations):
kb/s: 718.502  number of operations per second: 179.625
clock secs:0.00556714(=5567.14 usecs)  cpu secs:0.00093(=930 usecs)

Result for buffersize 8192 (average over 1000 operations):
kb/s: 806.274  number of operations per second: 100.784
clock secs:0.00992218(=9922.18 usecs)  cpu secs:0.00136(=1360 usecs)