CPU model            : Intel(R) Xeon(R) CPU E31220 @ 3.10GHz
Number of cores      : 4
CPU frequency        : 3092.938 MHz
Total amount of ram  : 3939 MB
Total amount of swap : 0 MB
System uptime        :  188 days, 7:48,

SYNC: 457 msec

4k, 262144 times
262144+0 records in
262144+0 records out
1073741824 bytes (1.1 GB) copied, 10.5409 s, 102 MB/s
SYNC: 1142 msec

8k, 131072 times
131072+0 records in
131072+0 records out
1073741824 bytes (1.1 GB) copied, 10.4752 s, 103 MB/s
SYNC: 793 msec

16k, 65536 times
65536+0 records in
65536+0 records out
1073741824 bytes (1.1 GB) copied, 10.2123 s, 105 MB/s
SYNC: 710 msec

32k, 32768 times
32768+0 records in
32768+0 records out
1073741824 bytes (1.1 GB) copied, 11.2605 s, 95.4 MB/s
SYNC: 692 msec

64k, 16384 times
16384+0 records in
16384+0 records out
1073741824 bytes (1.1 GB) copied, 9.67058 s, 111 MB/s
SYNC: 723 msec

128k, 8192 times
8192+0 records in
8192+0 records out
1073741824 bytes (1.1 GB) copied, 10.2441 s, 105 MB/s
SYNC: 876 msec

256k, 4096 times
4096+0 records in
4096+0 records out
1073741824 bytes (1.1 GB) copied, 10.776 s, 99.6 MB/s
SYNC: 1335 msec

16k, 65536 times, 4 parallel
65536+0 records in
65536+0 records out
1073741824 bytes (1.1 GB) copied, 39.324 s, 27.3 MB/s
65536+0 records in
65536+0 records out
1073741824 bytes (1.1 GB) copied, 39.2526 s, 27.4 MB/s
65536+0 records in
65536+0 records out
1073741824 bytes (1.1 GB) copied, 39.324 s, 27.3 MB/s
65536+0 records in
65536+0 records out
1073741824 bytes (1.1 GB) copied, 39.324 s, 27.3 MB/s
SYNC: 582 msec

8k, 65536 times, 8 parallel
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0401 s, 13.8 MB/s
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0311 s, 13.8 MB/s
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0494 s, 13.7 MB/s
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0449 s, 13.8 MB/s
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0494 s, 13.7 MB/s
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0496 s, 13.7 MB/s
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0494 s, 13.7 MB/s
65536+0 records in
65536+0 records out
536870912 bytes (537 MB) copied, 39.0421 s, 13.8 MB/s
SYNC: 666 msec