Samsung 64GB SSD (SLC) from Lenovo ThinkPad X300
Code:
/dev/ad4
512 # sectorsize
64023257088 # mediasize in bytes (60G)
125045424 # mediasize in sectors
124053 # Cylinders according to firmware.
16 # Heads according to firmware.
63 # Sectors according to firmware.
SE815K0462 # Disk ident.
I/O command overhead:
time to read 10MB block 0.118183 sec = 0.006 msec/sector
time to read 20480 sectors 1.747203 sec = 0.085 msec/sector
calculated command overhead = 0.080 msec/sector
Seek times:
Full stroke: 250 iter in 0.046148 sec = 0.185 msec
Half stroke: 250 iter in 0.045511 sec = 0.182 msec
Quarter stroke: 500 iter in 0.091325 sec = 0.183 msec
Short forward: 400 iter in 0.072594 sec = 0.181 msec
Short backward: 400 iter in 0.073381 sec = 0.183 msec
Seq outer: 2048 iter in 0.234476 sec = 0.114 msec
Seq inner: 2048 iter in 0.231109 sec = 0.113 msec
Transfer rates:
outside: 102400 kbytes in 1.148034 sec = 89196 kbytes/sec
middle: 102400 kbytes in 1.156049 sec = 88578 kbytes/sec
inside: 102400 kbytes in 1.178575 sec = 86885 kbytes/sec