Preliminary Data
This is a data dump of a bunch of measurements (on a 2-cpu Xeon) until I get the time to sort them out.
Kernel version 700028 from Dec. 2006.
kernel |
GENERIC |
SMP |
on |
WITNESS |
on |
INVARIANTS |
on |
INDEX VALUES TEST BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 3139464.0 269.0 Double-Precision Whetstone 55.0 656.1 119.3 Execl Throughput 43.0 177.6 41.3 File Copy 1024 bufsize 2000 maxblocks 3960.0 22985.0 58.0 File Copy 256 bufsize 500 maxblocks 1655.0 6397.0 38.7 File Copy 4096 bufsize 8000 maxblocks 5800.0 70573.0 121.7 Pipe Throughput 12440.0 70284.0 56.5 Pipe-based Context Switching 4000.0 15731.8 39.3 Process Creation 126.0 1119.1 88.8 Shell Scripts (8 concurrent) 6.0 32.0 53.3 System Call Overhead 15000.0 77774.7 51.8 ========= FINAL SCORE 70.0
kernel |
GENERIC2 |
SMP |
on |
WITNESS |
off |
INVARIANTS |
off |
INDEX VALUES TEST BASELINE RESULT INDEX Dhrystone 2 using register variables 116700.0 3205621.7 274.7 Double-Precision Whetstone 55.0 654.8 119.1 Execl Throughput 43.0 303.3 70.5 File Copy 1024 bufsize 2000 maxblocks 3960.0 82663.0 208.7 File Copy 256 bufsize 500 maxblocks 1655.0 25473.0 153.9 File Copy 4096 bufsize 8000 maxblocks 5800.0 186140.0 320.9 Pipe Throughput 12440.0 241975.4 194.5 Pipe-based Context Switching 4000.0 46224.5 115.6 Process Creation 126.0 2571.1 204.1 Shell Scripts (8 concurrent) 6.0 53.0 88.3 System Call Overhead 15000.0 176856.4 117.9 ========= FINAL SCORE 153.8