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SubjectRe: Scalability requirements for sysv ipc
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On Sat, 2008-03-22 at 15:22 +0100, Manfred Spraul wrote:
> Mike Galbraith wrote:
> > Total: 4691827 Total: 3942000
> >
> Thanks. Unfortunately the test was buggy, it bound the tasks to the
> wrong cpu :-(
> Could you run it again? Actually 1 cpu and 4 cpus are probably enough.

Sure. (ran as before, hopefully no transcription errors)

2.6.22.18-cfs-v24-smp 2.6.24.3-smp
Result matrix: (psem)
Thread 0: 2395778 1: 2395779 Thread 0: 2054990 1: 2054992
Total: 4791557 Total: 4009069
Result matrix: (pmsg)
Thread 0: 2317014 1: 2317015 Thread 0: 1959099 1: 1959099
Total: 4634029 Total: 3918198


Result matrix:
Thread 0: 2340716 2: 2340716 Thread 0: 1890292 2: 1890293
Thread 1: 2361052 3: 2361052 Thread 1: 1899031 3: 1899032
Total: 9403536 Total: 7578648
Result matrix:
Thread 0: 1429567 2: 1429567 Thread 0: 1295071 2: 1295071
Thread 1: 1429267 3: 1429268 Thread 1: 1289253 3: 1289254
Total: 5717669 Total: 5168649


Result matrix:
Thread 0: 2263039 3: 2263039 Thread 0: 1351208 3: 1351209
Thread 1: 2265120 4: 2265121 Thread 1: 1351300 4: 1351300
Thread 2: 2263642 5: 2263642 Thread 2: 1319512 5: 1319512
Total: 13583603 Total: 8044041
Result matrix:
Thread 0: 483934 3: 483934 Thread 0: 514766 3: 514767
Thread 1: 239714 4: 239715 Thread 1: 252764 4: 252765
Thread 2: 270216 5: 270216 Thread 2: 253216 5: 253217
Total: 1987729 Total: 2041495


Result matrix:
Thread 0: 2260038 4: 2260039 Thread 0: 642235 4: 642236
Thread 1: 2262748 5: 2262749 Thread 1: 642742 5: 642743
Thread 2: 2271236 6: 2271237 Thread 2: 640281 6: 640282
Thread 3: 2257651 7: 2257652 Thread 3: 641931 7: 641931
Total: 18103350 Total: 5134381
Result matrix:
Thread 0: 382811 4: 382811 Thread 0: 342297 4: 342297
Thread 1: 382801 5: 382802 Thread 1: 342309 5: 342310
Thread 2: 376620 6: 376621 Thread 2: 343857 6: 343857
Thread 3: 376559 7: 376559 Thread 3: 343836 7: 343836
Total: 3037584 Total: 2744599




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