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    SubjectRe: Scalability requirements for sysv ipc
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    On Sat, 2008-03-22 at 11:10 +0100, Manfred Spraul wrote:

    > Attached are my own testapps: one for sysv msg, one for sysv sem.
    > Could you run them? Taskset is done internally, just execute
    >
    > $ for i in 1 2 3 4;do ./psem $i 5;./pmsg $i 5;done

    2.6.22.18-cfs-v24-smp 2.6.24.3-smp
    Result matrix: (psem)
    Thread 0: 2394885 1: 2394885 Thread 0: 2004534 1: 2004535
    Total: 4789770 Total: 4009069
    Result matrix: (pmsg)
    Thread 0: 2345913 1: 2345914 Thread 0: 1971000 1: 1971000
    Total: 4691827 Total: 3942000


    Result matrix:
    Thread 0: 1613610 2: 1613611 Thread 0: 477112 2: 477111
    Thread 1: 1613590 3: 1613590 Thread 1: 485607 3: 485607
    Total: 6454401 Total: 1925437
    Result matrix:
    Thread 0: 1409956 2: 1409956 Thread 0: 519398 2: 519398
    Thread 1: 1409776 3: 1409776 Thread 1: 519169 3: 519170
    Total: 5639464 Total: 2077135


    Result matrix:
    Thread 0: 516309 3: 516309 Thread 0: 401157 3: 401157
    Thread 1: 318546 4: 318546 Thread 1: 408252 4: 408252
    Thread 2: 352940 5: 352940 Thread 2: 703600 5: 703600
    Total: 2375590 Total: 3026018
    Result matrix:
    Thread 0: 478356 3: 478356 Thread 0: 344738 3: 344739
    Thread 1: 241655 4: 241655 Thread 1: 343614 4: 343615
    Thread 2: 252444 5: 252445 Thread 2: 589298 5: 589299
    Total: 1944911 Total: 2555303


    Result matrix:
    Thread 0: 443392 4: 443392 Thread 0: 398491 4: 398491
    Thread 1: 443338 5: 443339 Thread 1: 398473 5: 398473
    Thread 2: 444069 6: 444070 Thread 2: 394647 6: 394648
    Thread 3: 444078 7: 444078 Thread 3: 394784 7: 394785
    Total: 3549756 Total: 3172792
    Result matrix:
    Thread 0: 354973 4: 354973 Thread 0: 331307 4: 331307
    Thread 1: 354966 5: 354966 Thread 1: 331220 5: 331221
    Thread 2: 358035 6: 358035 Thread 2: 322852 6: 322852
    Thread 3: 357877 7: 357877 Thread 3: 322899 7: 322899
    Total: 2851702 Total: 2616557




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