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    SubjectRe: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ?
    Folkert van Heusden a écrit :

    >
    >
    > size-131072 0 0 131072
    > size-65536 0 0 65536
    > size-32768 20 20 32768
    > size-16384 8 9 16384
    > size-8192 37 38 8192
    > size-4096 269 269 4096
    > size-2048 793 910 2048
    > size-1024 564 608 1024
    > size-512 702 856 512
    > size-256 1485 4005 256
    > size-128 1209 1350 128
    > size-64 2858 3363 64
    > size-32 1538 2714 64
    > Intel(R) Xeon(TM) MP CPU 3.00GHz
    > address sizes : 40 bits physical, 48 bits virtual
    >
    >
    > Folkert van Heusden

    Hi Folkert

    Your results are interesting : size-32 seems to use objects of size 64 !

    > size-32 1538 2714 64 <<HERE>>

    So I guess that size-32 cache could be avoided at least for EMT (I take you
    run a 64 bits kernel ?)

    Eric
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