Messages in this thread | | | Date | Wed, 21 Dec 2005 14:38:07 +0100 | From | Eric Dumazet <> | Subject | Re: [POLL] SLAB : Are the 32 and 192 bytes caches really usefull on x86_64 machines ? |
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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 ?)
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