| Date | Thu, 15 Jul 2010 15:17:23 -0500 (CDT) | From | Christoph Lameter <> | Subject | Re: [S+Q2 00/19] SLUB with queueing (V2) beats SLAB netperf TCP_RR |
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On Wed, 14 Jul 2010, David Rientjes wrote:
> There are a couple differences between how you're using it compared to how > I showed the initial regression between slab and slub, however: you're > using localhost for your netserver which isn't representative of a real > networking round-robin workload and you're using a smaller system with > eight cores. We never measured a _significant_ performance problem with > slub compared to slab with four or eight cores, the problem only emerges > on larger systems.
Larger systems would more NUMA support than is present in the current patches.
> When running this patchset on two (client and server running > netperf-2.4.5) four 2.2GHz quad-core AMD processors with 64GB of memory, > here's the results:
What is their NUMA topology? I dont have anything beyond two nodes here.
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