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SubjectRe: [S+Q2 00/19] SLUB with queueing (V2) beats SLAB netperf TCP_RR
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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