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Hardware Locality: Peering under the hood of your server

Brice Goglin 1, 2 Jeffrey Squyres 3 Samuel Thibault 1, 2
2 RUNTIME - Efficient runtime systems for parallel architectures
Inria Bordeaux - Sud-Ouest, UB - Université de Bordeaux, CNRS - Centre National de la Recherche Scientifique : UMR5800
Abstract : Internal server topology is getting more and more complex; understanding where your processes are running in your server can have a major impact on overall system performance. You just replaced your creaky, old, periodically-reboots-for-no-reason server with a shiny, modern server. The new hotness has faster disks (and more of them), 4x the amount of RAM, and is generally all around mo'bettah. Woo hoo! But are you getting all the performance that you should? Exactly where is all that memory that you got, anyway? Do you know how big your shiny new L1, L2, and L3 caches are, and how they are shared across processor cores and sockets?
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Contributor : Brice Goglin Connect in order to contact the contributor
Submitted on : Friday, June 3, 2011 - 9:06:34 AM
Last modification on : Monday, December 20, 2021 - 4:50:12 PM


  • HAL Id : inria-00597961, version 1



Brice Goglin, Jeffrey Squyres, Samuel Thibault. Hardware Locality: Peering under the hood of your server. Linux Pro Magazine, Linux New Media USA, LLC, 2011, pp.28-33. ⟨inria-00597961⟩



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