RHEL Kernel Performance Optimization, Characterization ... - Red Hat
RHEL Kernel Performance Optimization, Characterization ... - Red Hat
RHEL Kernel Performance Optimization, Characterization ... - Red Hat
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Linux at 16cpus quadcore and beyondRecognizes differences betweenlogical and physical processorsSocket 0Core 0Thread 0 Thread 1●I.E. Multicore, hyperthreaded &chips/socketsOptimizes process schedulingCore 1Thread 0 Thread 1Socket 1Thread 0 Thread 1Socket 2to take advantage of sharedonchip cache, and NUMA memory nodesImplements multilevel run queuesfor sockets and cores (asProcessProcessProcessProcessProcessProcessopposed to one run queueper processor or per system)●Strong CPU affinity avoidstask bouncingProcessProcessProcessProcessProcessProcess●Requires system BIOS to report CPUtopology correctlyScheduler Compute Queues