17 May 2022
Valencia, Spain
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Tuesday, May 17 • 14:55 - 15:05
Get More Computing Power by Helping the OS Scheduler - Antti Kervinen, Intel & Alexander Kanevskiy, Intel

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When Linux schedules a thread on a CPU core, there is no guarantee which memories the thread will access. If the workload is lucky, the thread will use data that is already in CPU caches or in a memory that is close to the CPU core. But if not, millions of memory operations need to travel a longer way to reach the physical memory. Yet this may sound too low-level to be controllable and make a difference, you can easily help the scheduler running Kubernetes workloads, and make a big difference! Antti and Sasha show how to get a lot more computing power out of your CPUs by adding CRI Resource Manager (CRI-RM) on your Kubernetes nodes. CRI-RM affects process scheduling and memory locality by dynamically managing CPU and memory pinning of all Kubernetes containers on the node. In case studies CRI-RM has given major improvements in database and AI training performances without any workload-specific configurations or changes to upstream Kubernetes components.

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avatar for Antti Kervinen

Antti Kervinen

Cloud Orchestration Software Engineer, Intel
Antti Kervinen is a Cloud Orchestration Software Engineer working at Intel, whose interest in Linux and distributed systems has led him from academic research of concurrency to the world of Kubernetes. When unplugged, Antti spends his time outdoors discovering wonders of nature.
avatar for Alexander Kanevskiy

Alexander Kanevskiy

Principal Engineer, Cloud Software, Intel
Alexander is currently employed by Intel as Principal Engineer, Cloud Software, focusing on various aspects in Kubernetes: Resource Management, Device plugins for hardware accelerators, Cluster Lifecycle and Cluster APIs. Alexander has over 25+ years of experience in areas of Linux... Read More →

Tuesday May 17, 2022 14:55 - 15:05 CEST
Room 4F | Event Center