Questions tagged [numa]
The numa tag has no usage guidance.
6
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Number of NUMA nodes and CPU core selection for low latency systems
I use an AMD EPYC 9374F CPU with Ubuntu Server 23.04. My goal is having the lowest possible latency.
I am running 1 hot path thread in a core and 3 threads for other admin works. Depending on the NUMA ...
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How does multi cpu system shares pci-express bus?
For a modern single-cpu system things are transparent: there is multicore cpu, where cores are talking via uncore functions (like L3 cache, shared on-die memory controller). Uncore does also all the ...
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Information About Named Shared Memory in /dev/shm
Let's say I see a file called /dev/shm/some.segment
How can I find out (with command lines):
The processes that are linked to it?
The NUMA node it locates?
For #2, I can write a small C program ...
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Using vmware images with numa suppprt
I want to demonstrate Linux numa system with 2 virtual machine images running linux
What is the best way and the correct distribution to use?
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Is there a way to run a job exclusively on a chip?
We've got a bunch of large (1TB+) NUMA machines at work and have been getting a lot of noise in benchmarking. We've noticed that run times for our application are very consistent from one run to the ...
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How to create a NUMA topology in single system environment
I want to know if it possible to create a NUMA topology(2 NUMA nodes is also fine) in a single system environment (I'm using virtualbox ubuntu 18.04).
When I run $numactl -H, I see the following
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