wiki-grav/pages/02.linux/overclocking/cpu/default.en.md

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---
title: CPU
visible: true
---
[toc]
## Overclocking
*TODO* I have not yet looked for system-tools for overclocking
## Testing
> [More Testing Tools can be found on the ArchWiki](https://wiki.archlinux.org/title/Stress_testing?useskinversion=1)
### Prime95/Mprime
`$ mprime`
Select "No" when asked to join the distributed computing project
`16` for torture testing
Recommended test: `2`
This application includes hardware error checking. Output to the CLI as well as the logfile.
Check the file `results.txt`
### ffmpeg video encoding
This command encodes random noise with x265 and discards the resulting video
`$ ffmpeg -y -f rawvideo -video_size 1920x1080 -pixel_format yuv420p -framerate 60 -i /dev/urandom -c:v libx265 -preset placebo -f matroska /dev/null`
> [ArchWiki Source](https://wiki.archlinux.org/title/Stress_testing?useskinversion=1#Video_encoding)
### Stress
Stress is capable of testing CPU, memory, I/O and disks
Use `$ stress -c (threads)` to test the CPU