NotCPUCores

NotCPUCores describes itself as a tool to help run work, play, and streaming without stutter; details are limited in the fetched page.

github.com/rcmaehl/NotCPUCores
NotCPUCores homepage screenshot

About NotCPUCores

NotCPUCores is a GUI for quick CPU resource assignment and priority adjustment, along with other minor tweaks. It is presented for work, play, and streaming use on Windows, with downloads offered under Releases including test builds.

The project notes these are simple adjustments users can make themselves. It states users may see marginal returns and slightly better stability of FPS but also more battery usage, and that there is no replacement for a hardware upgrade.

Key features

  • GUI for quick CPU resource assignment
  • Adjust process priority settings
  • Apply additional minor system tweaks
  • Download releases and test builds
  • Build from source using AutoIt
Best for: Windows users who want a GUI to adjust CPU assignment and process priority themselves.
Good for
  • Described as free and open source with permission to download and modify
  • Does same or similar tweaks as non-free alternatives with additional features
  • Provides GUI for making CPU and priority adjustments
Watch out for
  • May provide only marginal returns or slightly better FPS stability
  • Use may increase battery usage
  • Not a replacement for a hardware upgrade

NotCPUCores at a glance

Type
Open-source project
Pricing
Not confirmed. Check the site
Platforms
Windows
Open source
Not stated
Language
English
Last checked
Oct 5, 2026 · Online when checked
Listed
Oct 5, 2026

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NotCPUCores FAQ

What is NotCPUCores?
A GUI for quick CPU resource assignment and priority adjustment, along with other minor tweaks.
Is it worth using?
The project says these optimizers do simple tweaks users can do themselves, with possible marginal returns and more battery usage, and users should not pay for such tools.
How to build it from source code?
Install AutoIt Full Installation, get the source by zip download or git clone, then right-click NotCPUCores.au3 and select Compile Script for x64 or x86 to create NotCPUCores.exe.
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