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Update P-State 0 information for NVIDIA
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valleyofdoom committed Nov 24, 2024
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> [!CAUTION]
> 📊 **Do NOT** blindly follow the recommendations in this section. **Do** benchmark the specified changes to ensure they result in positive performance scaling, as every system behaves differently and changes could unintentionally degrade performance ([instructions](/README.md#3-benchmarking)).
Force P-State 0 with the [registry key](https://github.com/djdallmann/GamingPCSetup/blob/master/CONTENT/RESEARCH/WINDRIVERS/README.md#q-is-there-a-registry-setting-that-can-force-your-display-adapter-to-remain-at-its-highest-performance-state-pstate-p0) below (reboot required). Ensure to change the driver key to the one that corresponds to the correct NVIDIA GPU ([example](/assets/images/find-driver-key-example.png)). This mitigates the undesirable delay to execute new instructions when the unit enters a deeper power-saving state at the expense of higher idle temperatures and power consumption.
Force P-State 0 with the [registry key](https://github.com/djdallmann/GamingPCSetup/blob/master/CONTENT/RESEARCH/WINDRIVERS/README.md#q-is-there-a-registry-setting-that-can-force-your-display-adapter-to-remain-at-its-highest-performance-state-pstate-p0) below (reboot required) and/or with [this method to minimize clock fluctuation](https://docs.google.com/document/d/14ma-_Os3rNzio85yBemD-YSpF_1z75mZJz1UdzmW8GE/edit). This mitigates the undesirable delay to execute new instructions when the unit enters a deeper power-saving state at the expense of higher idle temperatures and power consumption.
On some GPUs, the clock frequency may exceed what you have set by a small margin. Ensure to adjust the configured accordingly if applicable to avoid instability.
With the registry key below, on some GPUs the clock frequency may exceed what you have set by a small margin. Ensure to adjust the configured accordingly if applicable to avoid instability. Ensure to change the driver key to the one that corresponds to the correct NVIDIA GPU ([example](/assets/images/find-driver-key-example.png)).
```bat
reg add "HKLM\SYSTEM\CurrentControlSet\Control\Class\{4d36e968-e325-11ce-bfc1-08002be10318}\0000" /v "DisableDynamicPstate" /t REG_DWORD /d "1" /f
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