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This patch removes restriction on maximum number of simultaneous NVENC video encoding sessions imposed by Nvidia to consumer-grade GPUs.

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README.md

nvidia-patch

This patch removes restriction on maximum number of simultaneous NVENC video encoding sessions imposed by Nvidia to consumer-grade GPUs.

Main target operating system is GNU/Linux, but for Windows support see win.

Requirements:

x86_64 system architecture
GNU/Linux operating system
nvenc-compatible gpu (https://developer.nvidia.com/video-encode-decode-gpu-support-matrix#Encoder)
Nvidia driver. Patch available for:
- 375.39
- 390.77
- 390.87
- 396.24
- 396.26
- 396.37
- 396.54
- 410.48
- 410.57
- 410.73
- 410.78
- 410.79
- 410.93
- 410.104
- 415.18
- 415.25
- 415.27
- 418.30
- 418.43
- 418.56
- 418.74
- 430.09
- 430.14

Tested on Ubuntu 18.04 LTS (GNU/Linux 4.15.0-23-generic x86_64)

Synopsis

# bash ./patch.sh -h

SYNOPSIS
       patch.sh [OPTION]...

DESCRIPTION
       The patch for Nvidia drivers to increase encoder sessions

       -s    Silent mode (No output)
       -r    Rollback to original (Restore lib from backup)
       -h    Print this help message

Step-by-Step guide

Examples are provided for driver version 430.14. All commands are runned as root.

Download driver

https://international.download.nvidia.com/XFree86/Linux-x86_64/430.14/NVIDIA-Linux-x86_64-430.14.run

Install driver

mkdir /opt/nvidia && cd /opt/nvidia
wget https://international.download.nvidia.com/XFree86/Linux-x86_64/430.14/NVIDIA-Linux-x86_64-430.14.run
chmod +x ./NVIDIA-Linux-x86_64-430.14.run
./NVIDIA-Linux-x86_64-430.14.run

Check driver

nvidia-smi

Output should show no errors and details about your driver and GPU.

Patch driver

This patch performs backup of original file prior to making changes.

bash ./patch.sh

You're all set!

Rollback

If something got broken you may restore patched driver from backup:

bash ./patch.sh -r