PapaTutuWawa/gpu-screen-recorder
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dec05eba 2023-03-17 18:32:24 +01:00
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README.md
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@ -20,7 +20,7 @@ When recording GTA V at 4k on highest settings, fps drops from 60 to 23 when usi
It is recommended to save the video to a SSD because of the large file size, which a slow HDD might not be fast enough to handle. It is recommended to save the video to a SSD because of the large file size, which a slow HDD might not be fast enough to handle.
## Note about optimal performance on NVIDIA ## Note about optimal performance on NVIDIA
NVIDIA driver has a "feature" (read: bug) where it will downclock memory transfer rate when a program uses cuda, such as GPU Screen Recorder. To work around this bug, GPU Screen Recorder can overclock your GPU memory transfer rate to it's normal optimal level.\ NVIDIA driver has a "feature" (read: bug) where it will downclock memory transfer rate when a program uses cuda, such as GPU Screen Recorder. To work around this bug, GPU Screen Recorder can overclock your GPU memory transfer rate to it's normal optimal level.\
To enable overclocking for optimal performance use the `-oc` option when running GPU Screen Recorder. You also need to have "Coolbits" NVIDIA X setting set to "12". This setting is automatically installed if you run the install script (`install.sh` or `install_ubuntu.sh`), however if you use flatpak then you need to manually run `install_coolbits.sh` and then reboot your computer.\ To enable overclocking for optimal performance use the `-oc` option when running GPU Screen Recorder. You also need to have "Coolbits" NVIDIA X setting set to "12" to enable overclocking. This setting is automatically installed if you run the install script (`install.sh` or `install_ubuntu.sh`), however if you use flatpak then you need to manually run `install_coolbits.sh` and then reboot your computer.\
Note that this only works when Xorg server is running as root, and using this option will only give you a performance boost if the game you are recording is bottlenecked by your GPU.\ Note that this only works when Xorg server is running as root, and using this option will only give you a performance boost if the game you are recording is bottlenecked by your GPU.\
Obs! use at your own risk! Obs! use at your own risk!

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src/overclock.c
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// Fields are 0 if not set // Fields are 0 if not set
static min_int(int a, int b) {
return a < b ? a : b;
}
typedef struct { typedef struct {
int perf; int perf;