Enabling G-SYNC
For better performance and to keep up with the high refresh rate of Holoscan applications, we recommend the use of a G-SYNC display.
Holoscan has been tested with these two G-SYNC displays:
Follow these steps to ensure G-SYNC is enabled on your display:
Open the “NVIDIA Settings” Graphical application (
nvidia-settings
in Terminal).Click on
X Server Display Configuration
then theAdvanced
button. This will show theAllow G-SYNC on monitor not validated as G-SYNC compatible
option. Enable the option and clickApply
:
![gsync_x_server_enable.png](https://docscontent.nvidia.com/dims4/default/32871bc/2147483647/strip/true/crop/771x880+0+0/resize/771x880!/quality/90/?url=https%3A%2F%2Fk3-prod-nvidia-docs.s3.us-west-2.amazonaws.com%2Fbrightspot%2Fsphinx%2F00000191-150d-d8c5-a1f1-953f0ab50000%2Fholoscan%2Farchive%2F2.2.0%2F_images%2Fgsync_x_server_enable.png)
Fig. 1 Enable G-SYNC for the current display
To show the refresh rate and G-SYNC label on the display window, click on
OpenGL Settings
for the selected display. Now clickAllow G-SYNC/G-SYNC Compatible
andEnable G-SYNC/G-SYNC Compatible Visual Indicator
options and clickQuit
. This step is shown in below image. TheGsync
indicator will be at the top right screen once the application is running.
![gsync_opengl_settings.png](https://docscontent.nvidia.com/dims4/default/42a1c88/2147483647/strip/true/crop/668x485+0+0/resize/668x485!/quality/90/?url=https%3A%2F%2Fk3-prod-nvidia-docs.s3.us-west-2.amazonaws.com%2Fbrightspot%2Fsphinx%2F00000191-150d-d8c5-a1f1-953f0ab50000%2Fholoscan%2Farchive%2F2.2.0%2F_images%2Fgsync_opengl_settings.png)
Fig. 2 Enable Visual Indicator for the current display