Ryujinx Shader Caches [upd]
If the downloaded file is a cache.bin , copy it directly into the folder. If the download contains many smaller cache files, copy the entire contents into the vulkan folder.
Ryujinx shader caches are essential for a smooth, stutter-free Nintendo Switch emulation experience on PC. Since Ryujinx translates game code on the fly, it must "compile" shaders the first time they appear, which can cause annoying lags. 🕹️ What Are Shader Caches?