There are two ways to find your shader cache files.
This is a "hack" that allows the game to continue running while shaders are being compiled in the background. yuzu shader cache
In modern video games (including Switch titles), a shader is a set of instructions that tells your GPU (Graphics Card) how to render lighting, shadows, water reflections, and textures. Every time you look at a new area, use a new ability, or a dynamic weather effect occurs, the game tries to compile a new shader on the fly. There are two ways to find your shader cache files