Couple of things to try:
-Are you using Asynchronus ubershaders with precompile shaders turned on?
-Try the latest dev build
-Are you using the Vulkan or OpenGL backend? Vulkan should be faster
-Are you running at 1x Internal Resolution?
-Are you using Asynchronus ubershaders with precompile shaders turned on?
-Try the latest dev build
-Are you using the Vulkan or OpenGL backend? Vulkan should be faster
-Are you running at 1x Internal Resolution?

