PSOs are meant to make rendering more efficient, allowing dozens of parameters, including shaders, to be interfaced between the API and the GPU in a single package.

In recent graphics APIs like Vulkan and DirectX 12, packages known as Pipeline State Objects (PSOs) are leveraged to tell the game about the state of your GPU. You’ll typically hear about shader compilation stuttering, but recent sources of hitches aren’t due to individual shaders. We’ve seen it over and over again, from Star Wars Jedi: Fallen Order to Stray to Gotham Knights, and they all have the same issue in common. Over the past few years, Unreal Engine has become synonymous with stuttering. Remember the stutter These frame time spikes manifest as severe stutters in Gotham Knights. With the new release, Epic is finally tackling the problem head-on, so I thought it was high time to break down why Unreal games so commonly show stutter, what Epic is doing to solve the problem, and when we can expect to see those efforts show up in new releases.

Unreal Engine games, rightly or wrongly, have been associated with stuttering and hitches over the past few years.

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