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[4.6] Terrible rendering performance in (Test / Shipping) vs Debug

(This is copy of my forum thread, located here, but now on the AnswerHub for support).

We're spawning in a few thousand basic cubes at runtime, and have fantastic performance running a DebugGame build out of Visual Studio (with a debugger attached, no less!), but running the "Test" build configuration (both Win32 and Win64), which is like a shipped build but with profiling enabled, we get horrible render performance - fps: 200 vs ~20.

Why is there such terrible performance in what should be the superior build configuration? The render thread and GPU are getting totally hammered!


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asked Mar 11 '15 at 11:49 PM in Rendering

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avatar image brennus May 28 '15 at 08:08 AM

Hi, We have the same issue with unreal 4.7: a shipped build runs slower than a development build. Any idea ? Thanks.

avatar image Tessera Studios Apr 26 '18 at 05:19 PM

We are having the same issue on UE4.16.3, on Development GPU is 16ms, while on shipping build is on 22ms!!??

We need help with this please!

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