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Question by SAS41 · Jun 07, 2018 at 10:07 PM · performanceglowtroubleshooting

Significant fps drop in scenes with glow effects, only on one machine.

Hello,
I am both a developer and a gamer, I recently ran in to a problem with Unity and Unity based games where if a scene contains any kind of glow effect, the frame rate would just drop to single digits, I haven't been able to figure out what the problem is exactly, however I do know that the problem seems specific to my configuration.


My desktop pc has an i5 3470 paired with a GTX 660.
My laptop has a i3 3110m paired with a Radeon HD 4770M.


The raw performance difference between these two GPUs is clear, however, the GTX 660 maxes out with a much lower framerate than the mobile GPU.


Two most recent commercial examples have been Stick Fight and Totally Accurate Battlegrounds


There have probably been other cases, but these two had the most significant jumps in performance, even within the same scene simply brining a glowing object in to view would kill the frame rate and removing it from the viewport would restore it.


EDIT 1: I have already used DDU and reinstalled my GPU drivers, have disabled the iGPU and updated my drivers and OS.


Here are two screenshots from these games showing what I am talking about in terms of the glow effect.


Stich Fight Example

Totally Accurate Battlegrounds Example

totally-accurate-battlegrounds.jpg (361.8 kB)
stickfight.jpg (174.1 kB)
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