Description

Sumo Digital Ltd. has reported that the synthetic benchmark has skewed GPUIndex scores when changing graphics scalability settings (i.e. r.LumenScreenProbeGather.DownsampleFactor). They are currently using the benchmark to setup sensible settings for a title they are shipping soon.

Steps to Reproduce

Use these console commands inside the editor:

 

r.Lumen.ScreenProbeGather.DownsampleFactor 16

r.Lumen.ArGlobalTraceDistance 160000

r.Lumen.ArGlobalFinalGatherQuality 8

 

SynthBenchmark

 

r.Lumen.ScreenProbeGather.DownsampleFactor 32

r.Lumen.ArGlobalTraceDistance 40000

r.Lumen.ArGlobalFinalGatherQuality 2

 

SynthBenchmark

 

Examine the log file to view the results.

Have Comments or More Details?

There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-250125 in the post.

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Backlogged
ComponentUE - Rendering Architecture - RHI
Affects Versions5.4
Target Fix5.6
CreatedFeb 19, 2025
UpdatedFeb 19, 2025
View Jira Issue