Simulate is more than twice as slow than regular play in the editor.

General Issues and Bug Reporting (Unreal Engine)
1

Summary

Simulate is more than twice as slow than regular play in the editor.

What Type of Bug are you experiencing?

Editor

Steps to Reproduce

any empty scene check fps by hitting simulate vs play.

Expected Result

should be near identical.

Observed Result

fps on simualte is 30 - 40 while on play its 120 fps +

Affects Versions

5.8

Platform(s)

Windows

2

The same is happening to me. Between 100-120 fps in play mode and 30 in simulation mode

3

I have the same issue. For some reason, the following console command fixed the issue for me:
r.Editor.Viewport.InvalidateEachSIEFrame 0