Significant FPS drop after 4.1 patch

I got the reply from .
This allowed me to select my Intel HD as D3D11 Device instead of the software:
My test level FPS up from 1-3FPS to 70FPS on Low Quality and 20FPS on Epic Quality.
Just like the old UE4.0.2
Big thanks.

Add these lines to MyProject\Config\DefaultEngine.ini

[SystemSettings]

r.GraphicAdapter=-2

Here’s the snipped on the log after the changes:

LogD3D11RHI: Found D3D11 adapter 0: Intel(R) HD Graphics Family (Feature Level 11_0)

LogD3D11RHI: Adapter has 0MB of dedicated video memory, 0MB of dedicated system memory, and 1792MB of shared system memory

LogD3D11RHI: Found D3D11 adapter 1: Microsoft Basic Render Driver (Feature Level 11_0)

LogD3D11RHI: Adapter has 0MB of dedicated video memory, 0MB of dedicated system memory, and 256MB of shared system memory

LogD3D11RHI: Chosen D3D11 Adapter Id = 0