Cycles render darker and noisier
Closed, ResolvedPublic

Description

System Information
Win 10
I7-5820K
GTX780 ti (378.92)

Blender Version
Broken: 2.79.1 6859695 (last build)
Worked: 2.79 rc2 Official

Short description of error
When using emit light, the image is noisier and darker

Exact steps for others to reproduce the error
Open the file and render using Cycles (i'm using the cpu)

Image 1 : Using 2.79 rc2

Image 2 : Using last build 2.79.1 6859695