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Cuda Kernel Lib 5.0 Rendering in Blender Testbuild 2.71 is two times slower than Cuda 5.0 Rendering in Blender 2.70 why?
Closed, DuplicatePublic

Description

System Information
Operating system and graphics card

Intel i5 3350
8GB RAM
Nvidia 750Ti OC 2GB VRAM

Blender Version
Broken: (example: 2.71 c56bbcc, see splash screen)
Worked: (optional)

Short description of error

Blender Cycles is rendering two times faster in the older Cuda Kernel 5.0 Version? Blender Version 2.70 - 19e627c

Why?

The Cycles Cuda Kernel 5.0 Support in the Testbuild 2.71 version is two times slower.. that is unacceptable!

Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps

Details

Type
Bug

Event Timeline

- (alexgerman123) updated the task description. (Show Details)
- (alexgerman123) raised the priority of this task from to Needs Triage by Developer.
- (alexgerman123) added a project: BF Blender.
- (alexgerman123) set Type to Bug.
Thomas Dinges (dingto) closed this task as Invalid.May 27 2014, 1:15 PM
Thomas Dinges (dingto) claimed this task.

Check a new build, there was a important fix yesterday.

Also we already have a report about slower CUDA rendering, merging..

Thomas Dinges (dingto) changed the task status from Invalid to Duplicate.May 27 2014, 1:16 PM

✘ Merged into T40363.