AMD RADEON PRO DUO (POLARIS) go 200% faster with "nighly" builds and SLOW with 2.79a/b #56109
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Reference: blender/blender#56109
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System Information
Intel(R) Core(TM) i7-5960X CPU @ 3.00GHz
AMD Radeon(TM) Pro Duo Polaris
64gb ram
Blender Version
Broken: 2.79a/b
Worked: 2.79.4 "nightly"
Hi guys, this is not an error, i just want to share our test here, and know how to get same speed in render (cycle GPU) using the official 2.79b.
With Amd cards (and nvidia also, but not with this huge difference) the nightly versions are really faster than the official release.
Using shift+z in 3dview with RADEON pro duo in official 2.79a or b the scenes is so slooowww compared with nightly.
But we need to use official version for plugins to work. There is any tips we can follow?
thanks guys.
Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps
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There are a number of optimizations in 2.79.4:
https://wiki.blender.org/wiki/Reference/Release_Notes/2.80/Cycles#Optimizations
These are simply not available in 2.79a/b, the only way to benefit from them is to use the newer version.
Changed status from 'Open' to: 'Archived'
Thanks !