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Firepro w8100 rendering time problems in blender 2.77a

Question asked by edisto on Jul 17, 2016
Latest reply on Jul 20, 2016 by edisto

Operating System: Windows 10 Pro 64-bit
Processor: Intel(R) Core(TM) i7-5820K CPU @ 3.30GHz (12 CPUs), ~3.3GHz
Memory: 32768MB RAM
Card name: AMD Radeon (TM) R9 Fury Series
Card name: AMD FirePro W8100 (FireGL V)
Blender Version

Broken: 2.77a
Worked: 2.76b

Short description of error

When rendering cube in 2.76b with Hawaii(Firepro w8100) my render time is 2.19 seconds. When rendering a cube in 2.77a however the render time jumps to 23.11 seconds. Can't render bmw render test or anything intensive as it feels like it has crashed it takes so long.

 

Uinstalled the GPU drivers of both cards and installed previous driver for Firepro but still has issue. My Fury X has gotten a lot faster in 2.77a, being that a cube render went from 3.25 seconds in 2.76b to 1.2 seconds in 2.77a. So I'm not sure why the Firepro got that much slower.

 

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