"SGeier" <som### [at] somewherecom> wrote:
> "nemesis" <nam### [at] gmailcom> wrote in message
> news:web.4dca6b54eed3d57a9a1bcfb90@news.povray.org...
> > "Tamas Gunda" <gen### [at] yahoocom> wrote:
> >> When checking the CPU and graphics card performances, temperatures etc.
> >> while a
> >> picture is being rendered I realized that when the render window is
> >> hidden or
> >> POVray is minimized, the GPU is still working with full throttle. CPU is
> >> always
> >> about 100%, this is OK. But why the GPU, too? I'm not an expert of
> >> hardware so
> >> sorry for the question.
>
> The obvious questions in my head would be:
>
> 1) How are you measuring GPU utilization (and could that method be misled
> somehow) and
> 2) What else is running on your computer (i.e. what happens when POV-Ray is
> off)
>
> > Surely some mistake.  Everyone knows povray is a CPU-only math surfaces
> > raytracer and GPU is just for games...
>
> No.

I use the Open Hardware Monitor utility (http://openhardwaremonitor.org/) that
among others shows the CPU and GPU performances, etc. When POVray is rendering,
the GPU temperature clearly raises by about 15 deg.

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