NVIDIA Demonstrates GPU Processing at SIGGRAPH

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hardcore_player

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iray rendering engine use gpu rendering which takes much less time than mental ray in rendering a large scene with a great amount of details and light bounces in GPU Photorealistic Rendering .
i remember when it was tested for comparison between cpu and gpu render times on gtx 590, Quadero k5000 and a core i7 980x .
although gtx 590 can use cuda cores for rendering , it becomes extremely hot and unstable unlike the Quadro which is meant to be used in long render times .
but gpu rendering is great to test scenes and adjust you regular Mental Ray renderings for a physical correct look, though using a rendering engine like mental ray or vray is somehow better because you can tweak the look and speed of renderings on how you want it .
CPU support a wide range of instruction, including vector instructions. Also CPU cores can handle any loops and conditions. Compared to that GPU-s are much more limited. They can't really use conditions affecting many type of loops, and if they run out of tasks, they can't proceed to the next steps - but they are massively more cores compared to CPU , take for instance the old gtx 590 vs the newest intel corei7 4960x .
a 1024 cuda cores vs 6 cores comparison , the numbers can tell .
 

somebodyspecial

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Ghostery blocked all the vid crap for me ;) I all see is little blue ghosts...LOL.

Nice try toms.

Only the last one is playable (NOT from brightcove ad crap).
 

voltagetoe

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In my experices: Nvidia = generally somehow weirdly unresponsive system. On one workstation my SSD performance went significantly up when I took Nvidia out - no idea why. AMD cards don't cripple a PC - everything feels much snappier.
 

nikolajj

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In my experices: Nvidia = generally somehow weirdly unresponsive system. On one workstation my SSD performance went significantly up when I took Nvidia out - no idea why. AMD cards don't cripple a PC - everything feels much snappier.
It is posible, that your PSU can't handle it, or your cooling is crippling. Maybe your motherboard is too cheap. I don't know, but it is not allway that simple.
 

somebodyspecial

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GPU'S don't cripple SSD perf. You had other issues.
 

Draven35

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Sometimes. Sometimes not. You can make scenes that are faster on CPU than GPU. You can easily make scenes no GPU can load.
 
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