Does Overclocking effect CUDA

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yumri4

Distinguished
Jan 26, 2012
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i am getting 2fps to 4fps renders when using CUDA on a 980. it is maxing out my memory speed but not going over a 1GB of VRAM. My core is around 66% taxed also.
Should i overclock my memory? and if so how do i overclock my memory in this card?

PS please no comments about me using a GeForce card for GPU compute
 
Solution
photonboy
Hey,
At BEST you can only achieve a time savings of the percent you overclock. So if you take 100 minutes to render and overclock the GPU or Video memory by 10% then you may save 10 minutes.

(It's extremely unlikely this would happen)

In reality your bottleneck may be more on the CPU side.

Most of the benchmarks I've seen show a gain with a GEFORCE card then rapidly diminishing returns with better cards indicating mostly a CPU limitation.
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techgeek

techgeek

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Apr 11, 2004
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The easiest way to overclock any portion of your graphics card is to use Afterburner. Just raise the memory clock. It's a slider and it works like an offset. So if you move the slider to 100MHz, it will add 100MHz to the default (for your card) speed of the memory.
 
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photonboy

photonboy

Titan
Jun 20, 2006
21,567
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Hey,
At BEST you can only achieve a time savings of the percent you overclock. So if you take 100 minutes to render and overclock the GPU or Video memory by 10% then you may save 10 minutes.

(It's extremely unlikely this would happen)

In reality your bottleneck may be more on the CPU side.

Most of the benchmarks I've seen show a gain with a GEFORCE card then rapidly diminishing returns with better cards indicating mostly a CPU limitation.
 
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