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Light Hash Rate (LHR) Video cards vs number crunching

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GolfSierra

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Message 72355 - Posted: 30 Mar 2022, 17:07:41 UTC

NVIDIA is offering many new cards with the LHR feature that is intended to slow down crypto mining and therefore make those cards undesireable for crypto miners.
Will LHR also have a negative effect on crunching numbers for MW@home, WCG or other distributed computing projects?
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Profile Keith Myers
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Message 72365 - Posted: 30 Mar 2022, 23:32:53 UTC - in response to Message 72355.  

No
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GolfSierra

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Message 72369 - Posted: 31 Mar 2022, 15:12:10 UTC - in response to Message 72365.  

No

Thanks,
and your answer is based on what?
Any more details to explain this, please?
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Profile HRFMguy

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Message 72377 - Posted: 31 Mar 2022, 18:37:31 UTC - in response to Message 72369.  

This might explain it: https://www.pcworld.com/article/395041/nvidia-lhr-explained-what-is-a-lite-hash-rate-gpu.html
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Profile Keith Myers
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Message 72383 - Posted: 31 Mar 2022, 19:59:15 UTC - in response to Message 72377.  

This might explain it: https://www.pcworld.com/article/395041/nvidia-lhr-explained-what-is-a-lite-hash-rate-gpu.html

Unless the LHR cards are running the ETHash mining algorithm of Ether, the Nvidia drivers do nothing to any other code running on the card.

The LHR mechanism looks specifically for the ETHash code. Since no project application contains any part of the ETHash code, all project applications or any other application other than ETH runs at full speed.

If you run any other mining algorithm like what is used in Ravencoin, Ergo, or Conflux, the cards will run at the full hashing rate with no penalty or reduction.
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GolfSierra

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Message 72419 - Posted: 1 Apr 2022, 17:26:48 UTC - in response to Message 72383.  

This might explain it: https://www.pcworld.com/article/395041/nvidia-lhr-explained-what-is-a-lite-hash-rate-gpu.html

Unless the LHR cards are running the ETHash mining algorithm of Ether, the Nvidia drivers do nothing to any other code running on the card.

The LHR mechanism looks specifically for the ETHash code. Since no project application contains any part of the ETHash code, all project applications or any other application other than ETH runs at full speed.

If you run any other mining algorithm like what is used in Ravencoin, Ergo, or Conflux, the cards will run at the full hashing rate with no penalty or reduction.


Thanks, got it.

I'm no miner, so LHR will never effect me.
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Message boards : Number crunching : Light Hash Rate (LHR) Video cards vs number crunching

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