2nd GPU Spiking Up and Down

Driver issues associated with the Windows 10 roll-out

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Rel25917
Posts: 303
Joined: Wed Aug 15, 2012 2:31 am

Re: 2nd GPU Spiking Up and Down

Post by Rel25917 »

Project 14564 has a low atom count for a gpu project, small units dont run very efficiently on big cards like 2080s.
PantherX
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Re: 2nd GPU Spiking Up and Down

Post by PantherX »

Out of curiosity, are all of your systems AMD or not? Are you seeing this behavior on Intel systems too?

On my GTX 18080 Ti, I haven't seen any spiky usage for Project 14563 (29,500 atoms) and Project 14561 (28,650 atoms) but Project 14564 (13,302 atoms) has about half atoms.
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PantherX
Site Moderator
Posts: 7020
Joined: Wed Dec 23, 2009 9:33 am
Hardware configuration: V7.6.21 -> Multi-purpose 24/7
Windows 10 64-bit
CPU:2/3/4/6 -> Intel i7-6700K
GPU:1 -> Nvidia GTX 1080 Ti
§
Retired:
2x Nvidia GTX 1070
Nvidia GTX 675M
Nvidia GTX 660 Ti
Nvidia GTX 650 SC
Nvidia GTX 260 896 MB SOC
Nvidia 9600GT 1 GB OC
Nvidia 9500M GS
Nvidia 8800GTS 320 MB

Intel Core i7-860
Intel Core i7-3840QM
Intel i3-3240
Intel Core 2 Duo E8200
Intel Core 2 Duo E6550
Intel Core 2 Duo T8300
Intel Pentium E5500
Intel Pentium E5400
Location: Land Of The Long White Cloud
Contact:

Re: 2nd GPU Spiking Up and Down

Post by PantherX »

Scratch that, I got Project 14564 on my system and have observed the "see-saw" GPU usage. Your system works fine :)
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Now ↞ Very Soon ↔ Soon ↔ Soon-ish ↔ Not Soon ↠ End Of Time

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MeeLee
Posts: 1375
Joined: Tue Feb 19, 2019 10:16 pm

Re: 2nd GPU Spiking Up and Down

Post by MeeLee »

Check your CPU frequency on the cores that are used for GPU feeding.
If below 3,5Ghz,
Try entering the BIOS, and changing automatic overclocking from all cores to individual cores.
I know that the 3950x on average runs between 2,7Ghz on all cores in eco mode, to 3,7Ghz in stock mode.
Changing that, will allow you to get higher boost frequencies on a few cores.
A 2080Ti needs more than 3 GHZ on the CPU on core 21. On core 22, I don't know, but chances are it needs more than 3,5 Ghz.
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