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TeamRedMiner: Enabling R-mode

Miner guides
Last updated 2022-06-02 by Marius L

 
TeamRedMiner have released what they call "R-mode" for AMD cards. This will on some AMD gpus make it possible to run with a lower core clk, and then lower core undervolt, to save power, without loosing hashrate!

Its worth reading TeamRedMiner Ethash R-mode Tuning Guide but this expected behavior for the different GPUs:

- 6900XT/6800XT/6800: small powersave of -2-3W by lowering core clk, might not be worth the effort.

- 6700XT: good effect, 1000 MHz core enough for 1075 MHz mem clk.

- 6600XT: our tests indicate there is no real point using it, but we are waiting for more user feedback.

- 5700XT/5700: big winner. Core clk 1050-1075 MHz is now enough to sustain 56 MH/s. Can almost always run at sub-700mV core voltage.

- 5600XT: decent winner. Core clk 950 MHz supports 42 MH/s, core voltage can be dropped low.

- Radeon VII family: solid win, hashrate restored to original C-mode levels and slightly more, average boost 2-3 MH/s per gpu.

- Vega 56/64: a small hashrate boost and/or powersave from being able to use lower core clk. For 51-52 MH/s a core clk of 925-950 MHz is often enough.

Important! Please read the two following steps, or it will NOT work!


1. You will need to enable "Run as root" in the miners group config:


2. You will need to add --kernel_vm_mode=RR to your miner options (Found under Group Config in Simplemining).

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