Beforehand we tried unlocking Nvidia's LHR graphics playing cards utilizing T-Rex. You'll be able to examine this experiment and its ends in the devoted article. And if you wish to learn to unlock LHR playing cards with Gminer, comply with this hyperlink.
The Origins of LHR Graphics Playing cards. Nvidia RTX 3060
At CES in January 2021, NVIDIA introduced the GeForce RTX 3060. This latest GeForce RTX graphics card was speculated to be launched on the finish of February 2021.
NVIDIA revealed the takeaways of the presentation on the official web site on January 12, 2021, within the article titled “NVIDIA Ampere Structure for Each Gamer: GeForce RTX 3060 Accessible Late February, At $329.”
You’ll be able to learn the total article by following the hyperlink.
For the reason that announcement of the GeForce RTX 3060, some media retailers revealed rumors about these GPUs being doubtlessly restricted in hash fee. In mid-February 2021, this data nonetheless hadn’t been confirmed.
On February 18, 2021, NVIDIA formally introduced that they'd halve the hash fee for the GeForce RTX 3060 within the article titled "GeForce Is Made for Gaming, CMP Is Made to Mine".
Precisely three months later, on Might 18, 2021, NVIDIA revealed one other article of their weblog titled “A Additional Step to Getting GeForce Playing cards into the Fingers of Players.” The article talks about reducing the hash fee on Ethash for the newly constructed GPUs: GeForce RTX 3080, 3070, and 3060 Ti, to make them much less interesting for miners. These fashions grew to become accessible on the finish of Might 2021 and have been marked with a “Lite Hash Fee” or “LHR” identifier.
Proper after this publish, specialists began actively discussing the time period "LHR". You'll be able to learn the total article right here.
On Might 31, 2021, NVIDIA introduced the GeForce RTX 3080 Ti and GeForce RTX 3070 Ti. You’ll be able to learn the total announcement right here.
NVIDIA didn’t make any official assertion concerning LHR in these GPUs. Nevertheless, rumors about their restricted hash fee on Ethash began circulating even earlier than the announcement. After the official launch and testing, it was confirmed that the GeForce RTX 3080 Ti and GeForce RTX 3070 Ti had restricted hash fee.
Check Rig Specs
The take a look at rig consisted of the next elements:
- Motherboard: BIOSTAR Hello-Fi B85S2
- CPU: Intel Pentium G3220
- Show: Intel HD Graphics
- Reminiscence: DDR3 SDRAM Kingston 4GB
- HDD: Seagate Barracuda 7200.12 160Gb
- PSU: EVGA 1000 GQ 80+ GOLD 1000W
- GPU: EVGA GeForce RTX 3080 Ti FTW3 ULTRA GAMING (1800 MHz Increase Clock, Reminiscence Clock 19000 MHz (efficient), TPD: 350 Watts)
- Two GPUs have been linked to the motherboard, every by the riser PCI-E X16-X1.
- OS: Home windows 10
- Nvidia’s driver: 471.68, 472.12
- Overclocking: MSI Afterburner 4.6.4 Beta 3
- Monitoring: GPU-Z
Testing was held indoors with the room temperature at +15 °C (59 °F).
We used PhoenixMiner to estimate the max hash fee for the RTX 3080 Ti on Ethash and Etchash algorithms. We launched the mining program on our rig with the next GPU settings: PL(%): 70, CC(MHz): +0, MC(MHz): +1000.
Proper after the launch, this system estimated a hash fee on Ethash at ~116 Mh/s, however after two minutes it settled at ~64 Mh/s.
Due to pretesting, we estimated a possible hash fee, with out LHR lock, on Ethash and Etchash and confirmed that LHR lock results in a ~45% hash fee lower.
Testing lolMiner on Nvidia LHR
lolMiner is a well-liked mining program created by the developer often called Lolliedieb. lolMiner’s first model was launched on October 28, 2018, and it supported solely AMD graphics playing cards and a restricted variety of mining algorithms. At present the miner is being actively developed, and it helps quite a lot of algorithms: Ethash, Etchash, ZelHash, Equihash, Cuckoo, Cuckaroo, Cuckatoo, Autolykos, and BeamHash.
The miner helps NVIDIA and AMD and works on Home windows and Linux.
lolMiner’s builders continually communicate with their customers on common platforms and thru social media channels.
Github: https://github.com/Lolliedieb/lolMiner-releases/releases
Telegram: 2Miners pool chat
We used lolMiner 1.32a to estimate the max hash fee for the RTX 3080 Ti with LHR lock on Ethash. Then we launched the mining program on our rig with the next GPU settings: PL(%): 55, CC (MHz): +0, MC (MHz): +1000.
The miner estimated a hash fee on Ethash at ~63 Mh/s. Reminiscence Controller Load, GPU Load, and Board Energy Draw charts have been steady, with out vital leaps. Reminiscence Controller Load was 66%.
Then we launched the mining program on our rig with the next GPU settings: PL(%): 55, CC (MHz): +0, MC (MHz): +1300.
The miner estimated a hash fee on Ethash at ~65 Mh/s. Reminiscence Controller Load, GPU Load, and Board Energy Draw charts have been steady, with out vital leaps. Reminiscence Controller Load was 66%.
In consequence, we estimated the hash fee and confirmed that the GPU hash fee with LHR lock is ~64–66 Mh/s.
It is essential to notice that MSI Afterburner indexes GPUs ranging from GPU 1, whereas within the log file and mining program GPUs are listed ranging from GPU 0. On this article we point out graphics playing cards as GPU 1 and GPU 2 more often than not, aside from a number of events once we point out the info from the log file or the mining program.
LHR Unlock with lolMiner 1.32a
On September 12, 2021, the builders introduced lolMiner 1.32a. This was the primary model with the partial LHR unlock. It featured new miner parameters and working modes.
You’ll be able to obtain the miner and be taught extra about it right here.
Click on right here to open the setup information for various working modes: “Nvidia Mode Change & LHR Semi Unlock”.
The outline of this miner model says that the builders ran most pre-release assessments on Linux methods with particular video drivers. Nevertheless, we determined to check the miner on Home windows.
After studying the Nvidia Mode Change & LHR Semi Unlock information, we selected the most effective modes for our take a look at rig: LHR2 and LHRLP.
mode LHR2
We launched the mining program on our rig with the next GPU settings: PL(%): 70, CC(MHz): +0, MC(MHz): +1200.
Bat file:
lolMiner.exe --algo ETHASH --pool eth.2miners.com:2020 --user WALLET_ADDRESS.RIG_3080Ti --mode LHR2 --tstop 70 --tstart 50 --log on --logfile log_lolMiner_RIG_3080Ti_mode_LHR2.txt --timeprint on --longstats 30 --statsformat gpuName,velocity,poolHr,shares,sharesPerMin,bestShares,energy,hrPerWatt,coreT,juncT,memT,coreClk,memClk,fanPct
pause
The miner estimated a hash fee on Ethash at ~50 Mh/s. The hash fee didn’t develop. Reminiscence Controller Load, GPU Load, and Board Energy Draw charts, in addition to different Energy charts, confirmed slight parameter instability. Reminiscence Controller Load was 66%.
After reviewing the log file, we established that LHR lock received activated on the DAG technology stage:
GPU 0: detected mining lock - making an attempt to enhance efficiency...
GPU 1: DAG construct full 100%
GPU 1: DAG technology accomplished (3446 ms)
GPU 1: DAG verification handed
GPU 1: detected mining lock - making an attempt to enhance efficiency...
The textual content of the log file didn’t include ‘Unlock’.
Then we ran a number of extra assessments in LHR2 mode fixing the frequency and voltage. We used the Voltage/Frequency Curve Editor in MSI Afterburner. We didn’t unlock LHR with Nvidia’s drivers 471.68, so we determined to put in Nvidia’s drivers 472.12 to the rig.
Throughout most assessments the miner remained unstable, however we managed to get respectable outcomes by trial and error. Right here is how we did it.
We launched the mining program on the rig with the next GPU settings: PL(%): 80, CC (MHz): -502 repair Voltage(mV) 825, MC (MHz): +1000.
Bat file:
lolMiner.exe --algo ETHASH --pool eth.2miners.com:2020 --user WALLET_ADDRESS.RIG_3080Ti --mode LHR2 --tstop 70 --tstart 50 --log on --logfile log_lolMiner_RIG_3080Ti_mode_LHR2.txt --timeprint on --longstats 30 --statsformat gpuName,velocity,poolHr,shares,sharesPerMin,bestShares,energy,hrPerWatt,coreT,juncT,memT,coreClk,memClk,fanPct
pause
GPU1: CC worth settled at 1050 MHz. Two minutes after the miner launch the hash fee was ~82 Mh/s.
GPU2: CC worth settled at 1095 MHz. Two minutes after the miner launch the hash fee was ~82 Mh/s.
After one hour of operation the miner confirmed a hash fee of ~76–78 Mh/s.
mode LHRLP
After reviewing the log file, we established that LHR lock received activated 7 occasions for every GPU within the first 25 minutes of operation. Then the hash fee settled.
Reminiscence Controller Load, GPU Load, and Board Energy Draw charts, in addition to different Energy charts, confirmed slight parameter instability. Reminiscence Controller load was 88–100%.
Then we ran a number of assessments in LHRLP mode each fixing and never fixing the frequency and voltage. We used the Voltage/Frequency Curve Editor in MSI Afterburner. Throughout most assessments the miner remained unstable, however we managed to get respectable outcomes.
We launched the mining program on the rig with the next GPU settings: PL(%): 80, CC (MHz): -502 repair Voltage(mV) 825, MC (MHz): +1000.
Bat file:
lolMiner.exe --algo ETHASH --pool eth.2miners.com:2020 --user WALLET_ADDRESS.RIG_3080Ti --mode LHRLP --tstop 70 --tstart 50 --log on --logfile log_lolMiner_RIG_3080Ti_mode_LHRLP.txt --timeprint on --longstats 30 --statsformat gpuName,velocity,poolHr,shares,sharesPerMin,bestShares,energy,hrPerWatt,coreT,juncT,memT,coreClk,memClk,fanPct
pause
GPU1: CC worth settled at 1050 MHz. Two minutes after the miner launch the hash fee was ~82 Mh/s.
GPU2: CC worth settled at 1095 MHz. Two minutes after the miner launch the hash fee was ~82 Mh/s.
After one hour of operation the miner confirmed a hash fee of ~78–80 Mh/s.
After reviewing the log file, we established that LHR lock received activated 4 occasions for every GPU within the first 19 minutes of operation. Then the hash fee settled.
Reminiscence Controller Load, GPU Load, and Board Energy Draw charts, in addition to different Energy charts, confirmed slight parameter instability. Reminiscence Controller load was 88–100%.
With the discharge of the brand new miner model, we stopped additional testing.
Conclusion: lolMiner 1.32a can partially unlock LHR. The miner exhibits a hash fee of ~78–80 Mh/s which is ~67–69% of the potential max hash fee.
The outline of the discharge says the next: “Beneficial drivers for LHR2 and LHRLP: 470.63.01 or 465.31 — others may very well be extra unstable. Most assessments have been achieved in Linux.”
2Miners recommends Linux-based mining methods like RaveOS for this miner model to make sure steady operation.
LHR Unlock with lolMiner 1.33
On October 1, 2021, lolMiner 1.33 was introduced. On this model the builders labored on LHR unlock. They improved LHR unlock efficiency and advisable particular drivers.
Click on right here to obtain the miner and examine its options.
We launched the mining program on our rig with the next GPU settings: PL(%): 70, CC(MHz): +0, MC(MHz): +1200.
Bat file:
lolMiner.exe --algo ETHASH --pool eth.2miners.com:2020 --user WALLET_ADDRESS.RIG_3080Ti --tstop 70 --tstart 50 --log on --logfile log_lolMiner_RIG_3080Ti.txt --timeprint on --longstats 30 --statsformat gpuName,velocity,poolHr,shares,sharesPerMin,bestShares,energy,hrPerWatt,coreT,juncT,memT,coreClk,memClk,fanPct
pause
Within the first 4 minutes of operation, the miner was “calibrating to your actual core and reminiscence clocks”. Here’s what these notifications appear to be within the log file:
GPU 1: please wait LHR semi-unlock calibration is ongoing...
GPU 0: please wait LHR semi-unlock calibration is ongoing...
If LHR lock is activated throughout mining, the miner lowers the lhrtune parameter when unlocking LHR:
GPU 1: detected mining lock. Unlocking & decreasing --lhrtune parameter...
GPU 1: GPU will probably be paused to verify it's unlocked...
GPU 0: detected mining lock. Unlocking & decreasing --lhrtune parameter...
GPU 0: GPU will probably be paused to verify it's unlocked...
The period of the take a look at was 30 hours and 33 minutes.
After reviewing the log file, we established that LHR lock received activated 4 occasions for every GPU in 26 hours of operation.
GPU Load and Board Energy Draw charts, in addition to different Energy charts, confirmed slight parameter instability. GPU1’s Reminiscence Controller Load chart was steady, whereas GPU2’s Reminiscence Controller Load chart was considerably unstable.
Under is the Stats web page of the pool with the outcomes of the miner operation.
Primarily based on the variety of shares despatched to the pool, we estimated the hash fee after 30.55 hours of the miner operation. Preliminary knowledge for 2 GPUs: 2051 shares in 30.55 hours, share issue is 8726 M. We multiplied the variety of shares per second by share issue and received 162.7 Mh/s. This can be a hash fee of two GPUs, so a hash fee of 1 GPU is ~81.36 Mh/s. We are able to additionally estimate the hash fee per GPU taking into consideration the variety of shares solved by every GPU (GPU1: 1034, GPU2: 1017): GPU1 – ~82.04 Mh/s, GPU2 – ~80.69 Mh/s.
We suggest extending the testing interval to get statistically right outcomes: every card ought to ship over 5000 shares to the pool.
Conclusion: lolMiner 1.33 can partially unlock LHR. The miner exhibits a hash fee of ~81 Mh/s which is ~70% of the potential max hash fee. Within the description of the discharge you'll find particular video drivers advisable for every GPU for the optimum stability.
LHR Unlock with lolMiner 1.34
On October 18, 2021, lolMiner 1.34 was introduced. On this model the builders improved the LHR unlock characteristic, advisable particular drivers, and stuck beforehand found errors. You’ll find the –lhrtune worth and the variety of LHR locks within the abstract stats chart within the mining program or within the log file.
Click on right here to obtain the miner and examine its options.
We launched the mining program on our rig with the next GPU settings: PL(%): 70, CC (MHz): +0, MC (MHz): +1000.
Bat file.
lolMiner.exe --algo ETHASH --pool eth.2miners.com:2020 --user WALLET_ADDRESS.RIG_3080Ti --tstop 70 --tstart 50 --log on --logfile log_lolMiner_RIG_3080Ti.txt --timeprint on --longstats 30 --statsformat gpuName,velocity,poolHr,shares,sharesPerMin,bestShares,energy,hrPerWatt,coreT,juncT,memT,coreClk,memClk,fanPct
pause
The period of the take a look at was 2 hours and 33 minutes. Within the first 4 minutes of operation, the miner was calibrating “LHR semi-unlock”. LHR lock received activated as soon as. Board Energy Draw charts, in addition to different Energy charts, have been barely unstable. GPU Load and Reminiscence Controller Load charts have been steady. The miner confirmed a hash fee of ~82 Mh/s.
We tried rising the reminiscence clock.
We launched the mining program on our rig with the next GPU settings: PL(%): 70, CC (MHz): +0, MC (MHz): +1200.
The bat file is similar.
It resulted within the fixed activation of LHR lock for GPU2. GPU1’s GPU Load and Board Energy Draw charts, in addition to different Energy charts, confirmed slight parameter instability. GPU1’s Reminiscence Controller Load chart was steady. GPU2’s charts have been considerably unstable.
We lowered GPU2’s reminiscence clock. We launched the miner with the next GPU settings:
GPU1: PL(%): 70, CC (MHz): +0, MC (MHz): +1200.
GPU2: PL(%): 70, CC (MHz): +0, MC (MHz): +1000.
Bat file.
The period of the take a look at was 61 hours and half-hour.
After reviewing the log file, we established that LHR lock received activated 3 occasions. Board Energy Draw charts, in addition to different Energy charts, have been barely unstable. GPU Load and Reminiscence Controller Load charts have been steady.
Under is the Stats web page of the pool with the outcomes of the miner operation.
Primarily based on the variety of shares despatched to the pool, we estimated the hash fee after 61.5 hours of the miner operation. Preliminary knowledge for 2 GPUs: 4089 shares in 61.5 hours, share issue is 8726 M. We multiplied the variety of shares per second by share issue and received 161.2 Mh/s. This can be a hash fee of two GPUs, so a hash fee of 1 GPU is ~80.58 Mh/s. We are able to additionally estimate the hash fee per GPU taking into consideration the variety of shares solved by every GPU (GPU1: 2090, GPU2: 1999): GPU1 – ~82.37 Mh/s, GPU2 – ~78.79 Mh/s.
We suggest extending the testing interval to get statistically right outcomes: every card ought to ship over 5000 shares to the pool.
Conclusion: lolMiner 1.34 can partially unlock LHR. The miner exhibits a hash fee of ~80 Mh/s which is ~69% of the potential max hash fee.
Within the description of the discharge you’ll find particular video drivers advisable for every GPU for the most effective stability.
LHR Unlock with lolMiner 1.36
On November 15, 2021, lolMiner 1.36 was introduced. This model performs higher on some GPUs, the builders modified auto-tuning and stuck beforehand found errors.
Click on right here to obtain the miner and examine its options.
We launched the mining program on our rig with the next GPU settings:
GPU1: PL(%): 70, CC (MHz): +0, MC (MHz): +1200.
GPU2: PL(%): 70, CC (MHz): +0, MC (MHz): +1000.
Bat file:
lolMiner.exe --algo ETHASH --pool eth.2miners.com:2020 --user WALLET_ADDRESS.RIG_3080Ti --tstop 70 --tstart 50 --log on --logfile log_lolMiner_RIG_3080Ti.txt --timeprint on --longstats 30 --statsformat gpuName,velocity,poolHr,shares,sharesPerMin,bestShares,energy,hrPerWatt,coreT,juncT,memT,lhrinfo,coreClk,memClk,fanPct
pause
The period of the take a look at was 27 hours and 23 minutes. After reviewing the log file, we established that LHR lock received activated 9 occasions. Board Energy Draw charts, in addition to different Energy charts, have been barely unstable. GPU Load and Reminiscence Controller Load charts have been steady.
Under is the Stats web page of the pool with the outcomes of the miner operation.
Primarily based on the variety of shares despatched to the pool, we estimated the hash fee after 27.38 hours of the miner operation. Preliminary knowledge for 2 GPUs: 1860 shares in 27.38 hours, share issue is 8726 M. We multiplied the variety of shares per second by share issue and received 164.6 Mh/s. This can be a hash fee of two GPUs, so a hash fee of 1 GPU is ~82.32 Mh/s. We are able to additionally estimate the hash fee per GPU taking into consideration the variety of shares solved by every GPU (GPU1: 973, GPU2: 887): GPU1 – ~86.13 Mh/s, GPU2 – ~78.51 Mh/s.
We suggest extending the testing interval to get statistically right outcomes: every card ought to ship over 5000 shares to the pool.
Conclusion: lolMiner 1.36 can partially unlock LHR. The miner exhibits a hash fee of ~82 Mh/s which is ~71% of the potential max hash fee.
Ultimate Conclusions and Ideas
lolMiner presents a working resolution to unlock LHR graphics playing cards. Due to lolMiner, you may partially unlock LHR. Relying on the miner model, you will get a hash fee of ~78–82 Mh/s on Nvidia 3080 Ti LHR, which is ~67–71% of the potential max hash fee.
lolMiner 1.34 and lolMiner 1.36 produced probably the most steady outcomes throughout assessments giving out the very best hash fee.
Please notice that we received completely different outcomes when testing the identical GPU fashions with the identical settings. It signifies that every graphics card have to be arrange individually.
We didn’t take a look at GPUs with excessive settings. For instance, your GPUs would possibly work effectively with larger clocks.
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