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Questions tagged [gpu]

graphic processing units, commonly known as graphic cards

22
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3answers
85k views

What is the current DAG size? When do we expect to hit GPU limits?

I have two mining rigs running, one with 2GB GPUs and one with 8GB cards. Recently, the rig with the 2GB cards failed due to the inability to upload the DAG to the GPU. What's the current DAG size ...
21
votes
2answers
78k views

What's the best hardware for Mining Ether?

As my title says, I am a complete newbie to the Ethereum Project, but not to the cryptography in general. Although this will be the first time I will consider investing in the mining process. And I ...
21
votes
6answers
79k views

Is there a GPU-hashrate database?

Is there a database that lists GPU models and their approximate mining hashrates?
14
votes
3answers
21k views

Solo Vs Pool Mining With A GPU

Currently I'm using 1 r9 380 card with 20 MH. I've only been mining for 3 days straight (72hours). I used the Mining Calculators from Etherscan and Cryptocompare. While these sites calculate it will ...
10
votes
2answers
17k views

Mining Performance of AMD Radeon Pro Duo

I would like to evaluate the purchase of that GPU for Ethereum Mining. Does someone already have benchmarks?
8
votes
1answer
347 views

Smart Contract execution in Casper

Once the Casper POS update releases, will miners still be using GPU to execute smart contracts and power the EVM? My understanding is that this form of 'mining' will still exist, but it wont lead to ...
7
votes
1answer
13k views

Can I mix graphics cards on a mining rig RX480 and RX 470?

I want to experiment with building a mining rig to better understand ethereum. And to motivate myself to really learn as much about it as possible. Is it possible to mix graphics cards on the same ...
7
votes
1answer
4k views

AlethOne : GPU can't allocate the DAG in a single chunk

I'm trying to do some pool mining using AlethOne, but get the following error: Allocating/mapping single buffer failed with: "clEnqueueWriteBuffer(-4). GPU can't allocate the DAG in a single chunk. ...
7
votes
2answers
5k views

Ethminer reporting low hashrate vs benchmark

I'm new to mining Ethereum, and I had a question about the efficiency/throughput of my card, a 270X. I ran the benchmark utility with ethminer, which gives me a result of 18153621 H/s (18 MH/s?), ...
6
votes
2answers
13k views

ethminer not recognizing multiple GPUs (AMD Radeon / Ubuntu)

I have 5 GPUs on my setup currently: $ sudo aticonfig --list-adapters * 0. 01:00.0 AMD Radeon (TM) R7 370 Series 1. 02:00.0 AMD Radeon (TM) R7 370 Series 2. 03:00.0 AMD Radeon (TM) R7 370 ...
6
votes
1answer
10k views

Mining for 5 days at an avg of 19 Mh/s but not a single cent, is this normal?

Okay so i've been using ETHMiner and this cmd file to start it, and I've been mining for about 60-80 hours with and avg of 19 Mh/s and I havent recieved a single cent to my Jaxx wallet, is this normal?...
6
votes
1answer
3k views

Ethminer “No GPU device with sufficient memory was found”

I have two Sapphire Nitro+ RX 480 OC cards. When only one is inserted into a PCIe slot, I am able to mine ETH with no issues. When both are inserted into PCIe slots, my terminal returns: "No GPU ...
5
votes
1answer
6k views

Mining wattage on Sapphire R9-390

got my first rig coming online. 6x Sapphire R9-390. I have 2x 750w power supply. Am I good? Does anyone have these cards and know the watt draw? Thank you :-)
5
votes
1answer
7k views

ethminer never seems to mine - repeated DAG generation

I've installed geth and ethminer to get started mining. I've got an Ubuntu 16.04 box with a couple Nvidia TitanX cards. When I fire up ethminer like so... ethminer --no-precompute -G --opencl-...
4
votes
2answers
1k views

What are the bandwidth requirements to run a full node? [duplicate]

Is running a full node (mining) bandwidth heavy or is it hardware (GPU) heavy?
4
votes
1answer
490 views

GPU works but cannot find a solution

I have previously mined on a Sapphire Radeon Nitro R7 370: the hash rate was roughly 13Mh/s. I decided to upgrade and bought a Sapphire Radeon Nitro R9 390. Knowing of a bottleneck, I have ...
4
votes
1answer
9k views

How can I get 43 MH/s using AMD HD 7990?

I read from this post that it is possible to get 43 MH/s using AMD Radeon HD 7990. Does anyone know how can I achieve this? I am getting right now 30MH/s per card using EthOS. Any help would be ...
4
votes
1answer
5k views

Account Balance 0 after 1 full day of GPU mining - GTX 770 - go-ethereum and ethminer [duplicate]

I am a little bit new in Ethereum Mining but I took a couple of days to read, study and understand the concept. I make my system (a clean one) Linux Ubuntu 14.04 ONLY for Ethereum Mining. I installed ...
3
votes
4answers
23k views

What aspect affects the GPU's mining speed?

I recently got my Asus Radeon RX 580 8GB and decided to test it out on mining. It has default core clock speed 1380 MHz, and memory clock 2000 MHz. Now, my first test with stock settings (no OC, no ...
3
votes
4answers
12k views

Mining with Laptop with only one graphic card

I have HP Elitebook 8460p with Radeon GPU and without additional integrated intel graphics in CPU. Is it possible to run GPU mining on it?
3
votes
1answer
193 views

GPU gave 3 Eth in 3 weeks, then added another GPU and no ETH after 1.5 weeks?

I got the first 3 Eth in 3 weeks and then I decided to add another card (RX480s). I stopped the mining (CTRL - C) Then stopped geth node (CTRL - C) Shutdown PC and installed extra GPU. Ran geth test ...
3
votes
3answers
11k views

What to do about low hash rate on EthOS with RX 580s?

I just finished building my first rig, a 4 card rig using Sapphire Pulse RX 580 8GB cards, running on EthOS using claymore miner and mining to ethos pool/nano pool (Biostar TB85 MoBo, Corsair AX1200 ...
3
votes
2answers
626 views

How to mining using GPU in private chain?

Sir, We build a Ethereum private chain for one application.We use geth to mine and find the performance is not good. Geth use CPU to mine.So,what method I can use to mine using GPU? Barkely
3
votes
2answers
2k views

CPU usage while GPU mining

I'm thinking about installing extra videocards for GPU mining on a LAMP server that I actually use for developing and/or cronjob events (such as backups and similar), so I'd like to ask if this setup ...
3
votes
1answer
373 views

Running Ethminer on a private Ethereum network

I'm trying to carry out some tests on Ethminer and was trying to run benchmarks on it before it starting returning a hashrate of 0, from what I've been able to tell this is becasuse the GPU I'm using ...
3
votes
1answer
425 views

maximizing GPU mining utilisation

I have a 8GB ram GPU - can I save the DAG twice and produce double hashrate? If yes - how can I program it?
3
votes
3answers
4k views

ethminer not picking up Radeon R9 RX 480

I hope someone can help. My system has 3 GPUs, one that sits on the motherboard and two RX 480s that I added for mining purposes. I've installed the latest AMD drivers (Version Crimson-16.7.1) to ...
3
votes
2answers
20k views

AMD FirePro Series Gpu's for Ether

wanted to know if anyone has experimented with AMD's Firepro Gpu's for mining ether? if so what were there results? want to know if it is a practical investment or if regular gaming GPU's are the way ...
2
votes
2answers
646 views

What happens to the etherbase while migrating a mining rig?

I've successfully set up a 4 GPU rig and have been mining for about a month now. I see that my rig has an ether base, and i essentially mine ether to that base. The base has an address something akin ...
2
votes
3answers
7k views

Which is the best (most H/s) open source NVidia driver for Linux (any distro)

I have tested my GTX 860M on Arch Linux with two diffrent drivers, but the diffrence is insignifiant (<0.3 MH/s). Is there a specific combo of NVidia driver + Linux Distro that gets most out of a ...
2
votes
3answers
3k views

GDDR5X mining memory clock issue

I'm a little bit confused by the fact that my GTX 1080 which has effective memory clock of 10.8 GHz gives only ~25 MH/s while people reporting their GTX 1070 cards give up to 40 MH/s. As far as I ...
2
votes
2answers
3k views

Mixing two different GPUs on the same mining rig

Is it possible to mix 3 ASUS RX480, 1 AMD 7990 and 2 r9 380 in the same mining rig? If so, will it be possible to overclock them?
2
votes
2answers
6k views

To high power consumption 2x RX 470 8G - 575 watts - How to fix?

My miner is runnig for a few days and today i checkt the power consumption with a special device. The consumption is around 575 Watts. I had assumed that it will be around 300 Watts. Why is the ...
2
votes
1answer
14k views

GTX 950 cards seems to not be supported during mining?

I keep getting these errors when running the Claymore Ethereum mining app. EthDcrMiner64.exe -ewal 0x2609B752a84Fxxx0d10c40Fe20A/worker01/midxxxeer@thexxxide.com -epsw x -etht 1000 -mode 1 -ftime 1 -...
2
votes
1answer
3k views

Problems mining ether on GTX 970

I would like to start mining ether, but I am running into a big problem. I have a EVGA gtx 970 that works fine in games and benchmarks, however it only runs at about 2 mh/s compared to the 15+ I see ...
2
votes
1answer
2k views

What does affect Mining Rig performance?

I'm planning to set up a computer to mine Ether, with up to 3 way CrossFire cards. here are my questions would the choice of OS affect mining performance (i.e. Linux vs Windows)? can I add a non-...
2
votes
1answer
2k views

Can older motherboards be the reason for the drop of mining speed?

I have set up this small rig but I'm getting only half of the mining speed that these cards are able to generate. I checked these cards one by one on other boards and they tend to give ~21MH/s. But ...
2
votes
3answers
8k views

Mining freeze gpu hangs in opencl call

Well I tried to setup my first ethereum mining rig. I bought 6 second hands rx480 8GB (some on eBay, some elsewhere..) And these new parts: -Z170 gaming K3 -Powered pci risers -8GB DDR4 ...
2
votes
0answers
219 views

ethminer benchmarking mode llvm error

I recently installed ethminer from the new active repository: https://github.com/ethereum-mining/ethminer ethminer --version returns: ethminer version 0.11.0.dev0 Build: Linux/g++/Release My OS ...
2
votes
0answers
338 views

What is Ethereum's hash input data size?

I'm testing https://github.com/mjosaarinen/tiny_sha3 project on my machine with GPGPU features of https://github.com/tugrul512bit/Cekirdekler and it successfully hashes a single byte correctly in a ...
2
votes
0answers
1k views

Trying to understand how to calculate the profitability of Ethereum mining based on hashrate

I'm very new to Ethereum/cryptocurrencies, I'm trying to understand how to rate the efficiency/profitability of GPU cards Question If I exclude power bills / hardware aquisition costs, am I correct ...
2
votes
0answers
84 views

ETH Based GPU Pools After Casper [duplicate]

I've been reading a bit about Casper lately and I've seen that a lot of the miners are upset because they think their GPUs will become useless but there are tons of uses for GPUs besides ...
2
votes
0answers
1k views

geth OpenCL disabled. Set GO_OPENCL and re-build to enable

I'm trying to test geth on Nvidia TX1 board which has ARM64 CPU. The first trouble was to get go language installed on it as there's no ARM64 bit version available. So, I compiled arm64 version of go ...
2
votes
0answers
10k views

Is switching to Proof of Stake (PoS) makes GPU mining worthless? [duplicate]

Is switching to Proof of Stake (PoS) makes GPU mining no longer available?
1
vote
1answer
264 views

What happened in 2016 so that “2GB cards stopped working” for mining?

I know this is a terrible question. I am trying to figure out what a friend asked me. We were talking about mining ETH and he said: Back in 2016 2GB cards "stopped working" and that means that if ...
1
vote
3answers
4k views

12.5 Mh/s on Gigabyte HD 7950, is that normal? Shouldn't it be higher?

As the title says. Windows 7 64bit. Gigabyte HD 7950. I tried qtminer, ethminer and Claymore I also tried downgrading from 16 to catalyst 15.12 as recommended. However I can never get more than 12.5 ...
1
vote
3answers
431 views

Ethereum mining pool

Guys I want to build a mining pool for ethereum which is based on GPU mining. I've searched alot but I couldn't find anything except genoil(cpp-ethereum) which supports GPU mining but the creation of ...
1
vote
1answer
793 views

Low Hashrate On Rx 570

I have bought a sapphire nitro+ rx 570 8GB (Samsung Memory)... Modded with SRBPolaris... copied strap 1500 to upper (to 1625,1750 and 2000)... PolarisBiosEditor cant read my rom... after that i tried ...
1
vote
1answer
3k views

mining with 2GB GPU with partial uploading

I see all older questions [*]. But I read in reddit Yes. But your efficiency is lowered. Use ethOS dagless mining. My question is whether this is true and which software allows this? I see ethOS ...
1
vote
1answer
3k views

GPU'S Failed cannot create DAG

Last night everything is fine and then this morning I check my mining its's closed I think it was restarted or close accidentally then when I open my pool I have this error. ETH: 5 pools are ...