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Questions tagged [gpu]

graphic processing units, commonly known as graphic cards

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2answers
6k views

Whats the important specifications for a GPU

Which specifications are important for a GPU to get a high Hashrate. Frequency GPU Clock Speed Graphics Ram Type Memory Bus Width Memory Speed? or another important thing?
2
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0answers
225 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 ...
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0answers
347 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 ...
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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?
7
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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 ...
23
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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 ...
8
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1answer
349 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 ...
2
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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 ...
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0answers
1k views

How to tell how many graphics cards a mother board can concurrently use (can each pcie 3.0 slot be used?) [closed]

looking at motherboards on newegg I am filtering based on ones that have 4 or 5 pcie 3.0 slots. my 2nd criteria will be the most efficient cpu for less power consumption. My question is if you are ...
1
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0answers
4k views

When I try to mine ethereum I get JSON-RPC error

I am new at ethereum mining and I am trying to solo mine. I already installed geth and now I am trying to mine. When I go to ethereum software folder and type ethminer -G, it gives me the following ...
2
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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
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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
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1answer
13k views

How many ethereum can I mine with 6 * Radeon RX 480 GDDR5 8GB mining rig? [duplicate]

I planned to create a mining rig with 6 * Radeon RX 480 GDDR5 8GB cards ? I just want to know how many Ethereum I can mine per day if i use it 24hours continuously.. The mining rig is expected to get ...
2
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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
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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 -...
11
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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?
6
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2answers
14k 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 ...
2
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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
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0answers
2k 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 ...
7
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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. ...
2
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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?
4
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2answers
2k 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?
5
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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 :-)
2
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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 ...
1
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1answer
2k views

Should I run multiple instances of qtminer for multiple GPUs?

I am using qtminer from ethpool for mining with a single card. I want to add extra cards to the rig, should I start a new instance of qtminer for every card or should I start a single instance of ...
2
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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
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2answers
647 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 ...