Questions tagged [gpu]

"Graphics Processing Unit" - The specific component on a video card which performs active processing of images. GPUs are commonly used in Bitcoin mining as they are much more efficient at certain varieties of integer math which are a major part of the hashing process underlying Bitcoin mining.

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How to mine Bitcoin in Windows? How to mine Bitcoin using Intel GPU?

I want to mine Bitcoin in Windows, which is the best and trusted software that I can use to mine Bitcoin in Windows? I want to use both my Intel GPU and CPU to mine Bitcoin.
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Do you have to use a four gigabyte graphic processing unit to mine in 2021? [closed]

The reason why I'm asking is because i own a ASUS GeForce GTX 660 Ti 967Mhz PCI-E 3.0 2048Mb 6008Mhz 192 bit gpu and I've googled how to mine with it in 2021 but haven't found anything solid as of yet....
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need help generate single publickey on cuda device

I am trying to generate a public key from a hash on a cuda device. I couldn't find a ready source for that task. So I want to try to modify/ create a new function for this task. the source code I want ...
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SHA256 speedup possible if executed on GPU

Is it possible to speed up hashing if hashing is done on a GPU? Does that even make sense or are the CPU instructions faster because for normal signature verification you don't gain by parallelizing ...
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How to generate bitcoin address with gpu in python [duplicate]

I have seen a lot of bitcoin address generator with python, but all of them run on cpu, and are very slow,, for fun and educational purposes, I have been trying to use gpu to run the python script to ...
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Which is the best Bitcoin Vanity Address Generator? [duplicate]

Can someone please suggest a Bitcoin Vanity Address Generator which can generate at least six characters (ideally case sensitive). It would be even better if the generator could create seven or more ...
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283 views

GPU Mining Speed

I am a bit new to the whole mining thing and just have a economical issue when it comes to selecting GPUs. Sorry if the title is in appropriate. Let's just say in mining Ethereum, a 1070 ti (costs $...
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353 views

How is Ethash a 'memory hard' algorithm if it utilizes peak GPU memory bandwidth?

According to the Ethash algorithm described here, the computation for each nonce requires a loop of 64 iterations, where each iteration reads a chunk of 128 bytes from a pseudo-random location in ...
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483 views

Why is Ethereum total network hashrate still increasing if there are no GPUS to buy?

The total Ethereum network hashrate is close to doubling relative to its December level. Mining difficulty is also increasing proportionally of course as the total reward per block stays the same. ...
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352 views

Mining Zcash using cluster of GPU's

I have a basic knowledge about an idea of cryptocurriencies. Recently I have read articles about Zcash. Rumours has it that it's the most profitable cryptocurrency on the scene. Me and my co-...
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1k views

The warpwallet challenge 2

here you can find a public challenge aimed to brute force a brain wallet private key, derived from 8 char long [a-zA-Z0-9] passphrase with a salt of "a@b.c". Is it possible to adapt an hashing ...
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4k views

Can High CPU Droplets from Digital Ocean be used for Bitcoin Mining? [duplicate]

Can the High CPU Droplets from Digital Ocean be used for Bitcoin Mining? Can they compete with GPUs? Digital Ocean High CPU Droplets
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What's more important GPU cores or GPU memory?

I have been on the sidelines, watching on and off, looking to attempt mining a few coins. I have also looked at just buying coins, but found that's not so easy to do with anonnimity with all the ...
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NVIDIA Tesla K80 vs M60, if electricity and capital wasn't a factor

If I have a setup where electricity and capital are unlimited, which GPU would be more efficient at mining cryptocurrency (such as Ethereum) between the NVIDIA Tesla K80 and the NVIDIA Tesla M60? I ...
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Mining with only 1 GPU

I have a GTX Ttan and plan on getting a GTX 1060. I want to only mine with the 1060. How would I do that. Im using sgminer v5.3.1
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GPU mining slows down my ubuntu

I'm trying to mine using my CPU and GPU. When the CPU is set to use all its cores, I have no problems, but when I use my GPU, my desktop gets way too slow because unity uses it too I think, so I need ...
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Normal hashrate but no accepted shares in

For the moment I'm trying to mine altcoins using an AMD HD6850. The version of cgminer is 3.7.2. The pool I'm using is prohashing.com. It's a scrypt-mining pool which mines the most profitable coins ...
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237 views

ASIC and FPGA feasibility as GPU

I've done a minor amount of research into the topic of bitcoin mining using ASICs and FPGAs, and I've started wondering: Could these be used as GPUs (possibly specialized to a subset of what modern ...
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Trying To Get More MH/s Litecoin Mining

I am relatively new to this but do have technical abilities like overclocking, etc. Here's what I'm working with: AMD A6 3620 APU w/Rade Radeon HD 6530D Driver: AMD Catalyst 15.7.1 Win 7 64 ...
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What miner can I use to mine litecoin with the scrypt hash function?

When I run cgminer for run it to mine ltc the parameter --scrypt, cgminer says that is not recognized option. So, cgminer does not work. What miner can I use to mine litecoin with the scrypt hash ...
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GUIMiner not utilizing 2nd GPU

I've just setup GUIMiner, I have two graphics cards, and they are both running. However, one is getting ~400 Mhash/s, the other is getting ~10 Mhash/s. The monitoring of the GPU's also shows one ...
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186 views

GPU VanityGen with AES Encryption?

I'm getting back into Bitcoin and have started pooling savings together into a wallet. I'm moving on to cold storage and need to order some metal cards to keep safe somewhere. I need to generate an ...
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How to use bitcoind with CUDA-ready box?

I am not asking for mining (which is all the information I could find on the net). I am asking for the regular bitcoind daemon, looking for having a full node with a reasonable high performance per ...
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Is it possible to identify exact GPU type using miner's log file?

In the miners (sgminer) log file I have the following lines: [21:14:19] ADL index 0, id -546853344 - BIOS partno.: 113-C3865001-T04, version: 015.041.000.000.000000, date: 11/25/13 02:47 [21:14:19] ...
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GPU mining strategies (algorithm)

I am currently in the process of creating a fairly simple bitcoin miner for CPU and GPU (for demonstration purposes not for money earning). However I am having a little troubling understanding how ...
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does OpenCL on Nvida work as well as OCL on ATI?

in most cases I've seen mining techniques listed as either ATI with OpenCL or Nvidia with Cuda. but I have seen Nvidia graphics that claim to support OpenCL. is this implementation different or would ...
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Two GPU's But Only One Will Mine In cgminer

I have a rig with two GPU's set up in it. Both are ASUS and one is a R9 280x and the other is a HD 7790. Both appear when I run the command: sudo aticonfig --lsa GPU 0: This is the HD 7790 GPU 1: ...
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Difference in hashrate between two GPUs

I am a gamer who simply uses his rig to mine when idle. A year ago I was getting 0.5 Ghs using a Radeon HD7970 3072MB 384bit OC Boost, then due to a technical issue I stopped mining for a few months ...
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4k views

“Can't detect any devices”

I'm trying to start mining using my GPU (ATI Radeon HD 4850) but when I try to run cgminer it cant detect any devices. I use this to run cgminer: cgminer --scrypt -o stratum+tcp://stratum2.dogechain....
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Cudaminer On Mac OS X installation error: “malloc.h: No such file or directory”

I'm almost completely ready to GPU mine but I'm stuck on step #25 of Option #2 of this tutorial: http://www.reddit.com/r/dogemining/wiki/index/mac_mining_guide after running this command inside ...
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6k views

Mining bitcoin using cudaminer?

I have started mining using an nvidia gtx 670m GPU. I have compiled cudaminer and started mining on the slush pool. However, during mining I always get results similar to: accepted: 0/X (0.00%), xx....
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Scrypt (Litecoin) memory / performance tradeoff

For Litecoin, if memory size is increased in processing the Scrypt algorithm, for example to 384 kB instead of 128 kB (and assuming likewise an L2 cache size of 384 kB), would the typical CPU ...
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816 views

How long to earn fractions of bitcoin [duplicate]

I started mining today, and I'm using the bitcoin GUI miner, along with rpc2013-cuda. I'm running algorithms on the CPU(completely maxed out - It's a core i7 quad-core/Hyperthreaded at 2.3GHz) and the ...
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Mining Bitcoin on Linux with CUDA?

I have a Linux machine with an Nvidia GPU (GeForce GTX 760). Is there a tool, rather than writing your own, that can currently mine Bitcoin using CUDA on Linux?
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what is the best mining intenisty to use for certain grahpichs cards?

I use cgminer and I have a zotac nvidia geforce gtx 680 graphics card, what is the best intensity to use.
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Setting up my BFGMiner with two AMD GPU's

I have two AMD Radeon 7770's in my rig. I am able to get the command prompt of BFGMiner to run fine up, to the point where I need to add my devices (GPU's). I am not sure what commands to use or where ...
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955 views

16x Presence Short (1x Riser)

I have an MSI Z77a-GD65 and I need to short one of the slots to get it to work. The MB was working fine with 5 GPUs until a couple of weeks ago when one of the slots stopped working. I know it's the ...
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Can I connect 2 different PSU's to 1 GPU?

I have 2 PSU's 850W and 750W 1 motherboard and 4 cards 280x GPU's. I would like to connect 2 of the GPU's to a second PSU. So it means 2 cards are powered by PSU A. and 2 by PSU A via the motherboard ...
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467 views

Parts of a Bitcoin Mining Rig

Original question: How important is a strong CPU and GPU for ASIC mining? I would assume that the GPU could be a cheap one because even if its high-end it probably won't help, and that the CPU should ...
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Using bfgminer on an Intel GPU on Ubuntu 12.04

I am currently running Ubuntu 12.04 LTS on an i5 core and Ivy Bridge GPU. Using bfgminer I have successfully mined on my CPU, but my GPU is never recognized. I have installed OpenCl for Intel ...
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15k views

How to mine with Intel HD Graphics 4000?

I'd like to mine with my Intel HD Graphics 4000 (128SP 16C 350 MHz/1 GHz, 1.8 GB DDR3 1.6 GHz 64-bit, Integrated Graphics). I think it has support for OpenCL, as I ran benchmark ...
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BFGminer running on GPU on Windows 7

I can't get the BFGminer to work on my Windows 7 machine. I've followed the instructions on https://www.btcguild.com/index.php?page=support. But when ever I run bfgminer.exe I get the following ...
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7k views

LTC mining is better than BTC mining?

I've got a notebook with these specifics: CPU: AMD Phenom X3 II N830 3.14GHz (3-Core) GPU: ATI Radeon HD 5650 1GB Mining 1 LTC is faster than mining 1 BTC? How I estimate the times for BTC and LTC? ...
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396 views

Adding an additional GPU for LTC mining

I've just recently started litecoin mining on a kind of old AMD GPU. My motherboard has space for 2 additional cards. I'd like to drop in a new card specifically for litecoin mining, but... I'm not ...
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Most important spec to look for on a GPU for scrypt mining (e.g. Litecoin)

By taking a look at all the current AMD cards comparison: http://en.wikipedia.org/w/index.php?title=Comparison_of_AMD_graphics_processing_units I was wondering if GFLOPS would be the best way to ...
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Can i mine with a GTX 760? [duplicate]

Well, bit coin mining is looking more and more promising and to be honest, i don't know a lot. I heard you get a lot from AMD cards, but if i use my Nvidia card will it even be worth it? Thanks in ...
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1k views

My Radeon 7570 that comes with my hp envy h8-1409 is not being detected by CGminer (Litecoins)

I'm using Windows 8.1 and CGminer 3.1.0 trying to mine litecoins What's odd about this computer is that the video card is some kind of HP OEM device, that's getting driver updates (latest August 2013)...
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33k views

Should I mine bitcoins or litecoins?

I don't pay for my own power, but I have two problems mining. I am CPU mining at 250 mhash/s because my AMD Radeon HD 7800 series graphics card will only produce 4.0 mhash/s (the other problem I'm ...
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1k views

No Miner can connect to RPC Server

I'm new to this BitCoin, as in read about it yesterday started with it today. This technology has intrigued me to the level I cannot explain, its truly genius! Back to my problem, I have a NVIDIA ...
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42k views

Start cgminer only on the second card HOW?

I have two video cards. My main card is a nvidia 650ti and my second is an AMD R9 280x. My monitor is connected to the nvidia and I use it for normal things. I want to start cgminer only on my second ...