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.
91
questions
0
votes
0
answers
129
views
Is there a way to use Python GPU for ECC speed up?
Got interested recently in Cuda technology for existing Python SECP256K1 code speed up. Installed Nvidia 10.2 toolkit and it seems to be running OK to an extent.
I've scrapped a small script for ...
- 35
0
votes
0
answers
36
views
How to mine Bitcoin in Windows? How to mine Bitcoin using Intel GPU? [duplicate]
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.
- 1
-4
votes
1
answer
44
views
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....
1
vote
0
answers
124
views
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 ...
- 137
0
votes
0
answers
53
views
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 ...
- 1
-1
votes
1
answer
325
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 $...
- 99
1
vote
1
answer
500
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 ...
- 13
0
votes
1
answer
495
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.
...
- 103
1
vote
2
answers
363
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-...
3
votes
1
answer
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 ...
- 31
0
votes
1
answer
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
- 101
2
votes
2
answers
9k
views
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 ...
- 21
-1
votes
2
answers
17k
views
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 ...
- 99
1
vote
2
answers
8k
views
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
2
votes
5
answers
3k
views
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 ...
- 19
1
vote
1
answer
4k
views
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 ...
- 135
3
votes
1
answer
247
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 ...
- 131
-1
votes
1
answer
1k
views
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 ...
1
vote
1
answer
3k
views
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 ...
0
votes
0
answers
139
views
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 ...
- 1
2
votes
0
answers
374
views
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 ...
- 121
1
vote
0
answers
137
views
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] ...
- 175
5
votes
1
answer
1k
views
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 ...
- 151
-1
votes
1
answer
104
views
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 ...
- 325
0
votes
1
answer
8k
views
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: ...
- 129
0
votes
2
answers
6k
views
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 ...
- 135
0
votes
2
answers
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....
- 11
3
votes
3
answers
13k
views
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 ...
0
votes
2
answers
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....
- 151
2
votes
3
answers
2k
views
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 ...
- 21
0
votes
2
answers
884
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 ...
- 13
2
votes
1
answer
12k
views
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?
- 121
0
votes
1
answer
211
views
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.
2
votes
1
answer
4k
views
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 ...
- 21
0
votes
0
answers
978
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 ...
- 101
0
votes
0
answers
379
views
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 ...
- 153
1
vote
1
answer
476
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 ...
- 13
1
vote
0
answers
919
views
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 ...
- 111
1
vote
1
answer
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 ...
- 133
3
votes
5
answers
45k
views
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 ...
- 139
2
votes
4
answers
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? ...
- 41
1
vote
1
answer
399
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 ...
- 11
1
vote
1
answer
3k
views
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 ...
- 113
1
vote
1
answer
11k
views
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 ...
- 21
2
votes
1
answer
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)...
- 21
5
votes
4
answers
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 ...
- 59
1
vote
1
answer
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 ...
- 121
4
votes
4
answers
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 ...
- 522
0
votes
2
answers
4k
views
Segfault when attempting to run cgminer on ubuntu 10.04
I recently wanted to try mining some crypto-currency, and litecoin seemed to be a good way to start since it doesn't require too specific hardware.
However, running cgminer after install (which was ...
- 101
0
votes
1
answer
3k
views
GPU support on cgminer and bfgminer
I just read this answer which states that GPU mining support was removed from cgminer as of version 3.7.2.
Does anybody know what version of bfgminer needs to be used to support GPU mining.
I am ...
- 123