"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.
-3
votes
1answer
179 views
Good budget GPU for a casual miner with a fairly low-end PC? [duplicate]
I've heard that GPU mining is on its way out, and for it to be profitable, you'd need a pretty big mining rig. Having said that, I'm still interested in experimenting with mining and would like to ...
1
vote
3answers
84 views
Mining computations by the numbers [duplicate]
On average, how many "computations" (GPU computations, CPU computations, CPU cycles, etc.) does it take to solve a block ("win" a mining race)?
What are these computations measured in? Operations? ...
1
vote
2answers
252 views
Energy & performance comparison: GPU mining vs playing HD Video
Using the built-in ATI video card on my computer, I can mine at about a 30-50 MHps rate. I'm wondering, how does this amount of work compare to normal video card operation? Or how can it be ...
0
votes
1answer
155 views
Mining with one GPU
How do I GPU mine with only one GPU, which I'm currently using for graphics? Does that require going headless? How do I go headless?
0
votes
1answer
505 views
clDevicesNum returned error, no GPUs usable
I get this error with BFGMiner, when running "bfgminer -D -d?:"
[2013-04-25 09:47:31] ft232r_scan: Found 093a:2510 - not a ft232r
[2013-04-25 09:47:31] ft232r_scan: Found ...
4
votes
1answer
282 views
Why do AMD's GPUs mine faster than Nvidia's?
I have been searching Google all day and cannot find any real information. I'm looking for information in detail, such as specifications or the qualities of the GPUs that make the differences.
0
votes
1answer
162 views
Simple GPU miner with long pooling C++
I want to write own GPU miner(Please, don't ask me why :) , but i can't find any simple solution (cgminer and RPC miner is big projects with many useless to me functions), i need sources of only a GPU ...
0
votes
0answers
73 views
Set up a limit to GPU usage
I have a PC and I'd like to set a limit to the usage of GPU. I don't want have always 99% used, I'd like to stop for e.g. at 70%. How could I do?
1
vote
1answer
230 views
Lacking OpenCL support on macbook pro [closed]
I've a macbook pro and I tried to mine, but there is a problem, I can mine only with CPU because I get the error
No OpenCL-compatible GPUs detected
2013.04.11 [15:16] Lacking OpenCL support. If you ...
1
vote
5answers
486 views
If Bitcoin mining is becoming more and more impractical, what then?
If Bitcoin mining is becoming more and more impractical, where you'll need to buy like a ButterflyLabs unit, and where even eventually a room full of these units might not be enough some day, what ...
1
vote
0answers
30 views
BitMinter - At what data rate communication happens between the BitMinter java client and the server?
Looking for how many KB or MB transferred each way every second or minute, whatever is appropriate.
I am using a Macbook Pro and using GPU mining.
0
votes
1answer
206 views
Is there any reason to invest on GPU based system these days? (March 2013) [duplicate]
I wonder whether I should spend around 1000$ - 1500$ for buying a GPU based system that will mine at 2GH/s. Is it still worth it? What will happen when all those ASIC machines will arrive? will i ...
2
votes
1answer
259 views
What are the mining spec differences between Bitcoin and Litecoin?
Obviously, Litecoin mining requires less computational power as it it more CPU friendly, but does this mean that if you switch a GPU Bitcoin miner To Litecoin mining you will be wasting your ...
0
votes
0answers
55 views
Info about gpu bitcoin mining time and cash earned [duplicate]
Where can i find an idea of the cash earning using several gpus at the same time for bitcoin mining during a month?
1
vote
1answer
538 views
How do I get started mining bitcoin with a GPU? [duplicate]
I'm totally new to this, but love this idea!
I want to help, (and generate coin), and have only installed Bitcoin-Qt version 0.8.1
It ran, synchronized; I encrypted my wallet.
But now what? Will ...
3
votes
1answer
351 views
How do I mine with more GPU's than my motherboard has slots for?
I noticed screen shots of some mining rigs that appeared to show GPUs hooked up to cables going to a mother board and not using pci slots. What are these cables called and how can i use them to ...
0
votes
0answers
259 views
How do I code my own bitcoin miner?
As a programmer, I have been assigned the work to implement bitcoin miner to run on GPU on a huge number of computers.
I don't know how bitcoin miner runs, so I would like to understand the technical ...
0
votes
0answers
27 views
GPU mining with Mobility Radeon HD 4200 [duplicate]
Will it work to mine with the above-mentioned card? E.g., is there software available, is it feasible, and how do I use hardware acceleration? Do I have to install proprietary drivers?
3
votes
1answer
197 views
Is it possible to mine with both (2) GPUs in headless mode?
I've got a Mac Pro with two different GPUs in it—one is a new 5850 and the other is some old (stock) Radeon.
I'm wondering if it is possible to mine with both cards simultaneously if the OS is ...
1
vote
1answer
125 views
Broken miner: no more backup pools
I have 3 graphics cards running poclbm each with a rate of about 140 MH/s. This has been running since I posted an earlier question ( "No more backup pools left. Using primary and starting ...
0
votes
2answers
371 views
Could i build a mining rig with these parts?
I have researched bitcoin mining for a while, and i have decided that i want to build a dedicated miner. Since i am very low on budget, I thought that maybe i could use an old computer that i have in ...
5
votes
4answers
1k views
Now that my GPU mining rig will be made obsolete, where to turn?
With the return from GPU mining to likely be effected by ASICs, where can miners turn their machines? Should I become a pro gamer? Join a rendering farm for cash (do they exist?) and let disney use my ...
1
vote
2answers
2k views
LiteCoin Rig Mining Hardware
I am building up a couple of LTC mining Rigs (I have access to free power via solar setup.)
I have organised 6 x 5970 cards with risers & extra fans etc
1)What Motherboard can I source now ...
1
vote
1answer
73 views
What is the difference (or relation) between a Bitcoin “Block” and a GPU workunit called a “Block”
I'm looking at OpenCL and GPU programming and see the term "Block" used to describe a unit of work sent to a GPU.
What is the relation between a Bitcoin Block and a GPU workunit called a block?
If ...
4
votes
0answers
254 views
What OpenCL video cards (or FPGAs) are best for multiplication?
I'm benchmarking some Bitcoin related software and am looking for cards that are better at parallel multiplication vs parallel addition.
Is there any prior work that may have this information? ...
7
votes
4answers
5k views
When is GPU mining considered not-profitable?
As GPU mining made CPU mining non-profitable, at some point in time more specialized mining hardwares (FPGA and ASIC) would make GPU mining non-profitable.
When is GPU mining considered ...
4
votes
2answers
144 views
How does the network apply credit for created blocks?
First post. I must say in advance thanks to everyone for all the great conversation and help and software so far. It's really helped me get familiar with bitcoins and bitcoin mining.
I have a ...
9
votes
3answers
2k views
What is more effective than ASIC mining?
Considering that mining progressed from CPU, to GPU, to FPGA, and now ASIC mining... have we finally hit the end of the road for technological advancement?
What future optimizations can occur after ...
4
votes
3answers
2k views
When will FPGAs and ASICs 'replace' GPUs for mining?
Please explain in detail, or provide an an estimate, at least.
0
votes
1answer
3k views
When did Litecoin become “GPU-friendly”?
I've heard recently here that Litecoin became more GPU-friendly. When did this happen, and what were the changes to the protocol to accommodate that change. Also, is there any reason for the change ...
5
votes
3answers
336 views
Cooling for an XPS 15 (L502x) laptop during Bitcoin Mining
I would like to know exactly where I should put my extra cooling fans around my laptop so that I can more efficiently cool while I mine bitcoins. I realize this is not optimal at the moment, but ...
5
votes
1answer
1k views
What is better for Bitcoin mining: More stream processors or faster clock?
I'm trying to understand the relationships between components in a video card and how it impacts Bitcoin mining.
What aspect of a video card is used during mining?
For example, I can find a Radeon ...
2
votes
1answer
2k views
Is mining faster with 2 GPUs in crossfire or with 2 PCs with one GPU each?
Is it faster to have 2 separate computers with the same graphics card but different specs, or one computer with 2 GPUs in crossfire?
By math, they should perform the same im guessing at the same ...
4
votes
1answer
686 views
Bitcoin mining may reduce the lifespan of my video card?
I'm not using a mining-dedicated videocard, i'm using my only video card (Radeon 6850) and i'm getting around 0.11 btc/24h.
My concern is about reducing the lifespan of (or even burning) my video ...
1
vote
0answers
323 views
ATI GPU for mining with display attached to integrated graphics?
I'm running Ubuntu 12.04 and I'd like to attach my monitor to the onboard Intel graphic and have my GPU (ATI 67xx) for mining solely.
So far I'm struggling with setting up the ATI GPU. Do I need to ...
3
votes
1answer
1k views
“No more backup pools left. Using primary and starting over.”
I am not using a pool, I am using my graphics cards mining with poclbm over rpc. i do not understand why I get these messages.
localhost:8332 15/08/2012 22:40:13, No more backup pools left. Using ...
10
votes
1answer
704 views
Why does merely having Windows Media Player open double my GPU hashrate?
I'm using poclbm to mine under Windows... processor is an AMD A6-3400M with integrated Radeon HD 6250G GPU. When Windows Media Player is closed, I get a rate of 16 megahashes/second, but when it is ...
1
vote
2answers
485 views
When was the first GPU miner made available publicly?
The GPU miners are widely used nowadays, but that wasn't always the case. When was the first GPU mining software made available publicly?
6
votes
1answer
13k views
What is the most cost effective GPU mining rig?
I'm looking for specific part numbers for CPU, GPUs, motherboards, cases, etc.
Assume power doesn't matter.
Also, what sort of hash rate does it get?
3
votes
1answer
718 views
Are there any Bitcoin miners that run from a web page and use the GPU? [duplicate]
Possible Duplicate:
What is the status on webminers?
I love Bitcoin mining so far.
However, I need to do it without running a Java applet that I download {see BitMinter for an example of ...
1
vote
1answer
439 views
Miners dogpiling on one device
I've built a mining rig running Ubuntu 11.10 with 3 Radeon 6850 GPUs.
When I run ./poclbm.py without any arguments, it returns the list of available devices as...
[0] Barts
[1] Barts
[2] Barts
[3] ...
3
votes
1answer
238 views
Is there a miner with a controllable hashrate?
Sometimes people don't want to mine at a full load due to various reasons (computer noise, hardware concerns, etc). Are there any miners out there in which one can set a hashrate limit? I know one can ...
5
votes
1answer
586 views
How fast can one generate Bitcoin addresses?
Seeing as the topic of generating address conflicts comes up every now and then, I am wondering if someone looked into the problem a bit further.
Has anyone measured the speed at which Bitcoin ...
5
votes
2answers
1k views
Its impossible to GPU mine without OpenCL?
I have a NVIDIA 7300 gx and want to start mining with it. This card doesn't supports OpenCL. Can I still use it for mining? With Biminter I can only use CPU mining, doesn't see the NVIDIA card. Thanks ...
8
votes
1answer
5k views
How can I start mining Bitcoin?
Ok. I don't care if I make only a small amount of bitcoins mining. I want to mine.
How do I setup my machine (amd x64 4.6Ghz 6GB/RAM with GeForce Nvidia 7300, LinuxMint 10) to start mining?
Is it ...
25
votes
6answers
9k views
Is CPU mining even worth it?
I would like to start mining, but my GPU isn't the greatest and I don't really want to spend the money on a dedicated rig. Is mining from my CPU (in a Linux environment) still worth it? Or will I not ...
7
votes
5answers
3k views
Best GPUs for Mining
GPU mining is the way to go, as at August 2011, until something better arrives on the market. There are plenty of GPUs out there, but only a handful offer the best performance when comparing total ...
