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I definitely see more errors when I litecoin my cards too close hash their limits. My miner shows up as online, but with 0 speed. Not for knows their GPU generates so many false-positive shares because the default log message does not show cgminer. Now, rate need to make the cgminer. So, how to set up cpuminer with the parameters needed for your mining pool?
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How does share difficulty influence my earnings? Where is my Dogecoin balance? Here, "n" stands for the number of CPU cores that you wish to employ for mining. What Android apps can I use to monitor my workers? The Homebrew formulas I shared in my previous article include the configuration settings necessary to mine both Bitcoins and Litecoins. Next, enter the script using the following formula note that this method assumes you are mining a currency that uses the scrypt algorithm: What is a Distributed Ledger?
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Please enable it for a better experience of Jumi. Guest - goblin Permalink. We need to verify that cgminer recognizes your graphics card. Then enter this command: Do nothowever, use a word processor such as MS Word. February 01, I entered in the stock GPU settings into my cgminer.
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If you find yourself in need of help and advice, most altcoins have community forums, as well as their own subreddit. The majority of wallets are based on the original Bitcoin-Qt client. Be warned, though, that before these wallets are truly usable, you may face a lengthy wait while the coin's entire block chain downloads. Unless you possess specific mining hardware, there are two ways to mine cryptocurrencies: Of the two, a GPU offers far better performance for the cryptographic calculations required.
However, if you are making your first foray into mining and don't possess a souped-up gaming computer — a laptop with Intel integrated graphics, perhaps — it will still be possible to mine those altcoins, but at a far slower rate.
The catch with GPU mining is that it requires a dedicated graphics processor, such as you may have fitted inside your desktop PC — the Intel integrated graphics cards found in most laptops are just not suitable for the task. To keep speeds up to a respectable level, most altcoin miners build dedicated machines using motherboards that can house multiple graphics cards, usually via riser cables. Be aware, too, that mining digital coins is very system intensive and can reduce the lifespan of your electronic components.
It's a good idea to make sure you have adequate cooling in place, keep an eye on those temperatures and keep hold of any warranties — just in case. Mining can either be a solitary venture or you can join a mining 'pool', where a number of people combine their processing resources and all take a share of the rewards. It can be helpful to think of mining pools as joining a lottery syndicate — the pros and cons are exactly the same.
Going solo means you get to keep the full rewards of your efforts, but accepting reduced odds of being successful. Conversely, joining a pool means that the members, as a whole, will have a much larger chance of solving a block, but the reward will be split between all pool members, based on the number of 'shares' earned.
If you are thinking of going it alone, it's worth noting that configuring your software for solo mining can be more complicated than with a pool, and beginners would probably be better off taking the latter route.
This option also creates a steadier stream of income, even if each payment is modest compared to the full block reward. A handy piece of software called cpuminer is the easiest way to start mining, but does require the ability to use the command line on your computer.
For the purposes of this guide, though, we are making the assumption that you are using the Windows OS. First, download the appropriate file for your operating system. The zip file can be extracted to anywhere on your hard drive, as long as you remember where it went.
A good idea would be to create a 'cpuminer' folder on your desktop. So, how to set up cpuminer with the parameters needed for your mining pool? Well, it's usually simplest to write a one-line script known as a 'batch file' in Windows to launch the miner with the correct instructions.
Now, open Notepad or your preferred text editor. Do not , however, use a word processor such as MS Word. Next, enter the script using the following formula note that this method assumes you are mining a currency that uses the scrypt algorithm:.
Once the batch file is saved, double click it to activate the miner program. Your mining pool will most likely have a web-based interface and, within a few minutes, the website should show that your mining worker is active. For those that intend to mine with GPUs, or USB mining devices , cgminer is the program to use and can be downloaded from the developer's website — unless, that is, you're a Mac user, in which case you will find some unofficial binaries here.
Versions of cgminer following version 3. Therefore, the latest version isn't necessarily the one to download. Instead, seek out the version appropriate for your needs.
Again, in this example, we are making the assumption that you are using the Windows OS. However, if you are using Linux or OS X, the command line arguments ie: Furthermore, the instructions below once again assume you will be mining a scrypt currency. Next, press the Windows key together with the "R" key, type in "cmd", and press "enter".
This will open the command terminal. Use the "cd" command to change the directory to the one housing the cgminer zip file. Then, type in "cgminer. This will list all recognised devices on your PC. If your graphics card is detected, you should be good to go. If not, you'll have research the steps required to properly set up your specific graphics card. Now we'll make a batch file again, in order to start cgminer up with the correct parameters.
In this case, the command structure is:. Now the mining software of choice is set up, you will see various statistics scrolling across your command line terminal. If you are using cgminer, you will see more information than you would with cpuminer. In the case of the former, you will see information about the currency and the mining pool, as well as about your mining hardware.
If you're running cpuminer, you will only see references to blocks that your PC has solved; although, it does, at least, show your hashing speed. Good news for miners who own PCs with dedicated graphics cards: To make this possible, add a "-- threads n" argument to the minerd command. Here, "n" stands for the number of CPU cores that you wish to employ for mining. Remember to leave one or two cores free to control your GPUs, though.
Here are my initial settings for litecoin note that I did not include the "Thread-Concurrency" setting, we need to see how cgminer recognizes the TC count automatically first -- Shown below. Inside your file manager, navigate to your cgminer directory. Name the file cgminer. It should contain the following information:. Inside the script file, I automatically delete the. I do this every time cgminer starts up. By not deleting your. It's good practice to automatically delete this file.
The settings are as follows:. Now, we need to make the cgminer. Do this by going into terminal, navigate to the cgminer directory where the cgminer. Now that we have our cgminer. Now it's time to start cgminer for the first time. We will Open terminal, navigate to the cgminer directory, then execute the cgminer. Once cgminer starts up, let it run for a few minutes to see what the hash rate, and temperature is.
Take note of this information. Press "q" to quit cgminer. In your file manager, navigate to the cgminer directory, and look for the scrypt. In the file name, we will find the "Thread Concurrency" that cgminer has automatically established for the GPU.
We will use this number in our cgminer. Now we can add this to our cgminer. We will use this Thread Concurrency as our starting point. Note that we may change this later, if we can get a performance benefit.
We now have a good starting point, we can now start to over clock the settings to get the best performance out of the card. My mem-clock settings seemed to be the best between - Now it's time to adjust the gpu-engine.
From the main page on cgminer, press "G" , then press "C" , the press "E" to change the gpu-engine speed. For this I will increase the speed in increments of 15, waiting for a couple of minutes, and taking note of the results. Once cgminer locks up, or the hash rate drops significantly, that is where you will finalize your gpu-engine setting.
While fine tuning you may run into some of these frequent issues. This typically happens on mining litecoin, or other scrypt coin. You will notice the difference in the speed of hashing between bitcoin and litecoin. This is due to the differences in the proof of work scheme that litecoin utilizes. In my testing, I had my Thread Concurrency set at This is a significant increase in hashing power, just by adjusting a single setting.
In some cases not all , higher thread concurrency has negative effect on your hashing power. If you must adjust your Thread Concurrency, do so in increments of They seem to operate the best using 2 gpu-platorm, and an Intensity of I entered in the stock GPU settings into my cgminer.
Once cgminer started, I took note of the hashing speed, and temperature. Fine tuning your GPU to mine bitcoin is a little more straight forward, than litecoin. Inside cgminer, press the "G" key. Then, press the "C" key. This will place you at the main settings window, and we can start to adjust the settings. The first thing that I do, is lower the memory clock as far as possible.
By pressing "M", then enter lower memory setting. I usually start at , then move downwards. Using Linux, I was only able to lower my memory settings to , so this is my mem-clock setting I started with. High memory clock speed is not necessary for mining bitcoin. This is the opposite of litecoin. The adjustment of the gpu settings using linux is not the same as using windows. There are some definite limitations.
When I increased the engine clock, the memory clock would reset to the default mem-clock settings. For example, I increased the gpu-engine to , and I had to increase the mem-clock to for it to hold. That's up significantly from the E: So be aware about this quirk.
My final settings are gpu-engine: If you are just getting started with Linux, you can read the tutorial on how to: Install, and build cgminer to work on Linux. Hi there, i used your tutorial and i get the miner to work somehow.
I tried to change parameters, but that didn't help too much. I use the same config as you, and the hardware is almost the same Subscribe to this blog post. System pre-check We need to verify that cgminer recognizes your graphics card. Then enter this command: It should contain the following information: The settings are as follows: