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Getting Started Mining CandyCoins

Posted by    |   August 24th, 2014   |   No Comments

Here is a super quick introduction to getting started mining CandyCoins. Using a Windows computer with a modern video card, you can likely get in on the CandyCoin mining action with what you have under your desk right now!

Note that this isn’t a comprehensive guide, nor is it meant to be any authoritative information source – it’s simply a quick and dirty guide to getting started for anyone who hasn’t yet done any mining. Also, note that if you currently do not have the necessary hardware (eg a high end video card), DO NOT purchase an expensive video card simply for mining! If you want to invest any money in mining equipment, modern ASIC based miners are much faster, cheaper and provide many times the hash rate per watt than GPU mining can.

  1. Check if you have the necessary equipment. You will need an AMD or Nvidia GPU that is fairly modern. This list provides a fairly decent comparison of the expected performance of different video cards, so you can check the list and decide if your video card is up to the task.
  2. Download a compatible miner. This will depend on which chip (GPU) is in your video card. For AMD GPU’s, you’ll want to use either CGMiner or BFGMiner. For Nvidia GPUs, take a look at CUDA Miner.
  3. Sign up to one of the mining pools. Currently, these are Pool #1 (USA) and Pool #2 (Singapore). Once you’ve signed up, be sure to create at least one worker account. Note that password is really not important, in fact it would be to your benefit if someone else mined for you! The usual best practice is just to use "x" for the password, but it’s your call.
  4. Configure your miner. Create a batch file that loads up your miner with the correct parameters. You can find lots of example configurations online, but you’ll almost always need to do some tuning to get the best performance. The main thing of course is making sure you point your miner to the pool you selected, setting the algorithm to "scrypt", and setting your worker username and password. See below for a brief example that can be used with CGMiner and BFGMiner.
  5. Start mining! Load up your miner; after a few seconds you should see some numbers start showing up. Interpreting the values can be a bit difficult, depending on the software you’re using. Basically the main thing you want to look at is the current hashrate – this is how well your GPU is performing. It’s also important to look at accepted and rejected shares and if you’re getting to many hardware errors you might need to throttle back your card.
  6. Monitor your performance! Log into the pool and keep tabs on how your miner is doing!

An example configuration:
cgminer.exe -o stratum+tcp:// -u myusername.1 -p mypassword -I 15 --scrypt --gpu-fan 100

Note that there’s a lot of tuning that can be done to squeeze more performance out of the GPU, these additional options have been intentionally omitted – there are lots of guides on the net on tuning, and with some patience and effort, you can squeeze every last hash/sec out of your hardware.

But at the very least, you’ll need to play with the -I (intensity) setting. This maxes out at 20, but you may not be able to run your card that fast, at least not without additional cooling. At any rate, start low and work your way up and see how high you’re able to go before you experience issues. You may also be able to get away with using –auto-fan in lieu of –gpu-fan, but you’re almost always safer with this setting.

It’s also advisable to enable some of the built-in safety measures, for example, options such as these:
--temp-target 70 --temp-overheat 75 --auto-fan

For more information, consult the README file included with the miner software of your choice.

Also, if you find you’re not getting expected performance out of your AMD card, try adding this line to the beginning of your batch file:

However, when your card is running this way it will be unusable for any desktop operations so don’t expect to be mining in the background and have Windows fully usable.

In closing, it is important to mention that using a video card to mine is not the cheapest or most cost-effective way to mine. When mining, video cards generate a lot of heat, consume a lot of power, and are very loud. Not to mention that running a video card flat out 24/7 will invariably shorten it’s lifespan. On the other hand, if you want a simple option for mining without the hassle, eBay is full of folks selling their mining services at rock bottom prices!

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