![]() The best way to find your ideal clock speeds is to start cgminer, and press “ G” while it is running to open the (G)PU menu. The author assumes no responsibility if you fry your computer. Some cards are more overclockable than others (the MSI 7950 that I recommend is one of the best), but most should yield at least some gain by tweaking clock speeds upward.ĭisclaimer: overclocking beyond factory default settings may cause system instability, harm your hardware, and/or invalidate your warranty. Overclocking your video cards will likely result in the largest overall mining gains, and it can be done right from within cgminer in most cases. With that said, if you don’t have a kill-a-watt, but you do have the same hardware that I recommend in the first part of this mining guide, then you can be relatively confident that all of the tweaks below will result in positive monetary gains for you (at current litecoin prices and mining difficulty, anyway). ![]() Amazon sells kill-a-watts for ~$17, which is cheaper than I’ve seen them anywhere else, and the device will likely pay for itself many times over. Electricity isn’t free (for most of us, anyway), and a small increase in hashing performance that costs an extra 150 watts may actually ending up costing you in the long run. Many of the tweaks outlined in this article will change the amount of power that your mining computer uses, and without the ability to measure power consumption, you have no way of making an informed decision about whether or not each change actually helps your bottom line. I want to preface this guide with a strong recommendation that anyone following it have access to a Kill-A-Watt (or similar device). ![]() There is nothing worse than having your mining rig(s) sit idle because your pool went down!Ĭlick “read more” for our mining performance optimization guide!īuild a Litecoin Mining Rig, part 4: Optimization In addition to increasing your mining speed, I’ll also show you how to set up a backup mining pool to automatically failover to in case your primary pool becomes unavailable. If you’re using the hardware that was recommended in the first part of this guide (or very similar hardware), you should expect to see a performance increase of 10% or more in your litecoin mining hashrate, compared to the baseline cgminer settings that were given in our Linux and Windows setup guides. The tweaks that I outline in this article are applicable whether you’re using Linux or Windows. ![]() This fourth installment of our litecoin mining guide will focus on getting the most out of your hardware-finding the sweet spot between maximum performance and acceptable power usage (and noise/heat generation!). My optimized rig: nearly 2 Mh/sec only 680 watts of power. ![]()
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