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Posts Tagged ‘cpu miner’

CPU Mining With the cpuminer-opt Free and Open Source Miner

21, May 2020

It has been a while since we last covered the cpuminer-opt software, but the good news is that its development hasn’t stopped and this should probably be your go to miner as far as CPU mineable crypto coins are concerned. Do note that cpuminer-opt is an open source mining software for processor mining that supports a lot of algorithms and that list is growing, though you will most likely be using just a couple of them nowadays. The miner has optimizations for older and newer AMD and Intel processors, so make sure you try the binary that is intended for your processor for best results or feel free to experiment.

The alternative that often comes handy as far as CPU mining is concerned is SRBMiner-MULTI that supports fewer CPU mining algorithms, but some of them could be more optimized compared to cpuminer-opt, and also has support for RandomX algorithms (mostly targeted at AMD Ryzen CPU miners). SRBMiner-MULTI however is also a closed source miner with a built-in developer fee, even if it is a verified and a trusted one, some people still prefer to use open source mining software only s far as crypto and not only is concerned.

Have in mind that cpuminer-opt is available as a pre-built and ready to be used binary only for Windows, it has its source code available for everyone, has no developer fees of any kind and is supported only with donations, so if you find it useful fee free to toss some coins to your friendly software developer JayDDee (joblo) on Bitcointalk to the following Bitcoin address: 12tdvfF7KmAsihBXQXynT6E6th2c2pByTT.

– To download and try the latest release of the cpuminer-opt mining software…

New SRBMiner-MULTI Miner 0.4.4 With Ethash and Ubqhash Support

10, May 2020

The latest SRBMiner-MULTI CPU and AMD GPU Miner version 0.4.4 adds support for Ethash and Ubqhash crypto algorithms and you might want to give the miner ago for these two particular algorithms if you ave a Navi-based AMD GPU (Radeon RX 5500/5600/5700 series) due to optimized kernel from Wolf9466. For other AMD GPUs mining Ethash and Ubqhash might not be the fastest, though you can still give a go on your mining hardware. We prefer to stick mostly to CPU mining with SRBMiner-MULTI as it is one of the fastest options for a number of algorithms and coins such as Micro Bitcoin’s Power2b algorithm. The new version also adds some useful options for the newly added algorithms and comes with some fixes and improvements in general, you can see the full changelog below.

SRBMiner-MULTI CPU & AMD GPU Miner 0.4.4 changelog:
– added ‘ethash’ algorithm
– added ‘ubqhash’ algorithm
– added parameter ‘--esm‘ to set ethash/ubqhash stratum mode for pool (0 – eth-proxy, 1 – miner-proxy)
– added parameter ‘esm’ to pools config (ethash/ubqhash stratum mode for pool (0 – eth-proxy, 1 – miner-proxy))
– added parameter ‘--enable-ethash-leak-fix‘ which tries to workaround AMD driver memory leak when recreating DAG.
– fixed algo switching and tweak_profiles miner freeze bug.
– --gpu-tweak-profile option can now be used with auto gpu setup in cmd.

SRBMiner-MULTI Miner is a closed source miner available for Linux and Windows, supporting CPU mining algorithms as well as some AMD GPU ones. The miner has a built-in developer fee of 2.50% for cryptonight_bbc and minotaur, 2.00% for bl2bsha3, no fee for blake2b and yespowerurx and 0.85% for all others that are supported.

– To download and try the new SRBMiner-MULTI CPU and AMD GPU Miner 0.4.4 Beta…

CPU Mining MicroBitcoin (MBC) Using the Power2b Algorithm

7, May 2020

MicroBitcoin (MBC) has started as a hard fork from Bitcoin at block 525000 some time ago, but since its inception it has moved through some changes and it its current form it is interesting for everyone that has spare CPU resources for mining. MBC currently employs a CPU-only mining algorithm called power2b which is essentially a yespower modification which is replaces sha256 with blake2b. Power2b or yespower2b is a CPU friendly algorithm with no GPU miners available and no apparent FPGA or ASICs miners available. So while a single CPU might not earn a lot of MicroBitcoin per day it is still something useful to do instead of having your CPUs sitting idle, and if you want to exchange the bitcoin into dollars there are tools as the Bitcoin to paypal services which help a lot of this.

There are a number of miners available with support for the power2b (yespower2b) algorithm with two of them that seem the most reasonable to be used. The fastest one at the moment of all variants that we have tried is the latest SRBMiner-MULTI miner closed source miner that has a 0.85% development fee and the bit slower cpuminer-opt that is open source and has no development fee (supported by user donations). Feel free to try them both on your hardware and see what works better, though in all our tests SRBMiner-MULTI has proved to be faster even with the extra dev fee. It is worth noting that Intel CPUs do manage to perform significantly better compared to their AMD counterparts, in fact an Intel Core i7-6850K (6C-12T) processor manages to get about 1550 H/s while an AMD Ryzen 9 3900X (12C-24T) surprisingly manages to get us just about 1000 H/s. So AMD Ryzen CPU users might be willing to stay away from this algorithm and use their CPU mining resource for RandomX and RandomX variations where the Ryzen CPUs do manage to get significantly better results compared to most Intel processors.

There are a number of mining pools available with support for MicroBitcoin (MBC) mining, but the top ones you might give a try are HashPool, Rplant, Zergpool, Zpool and SkyPool. Zergpool and Zpool support the option to mine MBC and get paid in MBCg or to mine MBC and have the coins autoconverted and sent as their BTC value, the other pools are just for mining MBC coins. The preferred crypto exchange with support for MBC to trade coins is Stex that has two trading pairs – MBC/ETH and MBC/USDT.

– For more details about the MicroBitcoin (MBC) crypto project on the official website…


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