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If you are getting ready for the upcoming VertCoin (VTC) fork from Scrypt-N to Lyra2RE algorithm that is planned to happen in about 10 days, then you might want to update your wallet. Since this is a hardfork you will need to upgrade your wallet to the new release 0.9.0.0 and also to be able to continue mining VTC you will have to get the new miners with Lyra2RE support. The good news is that we already have miners for both AMD and Nvidia GPUs available, even though they are early release candidates you cna try them out locally on testnet before the actual fork happens and pools will switch to Lyra2RE mining for VertCoin around 16th this month at block 208301. Below you can find links for the source code of the miners along with official windows binary releases available on GitHub, tpruvot has also added support for Lyra2RE to his ccMiner fork and we are probably going to be seeing more forks with Lyra2RE support getting added soon.
– To download and try the sgminer fork with Lyra2RE algorithm support for AMD GPUs…
– To download and try the ccMiner fork with Lyra2RE algorithm support for Nvidia GPUs…
SpreadCoin (SPR) is not a new coin, but it was a mine-able only with CPU up until yesterday when an AMD GPU miner was released and today the coin also got an Nvidia GPU miner that is apparently much faster than the AMD one. The AMD OpenCL miner is available on the official SpreadCoin GitHub page (source) and there is a compiled windows binary available on the official coin website. You can get the spreadminer for Nvidia GPUs thanks to tsiv who created it (source), there is an official windows binary release for Compute 3.0 to 5.2 GPUs available on his GitHub page as well that you can download and use directly.
SpreadCoin uses SpreadX11 algorithm and does not use mining pools, you can only solo mine the coin, so you need to make sure that you have created spreadcoin.conf file with the required settings to be able to connect the miner to the wallet running on one of your computers. The config file needs to be placed in the Users\ YOURUSERNAME \AppData\Roaming\SpreadCoin folder and named spreadcoin.conf and then you need to restart the wallet, also make sure that you have downloaded the block information before trying to run a miner. You can find an example settings for the config file below if you haven’t solo mined yet and this will be the first coin that you try and don’t forget to set the username and password in the miner config to be the same and also allow any additional IP addresses or a range that will be connecting to the wallet:
rpcuser=username
rpcpassword=password
rpcallowip=127.0.0.1
rpcallowip=192.168.0.*
rpcport=41677
port=41678
gen=0
server=1
For the moment you would probably want to try out the coin if you have an Nvidia GPUs as they are performing much better in terms of hashrate than what you can get on AMD GPUs. On a stock Radeon R9 280X we managed to get just about 800 KHS using the official OpenCL miner and with the Nvidia CUDA miner on a GTX 750 Ti card we easily got over 1400 KHS, trying it out on a GTX 980 we’ve managed to squeeze close to 4500 KHS. So if you have some Nvidia GPUs, especially Maxwell-based cards you might want to mine some SpreadCoins while the difficulty is not way too high to be worth mining with one or just a few cards. Also do not forget that with solo mining luck plays an important role as well and you might get lucky and find more blocks in short time or not and wait more for little blocks, so give the miners some time.
– For more information about SpreadCoin check the official announcement thread on Bitcointalk…
The ccMiner for Nvidia GPU mining for crypto coins is finally getting more like cgminer for AMD in terms of supported features thanks to developers like tpruvot. The more recent versions including the latest 1.4.9 of his ccMiner fork (source) have introduced features such as the ability to control the intensity of the GPU load, basic API functionality to get stats available to other software, support for JSON-based config file and now also nvapi/nvml support for GPU monitoring and possibly control. We have compiled a Windows binary from the latest source since there is still no official one released with the latest features and you can find a link to download it below. The binary is compiled with VS2013 and CUDA 6.5, however it includes support for Compute 3.0, Compute 3.5, Compute 5.0 and Compute 5.2 GPUs and not only for the new Maxwell-based cards. The latest version also does include some of the optimizations from SP’s ccMiner fork optimized for Maxwell, so you can expect to get similar performance on Maxwell cards such as GTX 750 Ti or GTX 970/980 with this release from tpruvot. The only thing that we still haven’t figured out is how to make GPU monitoring work as we are getting an error message saying that it i not available.
Update: There is now an official release of 1.4.9 available with some additional fixes and changes in the API, so you can download it directly from tpruvot’s Github repository, link below is updated to point to it.
– To download the latest ccMiner version 1.4.9 by tpruvot for Windows OS (CUDA 6.5)…