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Version 1.7.2 of tpruvot’s ccMiner fork source) for GPU mining on Nvidia-based video cards has been released and it comes with official support for Vanillacoin (VNL) as well as Decred (DCR) support. Below you can find compiled Windows binaries to try out the mining them, both are Blake256-based, but with some different requirements such as the need to use longpoll and getwork, and no support for stratum for Decred for example. There are two versions available, the 32-bit one is with support for older Compute 2.1 and 3.0 GPUs while the 64-bit version is for the newer Compute 3.5, 5 and 5.2 cards. We have tested the new release on GTX 970 and the results are slightly better at about 1.35 GHS (with the 64-bit miner) than what we are getting with the cgminer fork for Decred that relies on OpenCL that is also compatible with Nvidia cards. The ccMiner fork might be helpful to people that are having very high CPU usage with cgminer that results in lower mining performance, though the CPU load is still not that low even with ccMiner. Also the use of ccMiner for mining Decred could result in less rejected shares from the pool and no weird errors as some people are experiencing with cgminer, so if you are mining DCR on Nvidia with cgminer, then you should try with ccMiner as well.
Vanillacoin (VNL) has forked to Blake256 as the default Proof-of-Work algorithm from the previously used WhirlpoolX algo, so you need to upgrade your wallet to the new version 0.4.3 and update your mining software as well to support the new Blake algorithm. Do note that the Blake256 algorithm used by Vanillacoin is not exactly the same as the one used by BlakeCoin as VNL uses double sha256 instead of single sha256. Tpruvot has already added support for the new Vanillacoin algorithm in his ccMiner fork (source), so you can use that for mining on Nvidia GPUs and soon we’ll probably see it in other forks as well. Support for the new Blake256 algorithm used by Vanillacoin is also available in a forked cpuminer-multi CPU miner (source) if you want to try CPU mining VNL. Below you can download updated Windows binaries for CPU mining (cpuminer-multi x64), Nvidia GPU mining (ccMiner) and AMD GPU mining (cgminer) if you want to try mining Vanillacoin with the new Blake256 algorithm.
There is now a Windows binary of a ccMiner fork available for mining Vanillacoin (VNL) that uses WhirlpoolX algorithm on Nvidia GPUs thanks to djm34. There is no source code released for the miner, only Windows binary that supports Compute 3.5 or newer Nvidia video cards. Do note that this version includes a 5% developer fee, so it will mine for the developer of the code to support his work! Also it seems that the miner only works on the two official VNL pools as well as the suprnova pool, it refuses to connect to to others. We are getting about 180 MHS on a stock GTX 980 GPU, though the author reports that is shold reach up to about 200 MHS, probably with some overclock it will. You should expect about 60 MHS on a GTX 750 Ti GPU according to the author of the miner code. Recently there was a boom of interest in VNL even though it has not yet been added on an exchange, though C-Cex is apparently going to add it very soon, meanwhile MRR, Beta Rigs and NiceHash/WestHash have all added support for the new WhirlpoolX algorithm, so apparently the user interest continues to grow. If you are looking for a high performance AMD GPU miner, you can find the latest sgminer fork with WhirlpoolX support here, it offers similar performance to what the same class of NVidia GPUs should provide using the ccMiner.