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It seems that djm34, has been working on adding NeoScrypt algorithm support to ccMiner and he apparently already has a well performing work in progress fork of ccMiner. The Nvidia GPUs ccMiner fork with NeoScrypt support however is going to be made public if there is enough user interest and the crowdfunding reaches the total sum of 5 BTC in the form of donations going to the author. If the crowdfunding goal is not reached the miner might be made available only to the people that have donated. Also further improvements in the hashrate are probably possible, so the miner might get even faster over time.
Current speed of the miner:
GTX 750ti: 127 KHS
GTX 780ti: 212 KHS
GTX 980: 427 KHS
Donation will have to be made to that BTC address: 18UZRrybgjmR4M53Aca4Q8YBguqErZ5qaP
If you are interested in mining NeoScrypt-based crypto coins and this goes not only for Feathercoin (FTC), but a few more NeoScrypt altcoins and are using Nvidia GPU mining rigs you are more than welcome to support the project.
– For more information about the crowdfunding campaign for ccMiner with NeoScrypt support…
When the new sgminer 5 develop version was updated to include the latest Neoscrypt OpenCL kernel from Wolf9466 a few days ago it has turned out that the latest performance optimizations do break compatibility with Nvidia cards as well as with the latest AMD video drivers. The solution was to use older AMD Radeon drivers to generate the kernel binary and them get back to the latest, but now there is an even easier workaround that was discovered by an user called insanid from the Feathercoin forum that does not require you to instal different drivers. All you have to do is to include the OpenCL libraries from an older driver such as 14.6 or 14.7 in the folder of the sgminer and the miner will generate properly the kernel binary file. Then you can either run sgminer for Neoscrypt with these DLL files in the folder or remove them and use the ones installed by the latest video drivers such as 14.9. To make it easier for you we have included the OpenCL DLL libraries in our windows binary compilation of the latest sgminer 5 development branch (source) and you can download the full package from the link below and try this workaround yourself.
– You can download the new sgminer 5 with the NeoScrypt fix for Windows OS here…
The newest development version of sgminer 5 (source) now includes an updated kernel for the Neoscrypt crypto algorithm by Wolf9466 that increases the hashrate significantly from the previous release. There is a catch however, the new kernel does not work anymore on Nvidia GPUs, you need to use the previus release for these. Also it seems that the latest kernel optimizations break support for the latest 14.9 AMD drivers, at least on Windows, so you need to use an older driver version (14.6 or 14.7 for example) to generate the kernel binary and then update again to the latest driver for the maximum performance (much like with the older cgminer 3.7.7 fork with Neoscrypt). The new OpenCL kernel is designed to be used with Worksize of 64 for optimum performance and with it you should be able to achieve hashrate of up to about 200-250 KHS or even more with Radeon R9 280X GPU or up to abut 250-300 KHS for Radeon R9 290/290X. We have compiled a windows binary that includes the latest optimized kernel that you can download and try from the link below, if you try it out feel free to share your results from using it.
– You can download the new sgminer 5 with improved NeoScrypt hashrate for Windows OS here…