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There is a new beta version of the ccMiner fork optimized especially for miners using Maxwell-based GPUs from Nvidia such as GTX 750, GTX 750 Ti, GTX 970 and GTX 980 supporting Compute 5.0 or 5.2 by SP. The new ccMiner release 1.4.7.SP (source) comes with some performance improvements for GTX 980 for the X11, X13, X15 algorithms as well as with multiple improvements for other algorithm supported and some increase in hashrate for GTX 750 Ti as well. The initial 1.4.7 release did have some issues with the X-based algorithms on GTX 750 however, so we’ve waited for these to be fixed and now it should work on GTX 750 Ti as well. We have a windows binary available from the latest source with all of the fixes and improvements available for download, it is compiled with VS2013 and the latest CUDA 6.5 version available in a single binary with support for both Compute 5.0 and Compute 5.2. Do note that older Nvidia video cards are not supported with this release, you should go for the latest tpruvot miner for older Nvidia-based GPUs. On a non-overclocked GeForce GTX 980 we are now getting up to about 7700 KHS for X11 as opposed to about 7550 KHS using the previous 1.4.6.SP beta miner that we have posted a windows binary of a few days ago, on GTX 750 Ti the improvements are not so notable.
– You can download the ccMiner fork by SP optimized for Maxwell GPUs for Windows OS here…
This is something that will be of interest for Nvidia GPU miners that use GeForce GTX 750/750 Ti or the newer GTX 970/980 GPUs – a new ccMiner fork with optimized kernels for the Maxwell architecture (Compute 5.0 or 5.2) by SP. The ccMiner release 1.4.6.sp.Beta6 (source) is forked from tpruvot’s release supporting most of the available algorithms, but the focus here is to get the maximum performance out of the Maxwell GPUs. We have compiled a windows binary of the miner that you can download from the below, it is a 32-bit version compiled with VS2013 and with the latest CUDA 6.5 that has official support for GTX 970 and GTX 980 GPUs. Do note that archive includes a compiled binary for Compute 5.0, so it will not work on older video cards that are not based on the Maxwell architecture. Our tests have show that on a stock GeForce GTX 980 video card with no overclock we are getting about 7550 KHS for X11 up from about 6500 with the ccMiner 1.4.5-tpruvot under the same conditions and on the same hardware, X13 is up to about 6000 KHS with the SP optimized miner versus about 5300 KHS with the version from tpruvot. So definitely worth trying if you have some Maxwell hardware and you are mining with it to get the best possible performance, overclocking of course also brings the hashrate higher.
– You can download the ccMiner fork by SP optimized for Maxwell GPUs for Windows OS here…
There is a new ccMiner fork for Nvidia GPUs that brings support for the Blakecoin (Blake-256) as well as other new algorithms and crypto coins supported in ccMiner. The new fork by user tpruvot on Github (source) supports not only the standard crypto currencies available in the official ccMiner but also BlakeCoin (256 8-rounds), NEOS blake (256 14-rounds), X14, X15, X17, WHIRL etc. The miner also adds some color options to make the output easily readable, instead of outputting everything as white text on black background. The precompiled Windows binary seems to work pretty well, though we’ve had some trouble using it on a system with two GPUs, but specifying a device option for each and running separately on GTX 780 Ti and GTX 750 Ti had no problems.
Do note that the source of this ccMiner fork is made to be compiled with CUDA 6.5 and Visual Studio 2013, though it can also be compiled on Linux, the binary releases available for Windows will also require you to have the most recent version of the Nvidia GPU driver in order to use them. You will need to download and install the latest GeForce 340.72 driver that brings support for CUDA 6.5 (if you are using older driver version), otherwise the miner may not function. The official binary release of the miner does come precompiled for Compute 3.0 and Compute 5.0, so it will not work on older video cards.
– To download the latest ccMiner binary release 1.4.1-tpruvot for Windows OS (CUDA 6.5)…