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Posts Tagged ‘AMD GPU miner’

Are You Ready For The Ravencoin (RVN) Fork Tomorrow

30, Sep 2019

Tomorrow Ravencoin (RVN) will be forking at 16:00:00 UTC and the fork comes with a change from the current X16R to the new X16RV2 algorithm and you need to make sure you are ready for the switch. First off you need to make sure that you have the latest Raven Core wallet installed (if you do use a local wallet). Mining pools should be updated already or should make sure they are also ready for the switch of the algorithm before the fork occurs, so nothing to worry about that, just make sure that the mining ports and URLs will remain the same after the fork. You would of course also need to update your mining software, depending on the hardware you use, in order to be able to continue mining wit the next X16Rv2 algorithm after the fork occurs. There are already a couple of software miners that announced support for the X16Rv2, though not all of the ones with X16R support are ready for the new algorithm, below are listed the ones that already support X16Rv2 mining on AMD, Nvidia and CPUs.

Nvidia GPU miners with X16Rv2 support:
– z-enemy 2.2 Nvidia GPU miner (1% dev fee)
– T-Rex 0.14.4 Nvidia GPU miner (1% dev fee)

AMD GPU miners with X16Rv2 support:
– teamredminer v0.5.9 AMD GPU miner (2.5% dev fee)

CPU miners with X16Rv2 support:
– cpuminer-opt 3.9.8 CPU miner (free and opensource)

New sgminer 5.1.0 fork with Yescrypt Support Available

2, May 2015

sgminer-5-1-0-yescrypt

You can now mine GlobalBoost-Y (BSTY) with AMD-based video cards thanks to a new fork of sgminer 5.1.0 from djm34 that adds support for Yescrypt (source) and we have compiled a windows binary that will allow you to try it out. The windows binary is compiled for x86, so it should work on wider range of systems using 32-bit or 64-bit Windows. Do note that Yescrypt GPU mining is still in early stage, so it might be a bit buggy initially and further optimizations in performance should be possible as this is a preliminary work to port the algorithm to GPU support. The coin does seem to handle well high intensity, so you should start low with 9 for example, also lower worker size such as 16 and 512 threads could be a good start. We are seeing a performance of about 700 hashes per second on a non-overclocked AMD Radeon R9 280X GPU with the settings above, but you are welcome to experiment. Do note that there is still more to be desired from the GPU miner as it is not faster than mining Yescrypt with an up to date CPU, for example a single Intel Core i7 5820K CPU achieves around 5.1 KHS mining GlobalBoost-Y (BSTY).

Update: There is now a slightly faster yescrypt kernel available that allows you to get some extra speed, we got to almost 800 Hashes per second with it, you can download the updated version from the link below. Also the latest version includes yescrypt-multi algorithm for Nvidia Maxwell GPUs (Compute 5.0 or newer) that may provide faster performance than the ccMiner release according to the author, though in our case ccMiner was still faster.

– To download and try the sgminer 5.1.0 Yescrypt GPU miner for Windows OS…

Getting The Optimum Mining Performance on AMD GPUs

12, Mar 2015

amd-opencl-dlls

If you are using AMD Radeon-based video cards for mining crypto currencies you have probably noticed that some algorithms have issues with various video driver versions or the performance you get may differ between older and newer version. Since the AMD miners use OpenCL there is an easy solution that can help you deal with driver version issues and to get the optimum hashrate for a specific algorithm. There is not need to reinstall the complete video driver, you can just copy the OpenCL DLLs from the respective driver version inside the same folder where the software miner is (cgminer or sgminer) and when you run the miner it will load the different OpenCL version, regardless of what video driver you have installed. Do note that you need to delete the compiled kernel BIN file for the respective algorithm or algorithms when replacing the OpenCL DDL files in order to get the kernel recompiled with the different version. You can download the different AMD Radeon drivers OpenCL version 13.12, 14.4, 14.6 RC2, 14.8, 14.9 and 14.12 in a single package from the link below and try out what performance you will get by replacing the DLL files inside the miner software’s folder.

– To download and try AMD OpenCL DLL files from different drivers for Windows OS…


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