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New sgminer 5.1.0 fork with Optimized Lyra2RE Kernel
11, May 2015
Back in February we’ve mentioned about a crowdfunding project for a new optimized Lyra2RE optimized kernel by a used called pallas on the Bitcointalk forum. Now the source code of the optimized kernel, along with the sgminer fork, has been released by pallas and we have compiled a windows binary of the miner for everyone that is interested in trying it out on Windows. Our quick test has shown about 640 KHS hashrate mining Lyra2RE with the compiled binary and the optimized kernel on a non-overclocked Radeon R9 285 GPU (with slight factory OC of the card) by increasing a bit the intensity from the default 15. The result was achieved using the AMD 15.4 Beta driver, though you might want to use the latest official 14.12 release for better performance. You are welcome to experiment and report what hashrate you are getting with this sgminer fork and optimized kernel on your GPU. Do note that this fork of sgminer only comes with kernels supporting Lyra2RE, therefore it is not intended for mining with other algorithms.
– To download and try the sgminer 5.1.0 with optimized Lyra2RE kernel for Windows OS…
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…
We have compiled a new Windows binary from of sgminer version 5.1.1 from the latestsource as it includes some fixes and optimizations since our last binary release. The latest sgminer 5.1.1 should also have better performing WhirlpoolX implementation thanks to Wolf0’s kernel getting integrated. The idea of the official sgminer is that it combines almost all of the available algorithms in a single miner package and that is what makes it useful for GPU miners along with a functionality that should allow you to easily switch between them. Do not that the performance of all of the various kernels included in the official sgminer may not be as optimized as in some dedicated releases for a specific crypto algorithm out there.
– To download and try the latest sgminer 5.1.1 miner binary for Windows OS…