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MicroBitcoin (MBC) Rainforestv2 Optimized ccminer from SP

9, Oct 2019

If you might be interested in MicroBitcoin’s (MBC) Rainforestv2 mining on Nvidia GPUs you might want to check out the latest optimized spmod ccminer fork that offers significantly faster performance than the publicly available official version from djm34 (rfv2 ccminer). A quick test shows that SP’s optimized miner (closed source binary available for Windows only) is about 4 times faster than the public open source version from djm34 on a GTX 1080 Ti GPU, so significant boost in performance is to be expected on other Nvidia GPUs as well.

The only drawback with MBC is that it is currently listed on just 2 small exchanges with very little volume, although with a hashrate a few times faster than before there could be some profit to be made at least initially, so you might want to check it out. It has a huge market capitalization as the project is not so new, but the trading volume is pretty low at the moment. The cmminer SPMOD for rfv2 is compiled with CUDA 9.2 and is a 64-bit only binary for Windows, so make sure you meet the requirements to run the miner software.

Update: And very soon after the release of the miner MicroBitcoin (MBC) has successfully forked to a new algorithm – yespower2b… a CPU friendly one and not GPU mining oriented apparently, so the optimized miner was usable for just a couple of hours before the fork. MBC apparently needs to keep all their information channels more up to date about tings such as upcoming hard forks!

– To download the Microbitcoin Rainforestv2 optimized spmod ccminer fork (Windows only)…

New ccminer 2.3.1 from Tpruvot with Lyra2REv3 Support and More

31, Jan 2019

It has been a quite a while since the last update of tpruvot’s ccminer fork (source), but there it is a new version 2.3.1 available now that comes with support for Lyra2REv3, sha256q, exosis and Blake2b standard algorithms. The official binary is 64-bit Windows only built with CUDA 10 for SM3+ devices, SM 7.5 architecture is also supported, but doesn’t seem to bring any advantage, for others variants you can build from the source code as the miner is opensource. Do note that CUDA 10 support requires an Nvidia video driver version 410.48 or newer.

The most notable thing abut the new release is the support for Lyra2REv3 that will soon be used by the Vertcoin (VTC) after the upcoming hardfork expected to happen in less than two days. The fork should happen in around February 2nd as it is planned for block 1080000, so make sure you are ready with the required local wallet upgrade (if you are using one) as well as with a miner supporting the new Lyra2REv3 algorithm like the latest ccminer from tpruvot available for Nvidia GPU miners.

– To download and try the latest ccminer v2.3.1 Windows 64-bit binary…

New Even Faster Raven x16r/x16s Spmod-git #8 fork of ccminer Available

20, Aug 2018

One more update from sp on his open source and free fork of supminer (ccminer) called Raven x16r/x16s Spmod-git #8 (source) with a bit more extra performance optimizations that should bring faster x16R/X16S with 5 to 7% over the previous release. It is always good to have competition, especially with open source code, though the z-enemy miner 1.16 released a few days ago seems to be a bit faster.

As a recommendation to get the maximum performance with this miner you should try to overclock the memory 500 MHz or more (depending on your GPU) and mine with a fixed difficulty at the pool (normally set the difficulty parameter to around half of the hashrate of the mining rig), so for example for a 100 MHS rig you should set -p d=50 in the bat file for running the miner. There is also an upcoming fork for Raven (RVN) that should take care of the difficulty readjustment problems it is currently having, so you should keep an eye out for mining RVN to become interesting soon again and not only at times of low difficulty for half a day every few days.

– To download and try the latest even faster Raven x16r/x16s Spmod-git #8 miner…


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