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New Ethminer 0.9.41-genoil-1.1.6 pre-release Windows Binary

20, Jun 2016

ethminer-genoil-1-1-6-pre-nicehash-stratum

Time for a new Windows binary of the latest pre-release version of Genoil’s ethminer 0.9.41 fork 1.1.6 (source). This time the focus is the addition for support of Nicehash’s Ethereum stratum implementation with extranonce subscribe for optimum performance when mining altcoins based on the Dagger-Hashimoto algorithm such as Ethereum (ETH). The binary is compiled with CUDA 8.0, supports both Nvidia CUD and AMD OpenCL mining modes, and is a pre-release version for testing the newly implemented features, you should not expect hashrate increase, though this version should do well when used with NiceHash, so you are welcome to test the new feature and report any issues you encounter. We have already done some comparison on what to expect selling your DaggerHashimoto (Ethash) GPU hashrate at NiceHash with the current price and mining directly for Ethereum and then selling the Ether coins for BTC. The results are below and it seems that even with the current low exchange rate as compared to what it was some days ago before the DAO hack it is still more profitable to mine ETH directly and sell it for BTC.

120 MHS mining hashrate ~ 1 ETH per Day:
– Ethereum Mining – 0.0159 BTC/Day
– Nicehash DaggerHashimoto – 0.0128 BTC/Day

– To download and try the latest Ethminer 0.9.41-genoil-1.1.6 pre-release for Windows OS…

Windows Binary of the ccMiner 1.7.6-r6 fork With Faster Lyra2RE

18, Jun 2016

ccminer-1-7-6-r6-lyra2re

Here comes an updated ccMiner 1.7.6-r6 Widows binary of the Nanashi Meiyo-Meijin fork (source) with optimized Lyra2REv2 performance. The latest r6 update might bring a slight performance increase in Lyra2REv2, however it significantly increases the performance of the Lyra2RE algorithm based on the few tests we ran, results of which you can find below comparing the r5 and r6 released on different Maxwell GPUs and the new Pascal GTX 1080.

ccMiner 1.7.6-r5 Nanashi Meiyo-Meijin:

Nvidia GTX 970
– Lyra2RE 1.65 MHS
– Lyra2REv2 21.49 MHS

Nvidia GTX 980 Ti
– Lyra2RE 2.43 MHS
– Lyra2REv2 31.38 MHS

Nvidia GTX 1080
– Lyra2RE 2.61 MHS
– Lyra2REv2 47.68 MHS

ccMiner 1.7.6-r6 Nanashi Meiyo-Meijin:

Nvidia GTX 970
– Lyra2RE 2.83 MHS
– Lyra2REv2 21.55 MHS

Nvidia GTX 980 Ti
– Lyra2RE 4.48 MHS
– Lyra2REv2 32.18 MHS

Nvidia GTX 1080
– Lyra2RE 6.54 MHS
– Lyra2REv2 48.31 MHS

You can download a 32-bit Windows binary of the ccMiner 1.7.6-r6 fork from Nanashi Meiyo-Meijin compiled with VS2013 and CUDA 8.0 with a wider range of Nvidia GPUs supported – from Compute 2.0 all the way up to Compute 5.2 (we have only tested it with Maxwell and Pascal GPUs though). You can follow the development of this fork on the official dev thread, though it is in Japanese and you may need to use an online translation service.

– To download the latest ccMiner 1.7.6-r6 with faster Lyra2RE hashrate for Windows OS…

Nvidia GeForce GTX 1080 Overclocking and Mining Hashrate

18, Jun 2016

gtx-1080-overclock-afterburner
Time to overclock monitor or even some overclocking of the GeForce GTX 1080 Founders Edition and running the tests again to see what hashrate increase can we expect from the GPU with the increased operating frequencies. The Founders Edition cards are somewhat limited in the max power you can get by the presence of only one 8-pin PCI-E power, default TDP limit of 180W and a Power Limiter that allows for just 20% increase over the default TDP (216W max TDP). We already know that the GTX 1080 and GTX 1070 GPUs are handling quite well overclocking and you can squeeze a lot more from them if you are not limited and don’t care than much about the power usage. Unfortunately for some more serious overclocking you will have to wait for the GTX 1080 cards that come with custom cooling solutions form Nvidia’s partners that will allow for more serious overclocking. Meanwhile we are pushing the GTX 1080 Founders Edition to what it can do without touching the core voltage and doing some benchmarks with: Power Limit + 20%, Core Clock + 240 MHs, Memory Clock + 125 MHs, the max settings that are running stable for 24/7 mining on our test card and the results are below.

gtx-1080-stock-vs-oc-hashrate
As you can see from the table of hashrate results with the stock settings and the overclocked GTX 1080 the average performance increase we are getting is about 12%. A result that is not bad, but a more serious overclock can help us get even more hashrate from the GPU, unfortunately making it less attractive in terms of hashrate per watt. The problem with low performance for Neoscrypt and not that great for Lyra2RE still remain and unlike with Ethereum where we see some, though not enough, performance boost testing under Windows 10, with these two algorithms Windows 10 does not help, so they really need GPU specific optimizations to max out performance unlike the other algos that already scale pretty well on the GTX 1080. Other algorithms also do not show any significant difference in results between Windows 7 and Windows 10, so no need to upgrade or downgrade your OS. Of course for Ethereum mining on GTX 1080 or GTX 1070 you would still need to go for Linux for the best possible performance as still Windows hashrate is not satisfactory at all.


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