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Updated ccMiner 1.6-git fork by tpruvot with ZiftrCOIN Support

28, Mar 2015

ccminer-1-6-git-zr5-tpruvot

We have compiled a new windows binary for the ccMiner 1.6-git fork by tpruvot (source) that now has support for ZiftrCOIN (ZRC) GPU mining with support for Compute 3.0 or later Nvidia-based video. Our windows binary is compiled with VS2013 and CUDA 6.5 and supports Compute 3.0, 3.5, 5.0 and 5.2 GPUs, you can download and try it below, there is an example BAT file setup for testing hashrate at the Suprnova ZR5 pool. Depending on the GPU you are using you may try to increase the intensity of the ccMiner to get some extra performance, try with 25-26 instead of the default 20. We are getting up to about 3000 KHS on GeForce GTX 980. The GPU mining availability for ZiftrCOIN is going to make CPU mining the coin pointless, especially since it is now possible for both AMD and Nvidia GPUs, so you might want to switch to something else if you have idle CPU power for mining crypto currencies.

– To download the latest ccMiner version 1.6-git by tpruvot with ZR5 support for Windows OS…

Updated Windows Binary of the ccMiner 1.5.43-git Fork by SP for Maxwell

24, Mar 2015

ccminer-1-5-43-sp-mod

A new Windows binary compiled from the latest source code of ccMiner 1.5.43-git SP-MOD fork of the Nvidia GPU miner optimized for the latest Maxwell-based video cards by SP (source). The latest version comes with some fixes and some small performance improvements in multiple algorithms. The SP-MOD fork is designed for running on Nvidia Maxwell GPUs such as the already available GTX 750, 750 Ti as well as the newer GTX 960, GTX 970 and GTX 980. The windows binary release we have made available here is compiled with support for Compute 5.0 and Compute 5.2 GPUs or with other words only for Maxwell-based cards with CUDA 6.5 and VS2013.

– To download the latest ccMiner for Maxwell version 1.5.43-git by SP for Windows OS…

How Intensity Affects Performance in ccMiner

22, Mar 2015

ccminer-sp-mod-intensity

After a reader suggested that the difference in performance between different forks of ccMiner can be a direct result from the use of different default values for intensity we have decided to dig a bit into how the -i value affects hashrate. We have used ccMiner 1.4.2 SP-mod as an example along with WhirlpoolX on a GeForce GTX 980 GPU. The range of intensity that we have tested is between 10 and 26 with 26 being the default one for the ccMiner SP-mod. You can go with intensity of under 10, but the performance will drop further and there is actually no reason to do it, going over 26 is also possible but will hardly result in any performance increase. Going below Intensity value of 26 may be good thing to do if you are mining on your primary video card on a computer that you are using, so lowering the intensity can be useful in making things more responsive (even 1-2 steps can make a difference without much performance loss). You can see the results with different settings for intensity on our test setup below:

WhirlpoolX – GTX 980:
Intensity 10 – 4377 KHS
Intensity 11 – 8157 KHS
Intensity 12 – 17252 KHS
Intensity 13 – 34283 KHS
Intensity 14 – 67009 KHS
Intensity 15 – 99110 KHS
Intensity 16 – 107568 KHS
Intensity 17 – 140759 KHS
Intensity 18 – 175111 KHS
Intensity 19 – 199488 KHS
Intensity 20 – 214410 KHS
Intensity 21 – 222802 KHS
Intensity 22 – 225320 KHS
Intensity 23 – 228779 KHS
Intensity 24 – 231550 KHS
Intensity 25 – 231755 KHS
Intensity 26 – 232204 KHS


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