Nvidia GTX 980 Performance Improvements With The Latest ccMiner

24 Nov
2014

nvidia-geforce-gtx-980

Back in September with the release of the new Maxwell-based NVidia GPUs, the GTX 970 and GTX 980 we did some performance testing of the GeForce GTX 980 hashrate using the available at that time ccMiner and CudaMiner miners. Today, a bit over two months later we’ve decided to check how hings have progressed in terms of performance improvements of the various crypto mining algorithms with the latest optimizations available in ccMiner. We’ve used the just posted Maxwell-optimized ccMiner 1.5-git ccMiner fork from SP to get the performance results from the same GTX 980 GPU running at stock frequencies (overclocking can further increase performance).

gtx-980-hashrate-improvement-table

There is no surprise that there are some significant performance improvements in various crypto algorithms that have been achieved using various optimizations, but to our surprise there ware a few algorithms that did perform worse. The results we got from Groestl, HEFTY1 and JHA were a bit lower with the latest ccMiner than what we got in terms of performance back in September. Some other algorithms also don’t seem to have very big performance improvements such as Keccak, Luffa512 or NIST5, but the more popular and still profitable to mine algorithms do come with nice improvements. You can thank for the increase in performance to all of the developers that continue to work actively and optimize the performance out of which SP and tpruvot seem to be the most active lately, djm34, tsiv as well as others who have contributed code and also Christian Buchner and Christian H. – the creators of the ccMiner in the first place. Their code contributions and efforts in releasing their work publicly deserve some appreciation from the miners who are using Nvidia GPUs in order to keep them motivated. Below you can find the official donation addresses where you can send some coins for a beer or more to the each of the developers:

tpruvot
BTC: 1AJdfCpLWPNoAMDfHF1wD5y8VgKSSTHxPo
DRK: XeVrkPrWB7pDbdFLfKhF1Z3xpqhsx6wkH3
NEOS: NaEcVrdzoCWHUYXb7X8QoafoKS9UV69Yk4
XST: S9TqZucWgT6ajZLDBxQnHUtmkotCEHn9z9

SP
BTC: 1CTiNJyoUmbdMRACtteRWXhGqtSETYd6Vd
DRK: XdgfWywdxABwMdrGUd2xseb6CYy1UKi9jX

djm34
BTC: 1NENYmxwZGHsKFmyjTc5WferTn5VTFb7Ze

tsiv
BTC: 1QD25HSCF8EAxUTYj2XsXZNGBi7RvQ21p8
SPR: SfSEcVQGhbXvPQ2hkTj3vxSd9PEZA12efa

cbuchner
LTC: LKS1WDKGED647msBQfLBHV3Ls8sveGncnm
BTC: 16hJF5mceSojnTD3ZTUDqdRhDyPJzoRakM



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1 Response to Nvidia GTX 980 Performance Improvements With The Latest ccMiner

SP_

November 25th, 2014 at 08:48

On the 980 try the new intensity parameter -i 21 when mining x11.

The default intensity is set to run fast on the 750ti

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