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How Intensity Affects Performance in ccMiner
22 Mar2015
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
- Publihsed in: Tests and Reviews
- Related tags: ccminer, ccminer hashrate, ccminer intensity hashrate, ccminer intensity performance, ccminer performance, ccminer sp-mod, ccminer whirlpoolx, ccmner intensity
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5 Responses to How Intensity Affects Performance in ccMiner
Steven
March 22nd, 2015 at 22:16
Could use a graph – http://i.imgur.com/WpNZloH.png – feel free to insert :)
Guest
March 23rd, 2015 at 16:32
Does nearly anything on a 750 Ti
Tanguy Pruvot
March 25th, 2015 at 19:27
Could be nice to add than each step double the cuda threads numbers, so you can in theory run two instances on a single card reducing the intensity by 1
MisterE
June 10th, 2017 at 11:13
how do you change the intensity
xmorgen
March 10th, 2018 at 21:17
use -i option eg: -i 22