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Anyone using anything else for GPU mining than XMR-gpu-stak? It's giving just 38 h/s for my Nvidia 860M 4 GB GDDR5 GPU. Though NSCPUminer works fine and gives best hashrate available for my i7 CPU in the same laptop. This laptop is left just for mining only, so nothing else eating away anything...

did you tried this one?

https://bitcointalk.org/index.php?topic=2527462.msg28396744#msg28396744

i got 1800+ h/s on my monster testing server, 640h/s for 4cores of NVIDIA TESLA..

Yes, I tried that only, it's giving 38 h/s for this miner only. Do note that I have disabled CPU mining on this particular miner as it was also not giving best hashes for my CPU as well.
https://imgur.com/a/pzFIt

something is not OK with your config , i think... delete .txt files from xmr-stak (or better, backup them)... Then start the xmr-stak.exe and answer to all questions once to create again the config file
based on benchmarks, you could have 200+ h/s on your graphic card: http://monerobenchmarks.info/

Tried again by recreating config files, same issue. GPU hash rates not going over 38 h/s, no matter if I disable CPU mining or not via xmr-stak. What could be limiting it?

i think it can be driver, OS, or BIOS, but most probably driver

I tried updating/downgrading to the different Nvidia drivers which were claimed to be stable, but none of them lets it go over 38-39 h/s on GPU. I don't think Bios or OS should affect, as it's not for others as well. Is there some other version of xmr-stak available which I can try?

try : https://github.com/xmrig/xmrig-nvidia/releases
instructions: https://github.com/xmrig/xmrig-nvidia#usage you must choose -a cryptonight

but i think something is with your GPU (for example iu had NVIDIA TESLA and it was splitted to multiple devices/VMs)

Thanks for your help. Tried this release but got this error -

Code:

* VERSIONS: XMRig/2.4.2 libuv/1.14.1 CUDA/9.0 MSVC/2015
* CPU: Intel(R) Core(TM) i7-4710HQ CPU @ 2.50GHz x64 AES-NI
* GPU #0: GeForce GTX 860M @ 1019/2505 MHz 64x15 6x25 arch:50 SMX:5
* ALGO: cryptonight, donate=1%
* POOL #1: 80.211.205.216:3333
* COMMANDS: hashrate, health, pause, resume
[2018-01-29 01:51:20] use pool 80.211.205.216:3333 80.211.205.216
[2018-01-29 01:51:20] new job from 80.211.205.216:3333 diff 6477
[CUDA] Error gpu 0: :231 "unspecified launch failure"
Press any key to continue . . .

easy solution: use less threads in parameter (also be sure you are using --nicehash command switch)

Sorry, but can you please guide or post the exact command instructions to follow? I am a bit noob in this regard. Thanks.

unfortunately i have no nvidia card to use

use:

Code:

xmrig-nvidia -a cryptonight --nicehash -o stratum+tcp://80.211.205.216:3333 -u YOUR_BTC_ADDRESS_WITHOUT_SPACES -p x --cuda-max-threads=N

use N=1 and go up until you not get better result
also try to play with --cuda-affinity=N affine GPU threads to a CPU
and --cuda-bfactor=[0-12] run CryptoNight core kernel in smaller pieces

Finally worked with this miner software. Thanks a lot mate. Getting 205 h/s constantly with my GPU and 40-100+ from my CPU along with it using either xmrig CPU version or claymore. Cheers!