The command line didn't work, it didn't care of my setting. I've set to 4 in the config.
The hashrate displayed by the pool has big variations, between 33 and 200 H/s, having the 6h average 90 H/s and 3h average 77 H/s. So the setting change doesn't seem to help.
You can check threads count at startup, it will display: "* THREADS: [number]"
The pool and the miner calculate hashrate in different ways. The pool calculates it based on found shares. The miner calculates it based on generated hashes.What hashrate is in the miner?