-a, --algo=ALGO           cryptonight (default) or cryptonight-lite
  -o, --url=URL             URL of mining server
  -O, --userpass=U:P        username:password pair for mining server
  -u, --user=USERNAME       username for mining server
  -p, --pass=PASSWORD       password for mining server
  -k, --keepalive           send keepalived for prevent timeout (need pool support)
  -r, --retries=N           number of times to retry before switch to backup server (default: 5)
  -R, --retry-pause=N       time to pause between retries (default: 5)
      --cuda-devices=N      List of CUDA devices to use.
      --cuda-launch=TxB     List of launch config for the CryptoNight kernel
      --cuda-max-threads=N  limit maximum count of GPU threads in automatic mode
      --cuda-bfactor=[0-12] run CryptoNight core kernel in smaller pieces
      --cuda-bsleep=N       insert a delay of N microseconds between kernel launches
      --cuda-affinity=N     affine GPU threads to a CPU
      --no-color            disable colored output
      --donate-level=N      donate level, default 5% (5 minutes in 100 minutes)
      --user-agent          set custom user-agent string for pool
  -B, --background          run the miner in the background
  -c, --config=FILE         load a JSON-format configuration file
  -l, --log-file=FILE       log all output to a file
  -S, --syslog              use system log for output messages
      --nicehash            enable nicehash support
      --print-time=N        print hashrate report every N seconds
      --api-port=N          port for the miner API
      --api-access-token=T  access token for API
      --api-worker-id=ID    custom worker-id for API
  -h, --help                display this help and exit
  -V, --version             output version information and exit