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Conceal XMRig CPU miner (CN Conceal supported)
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README.md

README.md

XMRig

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XMRig is a high performance Monero (XMR) CPU miner, with official support for Windows. Originally based on cpuminer-multi with heavy optimizations/rewrites and removing a lot of legacy code, since version 1.0.0 completely rewritten from scratch on C++.

Table of contents

Features

  • High performance.
  • Official Windows support.
  • Small Windows executable, without dependencies.
  • x86/x64 support.
  • Support for backup (failover) mining server.
  • keepalived support.
  • Command line options compatible with cpuminer.
  • CryptoNight-Lite support for AEON.
  • Smart automatic CPU configuration.
  • Nicehash support
  • It's open source software.

Download

Usage

Use config.xmrig.com to generate, edit or share configurations.

Options

  -a, --algo=ALGO          specify the algorithm to use
                             cryptonight
                             cryptonight-lite
                             cryptonight-heavy
  -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
      --rig-id=ID          rig identifier for pool-side statistics (needs pool support)
  -t, --threads=N          number of miner threads
  -v, --av=N               algorithm variation, 0 auto select
  -k, --keepalive          send keepalived packet for prevent timeout (needs pool support)
      --nicehash           enable nicehash.com support
      --tls                enable SSL/TLS support (needs pool support)
      --tls-fingerprint=F  pool TLS certificate fingerprint, if set enable strict certificate pinning
  -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)
      --cpu-affinity       set process affinity to CPU core(s), mask 0x3 for cores 0 and 1
      --cpu-priority       set process priority (0 idle, 2 normal to 5 highest)
      --no-huge-pages      disable huge pages support
      --no-color           disable colored output
      --variant            algorithm PoW variant
      --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
      --max-cpu-usage=N    maximum CPU usage for automatic threads mode (default 75)
      --safe               safe adjust threads and av settings for current CPU
      --asm=ASM            ASM code for cn/2, possible values: auto, none, intel, ryzen.
      --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
      --api-id=ID          custom instance ID for API
      --api-ipv6           enable IPv6 support for API
      --api-no-restricted  enable full remote access (only if API token set)
      --dry-run            test configuration and exit
  -h, --help               display this help and exit
  -V, --version            output version information and exit

Also you can use configuration via config file, default name config.json. Some options available only via config file: autosave, hw-aes. watch option currently not implemented in miners only in proxy.

Algorithm variations

  • av option used for automatic and simple threads mode (when you specify only threads count).
  • For advanced threads mode each thread configured individually and av option not used.
av Hashes per round Hardware AES
1 1 (Single) yes
2 2 (Double) yes
3 1 (Single) no
4 2 (Double) no
5 3 (Triple) yes
6 4 (Quard) yes
7 5 (Penta) yes
8 3 (Triple) no
9 4 (Quard) no
10 5 (Penta) no

Common Issues

HUGE PAGES unavailable

  • Run XMRig as Administrator.
  • Since version 0.8.0 XMRig automatically enables SeLockMemoryPrivilege for current user, but reboot or sign out still required. Manual instruction.

Other information

  • No HTTP support, only stratum protocol support.
  • Default donation 5% (5 minutes in 100 minutes) can be reduced to 1% via option donate-level.

CPU mining performance

  • Intel i7-7700 - 307 H/s (4 threads)
  • AMD Ryzen 7 1700X - 560 H/s (8 threads)

Please note performance is highly dependent on system load. The numbers above are obtained on an idle system. Tasks heavily using a processor cache, such as video playback, can greatly degrade hashrate. Optimal number of threads depends on the size of the L3 cache of a processor, 1 thread requires 2 MB of cache.

Maximum performance checklist

  • Idle operating system.
  • Do not exceed optimal thread count.
  • Use modern CPUs with AES-NI instruction set.
  • Try setup optimal cpu affinity.
  • Enable fast memory (Large/Huge pages).

Donations

  • XMR: 48edfHu7V9Z84YzzMa6fUueoELZ9ZRXq9VetWzYGzKt52XU5xvqgzYnDK9URnRoJMk1j8nLwEVsaSWJ4fhdUyZijBGUicoD
  • BTC: 1P7ujsXeX7GxQwHNnJsRMgAdNkFZmNVqJT

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