---
name: "Arma 3: Launcher - Advanced Parameters"
type: topic
aliases: ["Arma 3 Launcher - Advanced Parameters"]
source: https://community.bistudio.com/wiki/Arma_3:_Launcher_-_Advanced_Parameters
revid: 226291
updated: 2021-01-31T17:54:10Z
---

# Arma 3: Launcher - Advanced Parameters

This page is summary of advanced parameters available in [Arma 3 Launcher](../topics/Launcher.md).\
Majority of these parameters is based on [Arma 3 startup parameters](../topics/Startup_Parameters.md).

### List of parameters

#### Advanced

- **Par** - Reads startup parameters from a file.
- **Check Signatures** - Introduced to provide thorough test of all signatures of all loaded banks at the start game.
- **CPU Count** - Define number of CPUs/cores available.
- **ExThreads** - Option to define extra threads.
  - File operations - Use a dedicated thread for file operations (enabled when ExThreads is 1 or 3 or 5 or 7).
  - Texture loading - Use a dedicated thread for loading textures (enabled when ExThreads is 2 or 3 or 6 or 7).
  - Geometry loading - Use a dedicated thread for loading geometry data (enabled when ExThreads is greater than or equal to 4).
- **Enable Hyper-Threading** - Enables the use of hyper-threading CPU cores which might slightly improve performance in certain scenarios.
- **Malloc** - Particular allocator to be used.
- **MaxMem** - Memory allocation limit to number (in MegaBytes).
- **MaxVRAM** - Defines Video Memory allocation limit to number (in MegaBytes).
- **Enable File Patching** - Allow unpacked data to be loaded.
- **No Logs** - Don't store the log.
- **World** - Select a world loaded by default.
- **Profile Path** - Location of user-profile folder.

#### Client

- **Server IP** - Server IP to connect to.
- **Server Port** - Server port to connect to.
- **Server Password** - Server password to connect to.
- **Host Session** - Start a non-dedicated multiplayer host.

#### Host

- **Server** - Start as dedicated server.
- **Server Port** - Port to have dedicated server listen on.
- **PID** - File to write the server's PID (process ID) to.
- **Ranking File** - Generates a ranking file.
- **NetLog** - Enables multiplayer network traffic logging.
- **Cfg** - Selects the Server Basic Config file.
- **Config** - Selects the Server Config File.
- **BEpath** - Defines the path to BattlEye.
- **Dedicated Server IP** - Allows server process to use defined available IP address.

#### Author

- **Buldozer** - Starts Buldozer mode.
- **Init Script** - Runs scripting command once in the main menu.
- **Do Nothing** - Engine closes immediately after detecting this option.
- **No Pause** - Allow the game running even when its window does not have focus.
- **No Sound** - Disables sound output.
- **No Land** - Starts with no world loaded.
- **Shows Script Errors** - Introduced to show errors in scripts on-screen.
- **Autotest** - Loads automatically a series of defined missions and on error writes to a log file.
- **Beta** - Loads the specified beta sub-folders. Separated by semi-colons.

#### Compatibility

- **No Context Buffers** - Turns off multicore use. It slows down rendering but may resolve visual glitches.

<sub>Source: [BI Community Wiki — Arma 3: Launcher - Advanced Parameters](https://community.bistudio.com/wiki/Arma_3:_Launcher_-_Advanced_Parameters) (revision 226291).</sub>