Ryujinx is available on a self-managed GitLab instance under the <ahref="https://git.ryujinx.app/ryubing/ryujinx/-/blob/master/LICENSE.txt?ref_type=heads"target="_blank">MIT license</a>.
They are released every month or so, to ensure consistent updates, while not being an annoying amount of individual updates to download over the course of that month.
The CPU emulator, ARMeilleure, emulates an ARMv8 CPU and currently has support for most 64-bit ARMv8 and some of the ARMv7 (and older) instructions, including partial 32-bit support.
It translates the ARM code to a custom IR, performs a few optimizations, and turns that into x86 code.
There are three memory manager options available depending on the user's preference, leveraging both software-based (slower) and host-mapped modes (much faster).
The fastest option (host, unchecked) is set by default.
Ryujinx also features an optional Profiled Persistent Translation Cache, which essentially caches translated functions so that they do not need to be translated every time the game loads.
The net result is a significant reduction in load times (the amount of time between launching a game and arriving at the title screen) for nearly every game.
NOTE: This feature is enabled by default in the Options menu > System tab.
You must launch the game at least twice to the title screen or beyond before performance improvements are unlocked on the third launch!
These improvements are permanent and do not require any extra launches going forward.
The GPU emulator emulates the Switch's Maxwell GPU using either the OpenGL (version 4.5 minimum), Vulkan, or Metal (via MoltenVK) APIs through a custom build of OpenTK or Silk.NET respectively.
There are currently six graphics enhancements available to the end user in Ryujinx: Disk Shader Caching, Resolution Scaling, Anti-Aliasing, Scaling Filters (including FSR), Anisotropic Filtering and Aspect Ratio Adjustment.
These enhancements can be adjusted or toggled as desired in the GUI.
You can configure all of them through the graphical interface or manually through the config file, `Config.json`, found in the Ryujinx data folder which can be accessed by clicking `Open Ryujinx Folder` under the File menu in the GUI.
