July 18, 2026 · software

fountain_engine v2 released — new SystemSolver-based architecture

fountain_engine · Rust · software · crates.io

fountain_engine v2.0 is now published on crates.io (v2.0.0 on July 17, followed by v2.0.1 with a systematic decode_status padding fix).

Version 2 re-engineers the encoder and decoder on top of core::system_solver::SystemSolver — belief propagation, inactivation, and Gaussian elimination over a sparse master-system representation — replacing the legacy belief-propagation / Solver stack of 1.x. By using an efficient BinaryMatrix, version 2 significantly boosts the engine’s performance.

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