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RecompCore is a Dolphin fork with one addition: a CPU core that runs statically recompiled GameCube code as native functions, loaded per game as a module by disc ID, with transparent fallback to Dolphin's interpreter for anything uncovered. With no module present it behaves exactly like stock Dolphin, for any ISO.
| Measure | Result |
|---|---|
| Native dispatch coverage | 99.908% (24.30B native / 22.3M fallback, full game session) |
| Lockstep differential | 0 divergences over 37.7B dispatches (boot through a full match) |
| Speed vs stock JIT | ~real-time (97–100% by scene); the JIT keeps ~3.8× headroom |
| Module-less invariant | re-proven on two unrelated titles |
| Savestates | round-trip mid-match |
| Recompiler oracle suite | 239 differential cases, 0 unexpected |
No game data is included or distributed — bring your own ISO and build the module locally. See the README.