Real performance benchmarks for the FLUX bytecode runtime ecosystem.
Platform: Oracle Cloud ARM64 (Ampere Altra, 4 cores, 24GB)
| Runtime | Factorial ns/iter | Speed vs C |
|---|---|---|
| Native C | 20 | 1.0x |
| Native Rust | 20 | 1.0x |
| FLUX C VM | 403 | 0.05x |
| Python | 1,885 | 0.01x |
| FLUX Python VM | ~141,000 | 0.0001x |
FLUX C VM is 4.7x faster than CPython for tight arithmetic.
| Language | Tokens to write factorial(10) |
|---|---|
| FLUX Assembly | ~20 |
| Python | ~25 |
| C | ~50 |
| WASM text | ~80 |
See BENCHMARK_REPORT.md for full analysis.