Recursor Update 12/29/25

| Video Type | Rec vs FFV1 |

|--------------------|-------------|

| Synthetic patterns | 6.9x better |

| Screen recording | 2.4x better |

| Test patterns | 22% better |

| Fractal zoom | 9% better |

Update:

That was using zstd vs FFV1 and some major improvements.

Using RARE-V we get

Results with RARE-V:

• mandelbrot.y4m: 4.51x (beats FFV1's 4.15x by 9%!)
• Roundtrip verified
• Compression time: 2:29 (faster than before!)