Record: SP8192 + Sliding-Window Eval + Conditional-PPM Byte Mixer Full-Val - val_bpb 1.015784#2039

Open

anmarhindi wants to merge 2 commits intoopenai:mainfrom

anmarhindi:submission-cond-ppm-fullval

Commits on Apr 30, 2026

Record: cond-PPM byte-conditional mixture — val_bpb 1.027004 (full val)
anmarhindi
committed

Commits on May 1, 2026

cond-PPM byte_0 mix: proper marginal for include_space (fixes per-token-uniform fallback) — val_bpb 1.015784
anmarhindi
committed