figure: fpo-policy's square cells from E37 - #90
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September 27, 2026 09:34
…-ratio' and 'origin/feat/dppo-square-variant' into exp/e37-square-fpo-policy
…' into exp/e37-square-fpo-policy
…ur-cloned start E35's clone (0.44 / 0.38 success), observation statistics frozen (#82), the critic from the run's own initialisation; fpo-square under FPO with FPO++'s square fine-tuning (60 iterations of 48,000 steps), dppo-square under dppo square with E33's flow-policy changes (40 of 80,000); three seeds each. Learns: success over the last ten iterations at least +0.2 over the iterations the clone collected unchanged, on 2 of 3 (E34's rule). Written after the two pilots in results/pilot.txt, before the registered run.
…r DPPO (3 of 3) and falls under FPO (0 of 3)
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Stacked on #89 (E37), whose commits this branch contains: merge #89 first. The site part is PlugRL/plugrl.github.io#19, which goes last.
This moves fpo-policy's two square cells off E27, which started from random weights, onto E37, which fine-tunes E35's behaviour-cloned start.
fpo-dppo-squareis now learns (E27, E35, E37). Success went from 0.37–0.41 to 0.78–0.80 on 3 of 3 seeds. The clip is from the median seed's final checkpoint and succeeded 5 of 5.fpo-fpo-squarestays runs, with a new note: from a clone at 0.52–0.55 it falls to 0.26–0.39, and that fall is our FPO's defect, still being traced. The clip is from the median seed's final checkpoint and succeeded 4 of 5. Five episodes say little against a training rate of 0.35, and E37's FINDINGS says so.commands.jsonnow has both cells' E37 commands.E35_BC_CHECKPOINTis a placeholder, as the DPPO checkpoint already was.This belonged in #88, but #88 was merged before these commits landed. They then recreated its deleted branch by accident, so they now sit on
figure/square-e37instead.