2026-10-08 10:34:48,923 generated new fontManager
2026-10-08 10:43:32,672 training: 258939 events from 50 chunks -> /traindatavol/collide2v/tt_hadronic_1M_v0/tt_hadronic_training.h5
2026-10-08 10:51:17,266 validation: 32643 events from 50 chunks -> /traindatavol/collide2v/tt_hadronic_1M_v0/tt_hadronic_validation.h5
2026-10-08 11:01:30,664 testing: 30411 events from 50 chunks -> /traindatavol/collide2v/tt_hadronic_1M_v0/tt_hadronic_testing.h5
2026-10-08 11:01:30,860 merged: {"rows_read": 6831615, "events_zero_weight": 5599217, "events_empty_ak4": 0, "events_input": 1232398, "events_written": {"training": 258939, "validation": 32643, "testing": 30411}, "n_files": 700}