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weepiess2383/
arc-bb75k-pretrain-jul21

Name: arc-bb75k-pretrain-jul21
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Archive: bb75k-pretrain-jul21

EMA-consolidated research checkpoint archive.

skip-28 lindep big-batch 4096x75k pretrain (Jul 21). Schedule-equivalence validated vs 2048x300k (frozen 90.85 / full-FT 94.30).

Each *.shards.stepNNNNNN/state.pt holds only the EMA payload (state['extra']['ema'], fp32, clean names) extracted from the original training checkpoint, fingerprint-verified against engine_meta.pt. Loadable directly by methods/lafm/vla_flow_ft.py:load_pretrain_trainables with init_use_ema=true. Optimizer states were not retained.

Manifest

json

[
  {
    "run": "lafm_vla_flow_neo2b_skip28_lindep_bb_bb75k_Jul21",
    "step_dir": "lafm_vla_flow_neo2b_skip28_lindep_bb_weights.ckpt.shards.step000070000",
    "source": "ema",
    "bytes": 1774687562
  },
  {
    "run": "lafm_vla_flow_neo2b_skip28_lindep_bb_bb75k_Jul21",
    "step_dir": "lafm_vla_flow_neo2b_skip28_lindep_bb_weights.ckpt.shards.step000075000",
    "source": "ema",
    "bytes": 1774687562
  }
]

weepiess2383/arc-bb75k-pretrain-jul21

Archive: bb75k-pretrain-jul21

Manifest

weepiess2383/
arc-bb75k-pretrain-jul21