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FAIRC/token-averaging-model1_250m

Checkpoint dump from the token averaging research project.

  • run name: model1_250m
  • results tree: results

Contents

Loss logs

  • loss_log.csv

Checkpoints

  • checkpoints/final.pt
  • checkpoints/step_00050000.pt
  • checkpoints/step_00100000.pt
  • checkpoints/step_00150000.pt

Loading a checkpoint 

import torch
from huggingface_hub import hf_hub_download

path = hf_hub_download('FAIRC/token-averaging-model1_250m', 'checkpoints/final.pt')
state = torch.load(path, map_location='cpu', weights_only=False)
model.load_state_dict(state['model'])  # your OLMAveraged / OLMTransformerBody
print(state['step'], state['tokens_seen'], state['cumulative_flops'])

These are not Hugging Face transformers weights. Rebuild the architecture from config.json → model_config (or from experiments/chinchilla/model_configs.py in the source repo) and load the raw state_dict.

Architecture 

{
  "d_model": 1024,
  "n_heads": 16,
  "n_layers": 16,
  "context_len": 1024,
  "averaging_k": 1,
  "tie_embeddings": true,
  "lr": 0.00014,
  "warmup_steps": 2000,
  "target_tokens": 5000000000,
  "n_params_approx": 252789760
}