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picochat

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picochat
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{
  "step": 2165,
  "val_bpb": 0.8475956669593342,
  "model_config": {
    "sequence_len": 512,
    "vocab_size": 32768,
    "n_layer": 18,
    "n_head": 9,
    "n_kv_head": 9,
    "n_embd": 1152,
    "window_pattern": "L",
    "use_mla": false,
    "kv_lora_rank": 512,
    "qk_lora_rank": 1536,
    "qk_nope_head_dim": 128,
    "qk_rope_head_dim": 64,
    "v_head_dim": 128,
    "use_ssa": true
  },
  "user_config": {
    "run": "nanochat",
    "device_type": "",
    "fp8": false,
    "fp8_recipe": "tensorwise",
    "depth": 18,
    "aspect_ratio": 64,
    "head_dim": 128,
    "max_seq_len": 512,
    "window_pattern": "L",
    "no_muon": false,
    "mla": false,
    "ssa": true,
    "kv_lora_rank": 512,
    "qk_lora_rank": 1536,
    "qk_nope_head_dim": 128,
    "qk_rope_head_dim": 64,
    "v_head_dim": 128,
    "num_iterations": -1,
    "target_flops": -1.0,
    "target_param_data_ratio": 7.0,
    "device_batch_size": 128,
    "total_batch_size": -1,
    "embedding_lr": 0.3,
    "unembedding_lr": 0.004,
    "weight_decay": 0.2,
    "matrix_lr": 0.02,
    "adam_beta1": 0.8,
    "adam_beta2": 0.95,
    "warmup_ratio": 0.0,
    "warmdown_ratio": 0.5,
    "final_lr_frac": 0.0,
    "resume_from_step": -1,
    "eval_every": 250,
    "eval_tokens": 20971520,
    "core_metric_every": 2000,
    "core_metric_max_per_task": 500,
    "sample_every": 2000,
    "save_every": -1,
    "model_tag": "picochat",
    "load_weights_from": null,
    "load_weights_step": null
  },
  "device_batch_size": 128,
  "max_seq_len": 512,
  "total_batch_size": 1048576,
  "dataloader_state_dict": {
    "pq_idx": 104,
    "rg_idx": 47,
    "epoch": 1
  },
  "loop_state": {
    "min_val_bpb": 0.8475956669593342,
    "smooth_train_loss": 2.8003673421570308,
    "total_training_time": 26251.267766714096
  }
}