# Laptop smoke-test model (~7.4M params, ~20M tokens on CPU). name: tiny model: d_model: 256 n_layers: 4 n_heads: 4 ffn_hidden: 704 context_len: 512 train: peak_lr: 1.0e-3 total_steps: 2440 micro_batch_size: 8 grad_accum: 4 precision: fp32 data_dir: data/processed mix: {astro: 0.30, arxiv: 0.15, textbook: 0.05, general: 0.50} max_epochs: {textbook: 3, astro: 2}