qmd/finetune/configs/sft.yaml

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YAML

# SFT Training Config for QMD Query Expansion
# Target: Qwen3-1.7B with LoRA
#
# Usage: uv run train.py sft --config configs/sft.yaml
model:
base: "Qwen/Qwen3-1.7B"
output: "outputs/sft" # Local training output (push to HF manually after eval)
dataset:
# Local: run `uv run dataset/prepare_data.py` first, then use "data/train/"
# HuggingFace: use "tobil/qmd-query-expansion-train" (already prepared)
name: "data/train/"
text_field: "text"
split: "train"
eval_split: 0.1
training:
epochs: 5
batch_size: 4
gradient_accumulation_steps: 4
learning_rate: 2e-4
max_length: 512
warmup_ratio: 0.03
lr_scheduler: "cosine"
# Save checkpoints every 30 minutes
save_interval_minutes: 30
# Fallback time-step save cadence if needed (not used for wall-clock mode)
save_steps: 200
save_total_limit: 3
lora:
rank: 16
alpha: 32
dropout: 0.0
target_modules:
- "q_proj"
- "k_proj"
- "v_proj"
- "o_proj"
- "gate_proj"
- "up_proj"
- "down_proj"
tracking:
project: "qmd-query-expansion"
run_name: "sft-1.7B"