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axolotl/examples/ebft/llama-1b-ebft-opencode-novllm.yaml
Wing Lian c50c4acbf4 EBFT: Matching Features, Not Tokens: Energy-Based Fine-Tuning of Language Models (#3527) [skip ci]
* EBFT wip

* fixes

* more fixeS

* add missing strided module

* ebft fixes for multi-turn

* make ebft work with async

* add example for ebft w qwen3.5

* fix for split thinking and update yaml for lora over linear attention only

* enforce_eager for vllm arg in schema

* fix sync weights

* fix multi-gpu

* handle updated sig for mm

* ddp fixes

* improve multi-gpu handling, don't calculate logits, adaptive completion length

* chore: lint

* chore: lint

* support completion_mean

* Address corereview feedback

* clamp min IS ratio

* Address PR code review

* more fixes identified

* address code review

* Fix property from rebase conflict
2026-03-24 18:43:46 -04:00

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1.2 KiB
YAML

# EBFT validation config — no vLLM, uses HF generate for simplicity
# Run: CUDA_VISIBLE_DEVICES=0 axolotl train examples/ebft/llama-1b-ebft-opencode-novllm.yaml
base_model: meta-llama/Llama-3.2-1B
chat_template: llama3
rl: ebft
ebft:
feature_layers: [0.25, 0.5, 0.75]
embed_method: last_token
use_whitening: false
alignment_coef: 1.0
diversity_coef: 1.0
ce_coef: 0.0
trl:
num_generations: 4
max_completion_length: 128
temperature: 1.0
use_vllm: false
scale_rewards: true
loss_type: grpo
epsilon: 0.2
datasets:
- path: nvidia/OpenCodeInstruct
type: ebft_opencode.transform
split: train[:1%]
sequence_len: 512
micro_batch_size: 2
gradient_accumulation_steps: 2
num_epochs: 1
max_steps: 10
learning_rate: 1.0e-5
optimizer: adamw_torch_fused
lr_scheduler: cosine
warmup_steps: 2
weight_decay: 0.01
adapter: lora
lora_r: 16
lora_alpha: 32
lora_dropout: 0.05
lora_target_linear: true
bf16: auto
flash_attention: true
gradient_checkpointing: true
special_tokens:
pad_token: "<|end_of_text|>"
val_set_size: 0.0
output_dir: ./outputs/ebft-validation
wandb_project: ebft
wandb_run_id:
wandb_watch:
wandb_log_model:
logging_steps: 1
save_steps: 100