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axolotl/examples/ebft/llama-3b-ebft-strided-fft.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

70 lines
1.4 KiB
YAML

# EBFT Strided: LoRA Llama-3.2-3B on SwallowCode, 100 steps
# Actor on GPU 0, frozen feature network on GPU 1
#
# Run: CUDA_VISIBLE_DEVICES=0,1 python -m axolotl.cli.train examples/ebft/llama-3b-ebft-strided-fft.yaml
base_model: meta-llama/Llama-3.2-3B
rl: ebft
ebft:
mode: strided
stride: 8
context_length: 8
generate_max_len: 8
n_samples_per_prompt: 4
temperature: 0.6
top_p: 1.0
feature_layers: [0.25, 0.5, 0.75]
embed_method: last_token
use_whitening: true
alignment_coef: 1.0
diversity_coef: 1.0
rl_coef: 1.0
ce_coef: 0.0 # paper recommends 0.03 for mixed objective; 0.1 causes CE to dominate
advantage_estimator: rloo
datasets:
- path: sjelassi/swallow_code_20m
type: ebft_pretrain.transform
split: train[:5000]
sequence_len: 1024
micro_batch_size: 1
gradient_accumulation_steps: 4
num_epochs: 1
max_steps: 100
learning_rate: 1.0e-5
optimizer: adamw_torch_fused
lr_scheduler: cosine
warmup_steps: 10
weight_decay: 0.01
adapter: lora
lora_r: 32
lora_alpha: 64
lora_dropout: 0.05
lora_target_linear: true
bf16: auto
torch_dtype: bfloat16
flash_attention: false
gradient_checkpointing: true
torch_compile: true
gradient_checkpointing_kwargs:
use_reentrant: true
ddp: false
device_map:
"": 0
special_tokens:
pad_token: "<|end_of_text|>"
val_set_size: 0.0
output_dir: ./outputs/ebft-llama3b-strided
wandb_project: ebft
wandb_name: llama3b-strided-lora-100steps
logging_steps: 1
save_steps: 50