---
library_name: transformers
tags:
- generated_from_trainer
---
[
](https://github.com/axolotl-ai-cloud/axolotl)
See axolotl config
axolotl version: `0.16.0.dev0`
```yaml
# config-4gpu-fullft-e4b-32k.yml
base_model: /models/gemma-4-e4b-it
embeddings_skip_upcast: true
trust_remote_code: true
chat_template: gemma
unfrozen_parameters:
- model.language_model.layers.(2|3|4)[\d].(_checkpoint_wrapped_module.)?(mlp).(up|down|gate)_proj
# ====================== 多 GPU 設定 (FSDP) ======================
fsdp_version: 2
fsdp_config:
offload_params: false
state_dict_type: FULL_STATE_DICT
auto_wrap_policy: TRANSFORMER_BASED_WRAP
transformer_layer_cls_to_wrap: Gemma4TextDecoderLayer
# ====================== Liger Kernel ======================
plugins:
- axolotl.integrations.liger.LigerPlugin
torch_compile: false
liger_layer_norm: false
liger_rope: true
liger_rms_norm: true
liger_glu_activation: true
liger_rms_norm_gated: true
sdp_attention: true
# ====================== 資料集 ======================
datasets:
- path: /notebook/train_segments.jsonl
type: input_output
dataset_processes: 4
sample_packing: true
pad_to_sequence_len: true
eval_sample_packing: false
# ====================== 關鍵:長上下文 32768 ======================
sequence_len: 16384
micro_batch_size: 1 # 32k 必須從 1 開始,避免 OOM
gradient_accumulation_steps: 1 # effective batch size ≈ 1×4×8 = 32(推薦 DPO 值)
max_grad_norm: 1
num_epochs: 2
# 記憶體優化(32k 長上下文非常吃 activations)
gradient_checkpointing: true
activation_offloading: false # 強烈建議開啟
# 優化器
optimizer: adamw_torch
lr_scheduler: constant
learning_rate: 5e-6
# 混合精度
bf16: true
tf32: true
# 保存與紀錄
save_safetensors: true
save_strategy: epoch
saves_per_epoch: 1
logging_steps: 5 # 長上下文時 logging 頻率提高一點
output_dir: ./outputs/gemma4-e4b-sft-4gpu-fullft-32k
use_tensorboard: true
#hub_model_id: AlexHung29629/WhiteDubstepFly
```
# outputs/gemma4-e4b-sft-4gpu-fullft-32k
This model was trained from scratch on the /notebook/train_segments.jsonl dataset.
## Model description
More information needed
## Intended uses & limitations
More information needed
## Training and evaluation data
More information needed
## Training procedure
### Training hyperparameters
The following hyperparameters were used during training:
- learning_rate: 5e-06
- train_batch_size: 1
- eval_batch_size: 1
- seed: 42
- distributed_type: multi-GPU
- num_devices: 4
- total_train_batch_size: 4
- total_eval_batch_size: 4
- optimizer: Use OptimizerNames.ADAMW_TORCH with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
- lr_scheduler_type: constant
- lr_scheduler_warmup_steps: 7
- training_steps: 262
### Training results
### Framework versions
- Transformers 5.5.0
- Pytorch 2.10.0+cu130
- Datasets 4.5.0
- Tokenizers 0.22.2