See axolotl config

axolotl version: 0.9.1

# Name 0508-persona_principle_sft-qwen3_8b_base

# axolotl train experiments/0508-persona_principle_sft-qwen3_8b_base.yaml


base_model: Qwen/Qwen3-8B-Base
model_type: AutoModelForCausalLM
tokenizer_type: AutoTokenizer
trust_remote_code: false

# --- Dataset Configuration ---
datasets:
  - path: nate-rahn/0508-principle-persona-sft-dset
    type: chat_template # Use the chat_template processing strategy
    # --- Custom Template & Role Mapping ---
    chat_template: tokenizer_default # Specify we are using a custom jinja template below
    field_messages: messages # Assumes your dataset has a "bad_messages" key with a list of dicts
    message_property_mappings: # Assumes each dict in the list has "role" and "content" keys
      role: role
      content: content
    roles: # Define the roles expected in your dataset for mapping
      user: ["user"] # Map "user" role in data to internal "user"
      assistant: ["assistant"] # Map "assistant" role in data to internal "assistant"
      system: ["system"] # Map "system" role in data to internal "system"
    # --- Training Target ---
    roles_to_train: ["assistant"]
    train_on_eos: turn # Train on the EOS token at the end of each 'user' turn

dataset_prepared_path: /workspace/data/last_run_prepared

# --- Training Hyperparameters ---
sequence_len: 2048 # Adjust based on your dataset and GPU memory
sample_packing: true # Pack multiple sequences into one example for efficiency
eval_sample_packing: true
pad_to_sequence_len: true # Pad sequences to sequence_len

# Full Parameter Finetuning (No adapter specified)
# adapter: # This is intentionally left blank/removed for full finetuning

# Performance & Precision (H100s excel with bf16)
bf16: true
tf32: true
flash_attention: true # for qwen

# Batching (Adjust based on GPU memory)
# Effective global batch size = micro_batch_size * gradient_accumulation_steps * num_gpus (4)
# Start low for full finetuning, e.g., 1 * 16 * 4 = 64
micro_batch_size: 2
gradient_accumulation_steps: 32
eval_batch_size: 16 # Can often be slightly higher than micro_batch_size

# Optimizer & Scheduler
optimizer: adamw_torch_fused # Good choice for newer GPUs
learning_rate: 1e-5 # Common starting point for full SFT
weight_decay: 0.01
lr_scheduler: cosine # Standard scheduler
warmup_steps: 50
max_grad_norm: 1.0

# Training Duration & Evaluation/Saving
num_epochs: 2 # Adjust as needed, start with 1-3 for SFT
val_set_size: 0.01
logging_steps: 1
evals_per_epoch: 20
saves_per_epoch: 2 # Save 4 times per epoch (adjust based on dataset size)
save_total_limit: 1 # Keep only the last 1 checkpoints

# Memory Saving
gradient_checkpointing: true # Essential for full finetuning
gradient_checkpointing_kwargs:
  use_reentrant: false # Prefer non-reentrant if possible

# --- FSDP Configuration (for 4xH100) ---
fsdp:
  - full_shard
  - auto_wrap
fsdp_config:
  fsdp_offload_params: false # Should not be needed with H100 VRAM
  fsdp_sync_module_states: true # Important for correctness
  fsdp_use_orig_params: false # Recommended for memory saving with FSDP
  fsdp_state_dict_type: SHARDED_STATE_DICT # Options: FULL_STATE_DICT or SHARDED_STATE_DICT (saves disk space)
  # fsdp_transformer_layer_cls_to_wrap: 'Gemma3DecoderLayer'
  fsdp_transformer_layer_cls_to_wrap: 'Qwen3DecoderLayer'
  # fsdp_activation_checkpointing: true # Alternative way to enable activation checkpointing for FSDP

# --- Special Tokens ---
# Define based on your custom template's terminators. Qwen already uses <|im_end|>
special_tokens:
  eos_token: "<|im_end|>"
# eos_token: "<end_of_turn>"

# --- Logging & Saving ---
output_dir: /workspace/output/red-team-agent/runs/0508-persona_principle_sft-qwen3_8b_base # Local output directory

# W&B Logging
wandb_project: "red-team-agent" # Name your W&B project
wandb_entity: "nate" # IMPORTANT: Replace with your W&B username or team name
wandb_name: "0508-persona_principle_sft-qwen3_8b_base" # Descriptive run name
# wandb_log_model: "checkpoint" # Log model checkpoints to W&B Artifacts

# Hugging Face Hub Upload
hub_model_id: "nate-rahn/0508-persona_principle_sft-qwen3_8b_base" # IMPORTANT: Replace with your desired HF repo ID
hub_strategy: "end" # Push checkpoints to the Hub (`"end"` pushes only the final model)
hf_use_auth_token: true # Required for pushing to the Hub (ensure you're logged in)

# --- Misc ---
seed: 42

0508-persona_principle_sft-qwen3_8b_base

This model is a fine-tuned version of Qwen/Qwen3-8B-Base on the nate-rahn/0508-principle-persona-sft-dset dataset. It achieves the following results on the evaluation set:

• Loss: 2.2570

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: 1e-05
• train_batch_size: 2
• eval_batch_size: 16
• seed: 42
• distributed_type: multi-GPU
• num_devices: 4
• gradient_accumulation_steps: 32
• total_train_batch_size: 256
• total_eval_batch_size: 64
• optimizer: Use OptimizerNames.ADAMW_TORCH_FUSED with betas=(0.9,0.999) and epsilon=1e-08 and optimizer_args=No additional optimizer arguments
• lr_scheduler_type: cosine
• lr_scheduler_warmup_steps: 50
• num_epochs: 2.0

Training results

Training Loss	Epoch	Step	Validation Loss
4.1102	0.0054	1	5.0903
4.6869	0.0543	10	4.4168
3.4043	0.1087	20	3.6086
3.2614	0.1630	30	3.2780
2.9574	0.2174	40	3.2620
3.0284	0.2717	50	3.0021
2.7515	0.3260	60	2.8933
2.8258	0.3804	70	2.7446
2.5825	0.4347	80	2.6995
2.6558	0.4890	90	2.5691
2.4854	0.5434	100	2.5690
2.6957	0.5977	110	2.5314
2.4035	0.6521	120	2.4879
2.9604	0.7064	130	2.5762
2.4454	0.7607	140	2.4713
2.3399	0.8151	150	2.4662
2.4051	0.8694	160	2.4147
2.3851	0.9238	170	2.4431
2.4061	0.9781	180	2.3823
2.4292	1.0272	190	2.4554
2.4125	1.0815	200	2.3628
2.2624	1.1358	210	2.3661
2.4571	1.1902	220	2.3544
2.2805	1.2445	230	2.3428
2.6547	1.2989	240	2.3283
2.2127	1.3532	250	2.3069
2.3363	1.4075	260	2.3121
2.2102	1.4619	270	2.2841
2.1397	1.5162	280	2.2880
2.1842	1.5706	290	2.2787
2.135	1.6249	300	2.2744
2.2115	1.6792	310	2.2641
2.0916	1.7336	320	2.2610
2.2539	1.7879	330	2.2603
2.1064	1.8422	340	2.2578
2.3234	1.8966	350	2.2575
2.1563	1.9509	360	2.2570

Framework versions

• Transformers 4.51.3
• Pytorch 2.6.0+cu124
• Datasets 3.5.1
• Tokenizers 0.21.1