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axolotl/examples/llama-4/scout-qlora-flexattn-fsdp2.yaml
Wing Lian 22810c97b7 use warmup_ratio as a better default than warmup steps since it's data dependent (#2897) [skip ci]
* use warmup_ratio as a better default than warmup steps since it's data dependent

* replace remainder of warmup_steps
2025-07-30 06:44:06 -04:00

89 lines
2.0 KiB
YAML

base_model: axolotl-quants/Llama-4-Scout-17B-16E-Linearized-bnb-nf4-bf16
model_type: Llama4ForConditionalGeneration
# Automatically upload checkpoint and final model to HF
# hub_model_id: username/custom_model_name
plugins:
- axolotl.integrations.liger.LigerPlugin
liger_glu_activation: true
liger_rms_norm: true
liger_layer_norm: true
llama4_linearized_experts: true
load_in_4bit: true
adapter: qlora
lora_r: 32
lora_alpha: 64
lora_target_modules:
- self_attn.q_proj
- self_attn.k_proj
- self_attn.v_proj
- self_attn.o_proj
- shared_expert.gate_proj
- shared_expert.up_proj
- shared_expert.down_proj
# - experts.gate_projs.[0-9]+$
# - experts.up_projs.[0-9]+$
# - experts.down_projs.[0-9]+$
lora_modules_to_save:
# - lm_head
# - embed_tokens
chat_template: llama4
datasets:
- path: mlabonne/FineTome-100k
type: chat_template
split: train[:20%]
field_messages: conversations
message_property_mappings:
role: from
content: value
dataset_prepared_path: last_run_prepared
val_set_size: 0.0
output_dir: ./outputs/out
sequence_len: 4096
sample_packing: true
gradient_accumulation_steps: 1
micro_batch_size: 2
num_epochs: 3
optimizer: adamw_torch_4bit
lr_scheduler: cosine
learning_rate: 1e-4
bf16: true
tf32: true
logging_steps: 1
flex_attention: true
flex_attn_compile_kwargs:
dynamic: false
mode: max-autotune-no-cudagraphs
warmup_ratio: 0.1
evals_per_epoch: 1
saves_per_epoch: 1
weight_decay: 0.0
fsdp:
- auto_wrap
- full_shard
fsdp_config:
fsdp_version: 2
fsdp_offload_params: false
# fsdp_cpu_ram_efficient_loading: true # does not work with load_in_8bit/4bit
fsdp_auto_wrap_policy: TRANSFORMER_BASED_WRAP
fsdp_transformer_layer_cls_to_wrap: Llama4TextDecoderLayer
fsdp_state_dict_type: SHARDED_STATE_DICT
fsdp_sharding_strategy: FULL_SHARD
fsdp_reshard_after_forward: true
fsdp_activation_checkpointing: true
special_tokens:
pad_token: <|finetune_right_pad|>
eos_token: <|eot|>
# save_first_step: true # uncomment this to validate checkpoint saving works with your config