add starcoder2 (#1349)

* add starcoder2

* Apply suggestions from code review

Co-authored-by: NanoCode012 <[email protected]>

* chore: lint

* Apply suggestions from code review

Co-authored-by: NanoCode012 <[email protected]>

---------

Co-authored-by: Wing Lian <[email protected]>
Co-authored-by: NanoCode012 <[email protected]>

examples/starcoder2/qlora.yml

@@ -0,0 +1,69 @@
+base_model: bigcode/starcoder2-3b
+
+load_in_8bit: false
+load_in_4bit: true
+strict: false
+
+datasets:
+  - path: mhenrichsen/alpaca_2k_test
+    type: alpaca
+
+
+dataset_prepared_path:
+val_set_size: 0.2
+output_dir: ./qlora
+
+adapter: qlora
+lora_model_dir:
+
+sequence_len: 8192
+sample_packing: true
+pad_to_sequence_len: true
+
+lora_r: 32
+lora_alpha: 16
+lora_dropout: 0.05
+lora_target_modules:
+lora_target_linear: true
+lora_fan_in_fan_out:
+
+wandb_project:
+wandb_entity:
+wandb_watch:
+wandb_run_id:
+wandb_log_model:
+
+gradient_accumulation_steps: 8
+micro_batch_size: 2
+num_epochs: 3
+optimizer: adamw_bnb_8bit
+lr_scheduler: cosine
+learning_rate: 2e-5
+
+train_on_inputs: false
+group_by_length: false
+bf16: auto
+fp16: false
+tf32: false
+
+gradient_checkpointing: true
+early_stopping_patience:
+resume_from_checkpoint:
+local_rank:
+logging_steps: 1
+xformers_attention:
+flash_attention: true
+
+warmup_steps: 20
+evals_per_epoch: 4
+eval_steps:
+eval_table_size:
+saves_per_epoch: 4
+save_steps:
+save_total_limit: 2
+debug:
+deepspeed:
+weight_decay:
+fsdp:
+fsdp_config:
+special_tokens:

src/axolotl/monkeypatch/multipack.py

@@ -6,7 +6,14 @@ from transformers.integrations import is_deepspeed_zero3_enabled
 from axolotl.monkeypatch.mixtral import patch_mixtral_moe_forward_zero3
 from axolotl.monkeypatch.utils import get_unpad_data
 
-SUPPORTED_MULTIPACK_MODEL_TYPES = ["mixtral", "qwen2", "falcon", "phi", "gemma"]
+SUPPORTED_MULTIPACK_MODEL_TYPES = [
+    "mixtral",
+    "qwen2",
+    "falcon",
+    "phi",
+    "gemma",
+    "starcoder2",
+]
 
 
 def patch_for_multipack(model_type):
@@ -32,3 +39,7 @@ def patch_for_multipack(model_type):
         transformers.models.gemma.modeling_gemma._get_unpad_data = (  # pylint: disable=protected-access
             get_unpad_data
         )
+    elif model_type == "starcoder2":
+        transformers.models.starcoder2.modeling_starcoder2._get_unpad_data = (  # pylint: disable=protected-access
+            get_unpad_data
+        )