Files
axolotl/tests/e2e/patched/test_mistral_samplepack.py
Dan Saunders 10ba1622f7 checkpoint model on first step callback (#2906)
* checkpoint model on first step callback

* remove debug

* add test cases; update existing tests not to save on first step

* move test out of solo

* delete

* default to False

* typo
2025-07-15 15:00:48 -04:00

110 lines
3.5 KiB
Python

"""
E2E tests for lora llama
"""
import unittest
from axolotl.common.datasets import load_datasets
from axolotl.train import train
from axolotl.utils.config import normalize_config, validate_config
from axolotl.utils.dict import DictDefault
from ..utils import check_model_output_exists, require_torch_2_6_0, with_temp_dir
class TestMistral(unittest.TestCase):
"""
Test case for Llama models using LoRA
"""
@require_torch_2_6_0
@with_temp_dir
def test_lora_packing(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "trl-internal-testing/tiny-MistralForCausalLM-0.2",
"flash_attention": True,
"sample_packing": True,
"sequence_len": 1024,
"load_in_8bit": True,
"adapter": "lora",
"lora_r": 32,
"lora_alpha": 64,
"lora_dropout": 0.05,
"lora_target_linear": True,
"val_set_size": 0.05,
"special_tokens": {
"unk_token": "<unk>",
"bos_token": "<s>",
"eos_token": "</s>",
},
"datasets": [
{
"path": "mhenrichsen/alpaca_2k_test",
"type": "alpaca",
},
],
"num_epochs": 2,
"micro_batch_size": 2,
"gradient_accumulation_steps": 1,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "adamw_torch_fused",
"lr_scheduler": "cosine",
"max_steps": 5,
"save_steps": 3,
"eval_steps": 4,
"bf16": "auto",
"save_first_step": False,
}
)
cfg = validate_config(cfg)
normalize_config(cfg)
dataset_meta = load_datasets(cfg=cfg)
train(cfg=cfg, dataset_meta=dataset_meta)
check_model_output_exists(temp_dir, cfg)
@with_temp_dir
def test_ft_packing(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "trl-internal-testing/tiny-MistralForCausalLM-0.2",
"flash_attention": True,
"sample_packing": True,
"sequence_len": 1024,
"val_set_size": 0.05,
"special_tokens": {
"unk_token": "<unk>",
"bos_token": "<s>",
"eos_token": "</s>",
},
"datasets": [
{
"path": "mhenrichsen/alpaca_2k_test",
"type": "alpaca",
},
],
"num_epochs": 2,
"micro_batch_size": 2,
"gradient_accumulation_steps": 1,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "adamw_torch_fused",
"lr_scheduler": "cosine",
"max_steps": 5,
"save_steps": 3,
"eval_steps": 4,
"bf16": "auto",
"save_first_step": False,
}
)
cfg = validate_config(cfg)
normalize_config(cfg)
dataset_meta = load_datasets(cfg=cfg)
train(cfg=cfg, dataset_meta=dataset_meta)
check_model_output_exists(temp_dir, cfg)