Files
axolotl/tests/e2e/test_llama_pretrain.py
Wing Lian 976f85195a fixes to accelerator so that iterable pretraining datasets work (#1759)
* fixes to accelerator so that iterable pretraining datasets work

* fix the pretraining test params

* split batches, not dispatch batches needs to be set

* update c4 datasets

* set epochs in pretrain config test

* need to set both split_batches and dispatch_batches to false for pretraining

* fix bool val in comment
2024-07-17 10:58:38 -04:00

68 lines
2.0 KiB
Python

"""
E2E tests for llama pretrain
"""
import logging
import os
import unittest
from pathlib import Path
from axolotl.cli import load_datasets
from axolotl.common.cli import TrainerCliArgs
from axolotl.train import train
from axolotl.utils.config import normalize_config
from axolotl.utils.dict import DictDefault
from .utils import with_temp_dir
LOG = logging.getLogger("axolotl.tests.e2e")
os.environ["WANDB_DISABLED"] = "true"
class TestPretrainLlama(unittest.TestCase):
"""
Test case for Llama models w pretraining
"""
@with_temp_dir
def test_pretrain_w_sample_packing(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "JackFram/llama-68m",
"tokenizer_type": "LlamaTokenizer",
"flash_attention": True,
"sequence_len": 1024,
"sample_packing": True,
"special_tokens": {
"unk_token": "<unk>",
"bos_token": "<s>",
"eos_token": "</s>",
},
"pretraining_dataset": [
{
"path": "allenai/c4",
"name": "en",
"type": "pretrain",
}
],
"max_steps": 5,
"num_epochs": 1,
"micro_batch_size": 1,
"gradient_accumulation_steps": 1,
"val_set_size": 0.0,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "adamw_torch",
"lr_scheduler": "cosine",
"save_safetensors": True,
"bf16": "auto",
}
)
normalize_config(cfg)
cli_args = TrainerCliArgs()
dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
assert (Path(temp_dir) / "model.safetensors").exists()