Files
axolotl/tests/e2e/test_packing_loss.py
Wing Lian de8a625dd7 make e2e tests a bit faster by reducing test split size (#2522) [skip ci]
* [ci] make e2e tests a bit faster by reducing test split size

* use 10% split of alpaca dataset to speed up dataset loading/tokenization

* reduce gas 4->2 for most e2e tests

* increase val set size for packing
2025-04-12 07:24:43 -07:00

73 lines
2.1 KiB
Python

"""
E2E tests for packed training
"""
import logging
import os
import unittest
from transformers.utils import is_torch_bf16_gpu_available
from axolotl.cli.args import TrainerCliArgs
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_tensorboard, with_temp_dir
LOG = logging.getLogger("axolotl.tests.e2e")
os.environ["WANDB_DISABLED"] = "true"
class TestPackedLlama(unittest.TestCase):
"""
Test case for Packed training of llama models
"""
@with_temp_dir
def test_loss_packed(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "HuggingFaceTB/SmolLM2-135M",
"sequence_len": 1024,
"sample_packing": True,
"flash_attention": True,
"val_set_size": 0.0,
"special_tokens": {
"pad_token": "<|endoftext|>",
},
"datasets": [
{
"path": "vicgalle/alpaca-gpt4",
"type": "alpaca",
},
],
"num_epochs": 1,
"micro_batch_size": 2,
"gradient_accumulation_steps": 2,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "adamw_torch_fused",
"lr_scheduler": "cosine",
"max_steps": 5,
"use_tensorboard": True,
}
)
if is_torch_bf16_gpu_available():
cfg.bf16 = True
else:
cfg.fp16 = True
cfg = validate_config(cfg)
normalize_config(cfg)
cli_args = TrainerCliArgs()
dataset_meta = load_datasets(cfg=cfg, cli_args=cli_args)
train(cfg=cfg, dataset_meta=dataset_meta)
check_tensorboard(
temp_dir + "/runs", "train/train_loss", 2.0, "Train Loss is too high"
)