Files
axolotl/tests/e2e/multigpu/test_ray.py
2025-04-06 17:11:52 -04:00

141 lines
4.3 KiB
Python

"""
E2E tests for multigpu post-training use Ray Train
"""
import logging
import os
from pathlib import Path
import pytest
import yaml
from accelerate.test_utils import execute_subprocess_async
from axolotl.utils.dict import DictDefault
from tests.e2e.utils import check_tensorboard, require_torch_lt_2_6_0
LOG = logging.getLogger(__name__)
os.environ["WANDB_DISABLED"] = "true"
AXOLOTL_ROOT = Path(__file__).parent.parent.parent.parent
class TestMultiGPURay:
"""
Test cases for AnyScale Ray post training
"""
@require_torch_lt_2_6_0
def test_lora_ddp(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "HuggingFaceTB/SmolLM2-135M",
"sequence_len": 1024,
"adapter": "lora",
"lora_r": 8,
"lora_alpha": 16,
"lora_dropout": 0.05,
"lora_target_linear": True,
"val_set_size": 0.05,
"special_tokens": {
"pad_token": "<|endoftext|>",
},
"datasets": [
{
"path": "tatsu-lab/alpaca",
"type": "alpaca",
},
],
"num_epochs": 1,
"max_steps": 2,
"micro_batch_size": 4,
"gradient_accumulation_steps": 2,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "adamw_8bit",
"lr_scheduler": "cosine",
"flash_attention": True,
"use_tensorboard": True,
"use_ray": True,
"ray_num_workers": 2,
}
)
# write cfg to yaml file
Path(temp_dir).mkdir(parents=True, exist_ok=True)
with open(Path(temp_dir) / "config.yaml", "w", encoding="utf-8") as fout:
fout.write(yaml.dump(cfg.to_dict(), Dumper=yaml.Dumper))
execute_subprocess_async(
[
"axolotl",
"train",
str(Path(temp_dir) / "config.yaml"),
"--use-ray",
"--ray-num-workers",
"2",
]
)
check_tensorboard(
temp_dir + "/runs", "train/train_loss", 2.3, "Train Loss is too high"
)
@require_torch_lt_2_6_0
@pytest.mark.parametrize(
"gradient_accumulation_steps",
[1, 2],
)
def test_ds_zero2_packed(self, temp_dir, gradient_accumulation_steps):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "HuggingFaceTB/SmolLM2-135M",
"sample_packing": True,
"pad_to_sequence_len": True,
"sequence_len": 1024,
"val_set_size": 0.01,
"special_tokens": {
"pad_token": "<|endoftext|>",
},
"datasets": [
{
"path": "tatsu-lab/alpaca",
"type": "alpaca",
},
],
"num_epochs": 1,
"max_steps": 2,
"micro_batch_size": 1,
"gradient_accumulation_steps": gradient_accumulation_steps,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "adamw_torch",
"lr_scheduler": "cosine",
"flash_attention": True,
"deepspeed": str(AXOLOTL_ROOT / "deepspeed_configs/zero2.json"),
"use_tensorboard": True,
}
)
# write cfg to yaml file
Path(temp_dir).mkdir(parents=True, exist_ok=True)
with open(Path(temp_dir) / "config.yaml", "w", encoding="utf-8") as fout:
fout.write(yaml.dump(cfg.to_dict(), Dumper=yaml.Dumper))
execute_subprocess_async(
[
"axolotl",
"train",
str(Path(temp_dir) / "config.yaml"),
"--use-ray",
"--ray-num-workers",
"2",
]
)
check_tensorboard(
temp_dir + "/runs", "train/train_loss", 2.3, "Train Loss is too high"
)