Files
axolotl/tests/e2e/test_dpo.py
Wing Lian 7523d1f557 DPO cleanup (#1126)
* cleanup dpo to be a little more extensible, add zephyr/nectar strategy

* fix eos slash

* support for eval split

* fix kwargs

* handle empty evals

* don't load peft model for dpo

* ensure dpo traning args gets bf16 for peft if applicable

* fix duplicate kwargs for bf16

* make sure to respect the configured lr scheduler

* supprt trainer callback to push config to wandb

* set dataloader preload args

* ensure that we are loading the lora when merging

* Update src/axolotl/utils/data.py

Co-authored-by: Agus <agustin.piqueres@gmail.com>

* support local datasets for dpo

Co-authored-by: Agus <agustin.piqueres@gmail.com>

* chore: lint

* dpo/kto/ipo smoke tests w lora, simplify dpo dataset type names

* add split to dpo tests

* fix rebase/merging error

* handle edge case w logging

* use accelerator for dpo datasets so it doesn't break the logger

* missing args

* validate checkpoint is an adapter for now

* log warning when dataset strategy is not loadable

---------

Co-authored-by: Agus <agustin.piqueres@gmail.com>
2024-01-23 00:40:37 -05:00

158 lines
5.3 KiB
Python

"""
E2E tests for lora llama
"""
import logging
import os
import unittest
from pathlib import Path
from axolotl.cli import load_rl_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 TestDPOLlamaLora(unittest.TestCase):
"""
Test case for DPO Llama models using LoRA
"""
@with_temp_dir
def test_dpo_lora(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "JackFram/llama-68m",
"tokenizer_type": "LlamaTokenizer",
"sequence_len": 1024,
"load_in_8bit": True,
"adapter": "lora",
"lora_r": 64,
"lora_alpha": 32,
"lora_dropout": 0.1,
"lora_target_linear": True,
"special_tokens": {},
"rl": "dpo",
"datasets": [
{
"path": "Intel/orca_dpo_pairs",
"type": "chatml.intel",
"split": "train",
},
],
"num_epochs": 1,
"micro_batch_size": 4,
"gradient_accumulation_steps": 1,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "paged_adamw_8bit",
"lr_scheduler": "cosine",
"max_steps": 20,
"save_steps": 10,
"warmup_steps": 5,
"gradient_checkpointing": True,
"gradient_checkpointing_kwargs": {"use_reentrant": True},
}
)
normalize_config(cfg)
cli_args = TrainerCliArgs()
dataset_meta = load_rl_datasets(cfg=cfg, cli_args=cli_args)
train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
assert (Path(temp_dir) / "checkpoint-20/adapter_model.safetensors").exists()
@with_temp_dir
def test_kto_pair_lora(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "JackFram/llama-68m",
"tokenizer_type": "LlamaTokenizer",
"sequence_len": 1024,
"load_in_8bit": True,
"adapter": "lora",
"lora_r": 64,
"lora_alpha": 32,
"lora_dropout": 0.1,
"lora_target_linear": True,
"special_tokens": {},
"rl": "kto_pair",
"datasets": [
{
"path": "Intel/orca_dpo_pairs",
"type": "chatml.intel",
"split": "train",
},
],
"num_epochs": 1,
"micro_batch_size": 4,
"gradient_accumulation_steps": 1,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "paged_adamw_8bit",
"lr_scheduler": "cosine",
"max_steps": 20,
"save_steps": 10,
"warmup_steps": 5,
"gradient_checkpointing": True,
"gradient_checkpointing_kwargs": {"use_reentrant": True},
}
)
normalize_config(cfg)
cli_args = TrainerCliArgs()
dataset_meta = load_rl_datasets(cfg=cfg, cli_args=cli_args)
train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
assert (Path(temp_dir) / "checkpoint-20/adapter_model.safetensors").exists()
@with_temp_dir
def test_ipo_lora(self, temp_dir):
# pylint: disable=duplicate-code
cfg = DictDefault(
{
"base_model": "JackFram/llama-68m",
"tokenizer_type": "LlamaTokenizer",
"sequence_len": 1024,
"load_in_8bit": True,
"adapter": "lora",
"lora_r": 64,
"lora_alpha": 32,
"lora_dropout": 0.1,
"lora_target_linear": True,
"special_tokens": {},
"rl": "ipo",
"datasets": [
{
"path": "Intel/orca_dpo_pairs",
"type": "chatml.intel",
"split": "train",
},
],
"num_epochs": 1,
"micro_batch_size": 4,
"gradient_accumulation_steps": 1,
"output_dir": temp_dir,
"learning_rate": 0.00001,
"optimizer": "paged_adamw_8bit",
"lr_scheduler": "cosine",
"max_steps": 20,
"save_steps": 10,
"warmup_steps": 5,
"gradient_checkpointing": True,
"gradient_checkpointing_kwargs": {"use_reentrant": True},
}
)
normalize_config(cfg)
cli_args = TrainerCliArgs()
dataset_meta = load_rl_datasets(cfg=cfg, cli_args=cli_args)
train(cfg=cfg, cli_args=cli_args, dataset_meta=dataset_meta)
assert (Path(temp_dir) / "checkpoint-20/adapter_model.safetensors").exists()