mirror of
https://github.com/wassname/alignment-handbook.git
synced 2026-06-27 17:14:25 +08:00
Chansung Park
27f7dbf006
* Update run_sft.py * fix BitsAndBytes JSON serializable * get_quantization_config to return dict * to_dict() for load_in_8bit too * convert quant test to use dict subscriptions instead of dot syntax * Remove torch --------- Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>
89 lines
3.8 KiB
Python
89 lines
3.8 KiB
Python
# coding=utf-8
|
|
# Copyright 2023 The HuggingFace Team. All rights reserved.
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
import unittest
|
|
|
|
from alignment import (
|
|
DataArguments,
|
|
ModelArguments,
|
|
get_peft_config,
|
|
get_quantization_config,
|
|
get_tokenizer,
|
|
is_adapter_model,
|
|
)
|
|
from alignment.data import DEFAULT_CHAT_TEMPLATE
|
|
|
|
|
|
class GetQuantizationConfigTest(unittest.TestCase):
|
|
def test_4bit(self):
|
|
model_args = ModelArguments(load_in_4bit=True)
|
|
quantization_config = get_quantization_config(model_args)
|
|
self.assertTrue(quantization_config["load_in_4bit"])
|
|
self.assertEqual(quantization_config["bnb_4bit_compute_dtype"], "float16")
|
|
self.assertEqual(quantization_config["bnb_4bit_quant_type"], "nf4")
|
|
self.assertFalse(quantization_config["bnb_4bit_use_double_quant"])
|
|
|
|
def test_8bit(self):
|
|
model_args = ModelArguments(load_in_8bit=True)
|
|
quantization_config = get_quantization_config(model_args)
|
|
self.assertTrue(quantization_config["load_in_8bit"])
|
|
|
|
def test_no_quantization(self):
|
|
model_args = ModelArguments()
|
|
quantization_config = get_quantization_config(model_args)
|
|
self.assertIsNone(quantization_config)
|
|
|
|
|
|
class GetTokenizerTest(unittest.TestCase):
|
|
def setUp(self) -> None:
|
|
self.model_args = ModelArguments(model_name_or_path="HuggingFaceH4/zephyr-7b-alpha")
|
|
|
|
def test_right_truncation_side(self):
|
|
tokenizer = get_tokenizer(self.model_args, DataArguments(truncation_side="right"))
|
|
self.assertEqual(tokenizer.truncation_side, "right")
|
|
|
|
def test_left_truncation_side(self):
|
|
tokenizer = get_tokenizer(self.model_args, DataArguments(truncation_side="left"))
|
|
self.assertEqual(tokenizer.truncation_side, "left")
|
|
|
|
def test_default_chat_template(self):
|
|
tokenizer = get_tokenizer(self.model_args, DataArguments())
|
|
self.assertEqual(tokenizer.chat_template, DEFAULT_CHAT_TEMPLATE)
|
|
|
|
def test_chatml_chat_template(self):
|
|
chat_template = "{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{% for message in messages %}{{'<|im_start|>' + message['role'] + '\n' + message['content'] + '<|im_end|>' + '\n'}}{% endfor %}{% if add_generation_prompt %}{{ '<|im_start|>assistant\n' }}{% endif %}"
|
|
tokenizer = get_tokenizer(self.model_args, DataArguments(chat_template=chat_template))
|
|
self.assertEqual(tokenizer.chat_template, chat_template)
|
|
|
|
|
|
class GetPeftConfigTest(unittest.TestCase):
|
|
def test_peft_config(self):
|
|
model_args = ModelArguments(use_peft=True, lora_r=42, lora_alpha=0.66, lora_dropout=0.99)
|
|
peft_config = get_peft_config(model_args)
|
|
self.assertEqual(peft_config.r, 42)
|
|
self.assertEqual(peft_config.lora_alpha, 0.66)
|
|
self.assertEqual(peft_config.lora_dropout, 0.99)
|
|
|
|
def test_no_peft_config(self):
|
|
model_args = ModelArguments(use_peft=False)
|
|
peft_config = get_peft_config(model_args)
|
|
self.assertIsNone(peft_config)
|
|
|
|
|
|
class IsAdapterModelTest(unittest.TestCase):
|
|
def test_is_adapter_model_calls_listdir(self):
|
|
# Assert that for an invalid repo name it gets to the point where it calls os.listdir,
|
|
# which is expected to raise a FileNotFoundError
|
|
self.assertRaises(FileNotFoundError, is_adapter_model, "nonexistent/model")
|