Files
sglang/test/srt/lora/test_multi_lora_backend.py
2025-08-10 12:30:06 -07:00

91 lines
2.8 KiB
Python

# Copyright 2023-2024 SGLang Team
# 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 multiprocessing as mp
import os
import unittest
from typing import List
from utils import (
ALL_OTHER_MULTI_LORA_MODELS,
BACKENDS,
CI_MULTI_LORA_MODELS,
TORCH_DTYPES,
LoRAModelCase,
run_lora_test_one_by_one,
)
from sglang.test.test_utils import CustomTestCase, is_in_ci
# All prompts are used at once in a batch.
PROMPTS = [
"AI is a field of computer science focused on",
"""
### Instruction:
Tell me about llamas and alpacas
### Response:
Llamas are large, long-necked animals with a woolly coat. They have two toes on each foot instead of three like other camelids.
### Question:
What do you know about llamas?
### Answer:
""",
]
class TestMultiLoRABackend(CustomTestCase):
def _run_multi_lora_test_on_model_cases(self, model_cases: List[LoRAModelCase]):
for model_case in model_cases:
# If skip_long_prompt is True, filter out prompts longer than 1000 characters.
batch_prompts = (
PROMPTS
if not model_case.skip_long_prompt
else [p for p in PROMPTS if len(p) < 1000]
)
for torch_dtype in TORCH_DTYPES:
for backend in BACKENDS:
run_lora_test_one_by_one(
batch_prompts,
model_case,
torch_dtype,
max_new_tokens=32,
backend=backend,
test_tag="multi-lora-backend",
)
def test_ci_lora_models(self):
self._run_multi_lora_test_on_model_cases(CI_MULTI_LORA_MODELS)
def test_all_lora_models(self):
if is_in_ci():
return
# Retain ONLY_RUN check here
filtered_models = []
for model_case in ALL_OTHER_MULTI_LORA_MODELS:
if "ONLY_RUN" in os.environ and os.environ["ONLY_RUN"] != model_case.base:
continue
filtered_models.append(model_case)
self._run_multi_lora_test_on_model_cases(filtered_models)
if __name__ == "__main__":
try:
mp.set_start_method("spawn")
except RuntimeError:
pass
unittest.main(warnings="ignore")