Files
sglang/test/registered/quant/test_nvfp4_gemm.py
2026-03-20 22:47:47 -07:00

86 lines
2.5 KiB
Python

import unittest
from types import SimpleNamespace
from urllib.parse import urlparse
from sglang.srt.utils import get_device_sm, kill_process_tree
from sglang.test.ci.ci_register import register_cuda_ci
from sglang.test.few_shot_gsm8k import run_eval as run_eval_few_shot_gsm8k
from sglang.test.test_utils import (
DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
DEFAULT_URL_FOR_TEST,
popen_launch_server,
try_cached_model,
)
register_cuda_ci(est_time=360, suite="stage-c-test-4-gpu-b200")
MODEL_PATH = "nvidia/Llama-3.1-8B-Instruct-NVFP4"
class FP4GemmBase:
backend = None
@classmethod
def setUpClass(cls):
if cls.backend is None:
raise NotImplementedError("Subclass must set 'backend' attribute")
cls.model = try_cached_model(MODEL_PATH)
cls.base_url = DEFAULT_URL_FOR_TEST
other_args = [
"--trust-remote-code",
"--quantization",
"modelopt_fp4",
"--fp4-gemm-backend",
cls.backend,
]
cls.process = popen_launch_server(
cls.model,
cls.base_url,
timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
other_args=other_args,
)
@classmethod
def tearDownClass(cls):
kill_process_tree(cls.process.pid)
def test_gsm8k(self):
parsed_url = urlparse(self.base_url)
args = SimpleNamespace(
num_shots=5,
data_path=None,
num_questions=1319,
max_new_tokens=512,
parallel=200,
host=f"{parsed_url.scheme}://{parsed_url.hostname}",
port=parsed_url.port,
)
metrics = run_eval_few_shot_gsm8k(args)
print(metrics)
self.assertGreater(metrics["accuracy"], 0.64)
@unittest.skipIf(get_device_sm() < 100, "Test requires CUDA SM 100 or higher")
class TestFP4GemmAuto(FP4GemmBase, unittest.TestCase):
backend = "auto"
@unittest.skipIf(get_device_sm() < 100, "Test requires CUDA SM 100 or higher")
class TestFP4GemmFlashinferCutlass(FP4GemmBase, unittest.TestCase):
backend = "flashinfer_cutlass"
@unittest.skipIf(get_device_sm() < 100, "Test requires CUDA SM 100 or higher")
class TestFP4GemmFlashinferCudnn(FP4GemmBase, unittest.TestCase):
backend = "flashinfer_cudnn"
@unittest.skipIf(get_device_sm() < 100, "Test requires CUDA SM 100 or higher")
class TestFP4GemmFlashinferTrtllm(FP4GemmBase, unittest.TestCase):
backend = "flashinfer_trtllm"
if __name__ == "__main__":
unittest.main()