Files
sglang/test/registered/spec/dflash/test_dflash.py
T

151 lines
5.1 KiB
Python

import os
import unittest
import openai
from sglang.srt.environ import envs
from sglang.srt.utils import kill_process_tree
from sglang.test.ci.ci_register import register_cuda_ci
from sglang.test.kits.eval_accuracy_kit import GSM8KMixin
from sglang.test.kits.matched_stop_kit import MatchedStopMixin
from sglang.test.kits.radix_cache_server_kit import gen_radix_tree
from sglang.test.test_utils import (
DEFAULT_DRAFT_MODEL_DFLASH,
DEFAULT_TARGET_MODEL_DFLASH,
DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
DEFAULT_URL_FOR_TEST,
CustomTestCase,
popen_launch_server,
)
register_cuda_ci(est_time=302, suite="stage-b-test-1-gpu-small")
class TestDFlashServerBase(CustomTestCase, MatchedStopMixin, GSM8KMixin):
max_running_requests = 64
attention_backend = "flashinfer"
page_size = 1
other_launch_args = []
model = DEFAULT_TARGET_MODEL_DFLASH
draft_model = DEFAULT_DRAFT_MODEL_DFLASH
gsm8k_accuracy_thres = 0.75
gsm8k_accept_length_thres = 2.8
@classmethod
def setUpClass(cls):
cls.base_url = DEFAULT_URL_FOR_TEST
launch_args = [
"--trust-remote-code",
"--attention-backend",
cls.attention_backend,
"--speculative-algorithm",
"DFLASH",
"--speculative-draft-model-path",
cls.draft_model,
"--page-size",
str(cls.page_size),
"--max-running-requests",
str(cls.max_running_requests),
"--cuda-graph-bs",
*[str(i) for i in range(1, cls.max_running_requests + 1)],
]
launch_args.extend(cls.other_launch_args)
old_value = os.environ.get("SGLANG_ALLOW_OVERWRITE_LONGER_CONTEXT_LEN")
os.environ["SGLANG_ALLOW_OVERWRITE_LONGER_CONTEXT_LEN"] = "1"
try:
with (
envs.SGLANG_ENABLE_STRICT_MEM_CHECK_DURING_BUSY.override(1),
envs.SGLANG_SPEC_NAN_DETECTION.override(True),
envs.SGLANG_SPEC_OOB_DETECTION.override(True),
):
cls.process = popen_launch_server(
cls.model,
cls.base_url,
timeout=DEFAULT_TIMEOUT_FOR_SERVER_LAUNCH,
other_args=launch_args,
)
finally:
if old_value is None:
del os.environ["SGLANG_ALLOW_OVERWRITE_LONGER_CONTEXT_LEN"]
else:
os.environ["SGLANG_ALLOW_OVERWRITE_LONGER_CONTEXT_LEN"] = old_value
@classmethod
def tearDownClass(cls):
kill_process_tree(cls.process.pid)
def test_early_stop(self):
client = openai.Client(base_url=self.base_url + "/v1", api_key="EMPTY")
for i in range(8):
max_tokens = (i % 3) + 1
response = client.completions.create(
model=self.model,
prompt=f"There are {i} apples on the table. How to divide them equally?",
max_tokens=max_tokens,
temperature=0,
)
text = response.choices[0].text
print(f"early_stop: max_tokens={max_tokens}, text={text!r}")
assert self.process.poll() is None
def test_eos_handling(self):
client = openai.Client(base_url=self.base_url + "/v1", api_key="EMPTY")
response = client.chat.completions.create(
model=self.model,
messages=[{"role": "user", "content": "Today is a sunny day and I like"}],
max_tokens=256,
temperature=0.1,
)
text = response.choices[0].message.content
print(f"eos_handling: text={text!r}")
self.assertNotIn("<|eot_id|>", text)
self.assertNotIn("<|end_of_text|>", text)
assert self.process.poll() is None
def test_greedy_determinism(self):
client = openai.Client(base_url=self.base_url + "/v1", api_key="EMPTY")
prompt = "The capital of France is"
outputs = []
for _ in range(2):
response = client.completions.create(
model=self.model,
prompt=prompt,
max_tokens=32,
temperature=0,
)
outputs.append(response.choices[0].text)
print(f"determinism: {outputs=}")
self.assertEqual(outputs[0], outputs[1])
assert self.process.poll() is None
class TestDFlashServerPage256(TestDFlashServerBase):
page_size = 256
def test_radix_attention(self):
import requests
nodes = gen_radix_tree(num_nodes=50)
data = {
"input_ids": [node["input_ids"] for node in nodes],
"sampling_params": [
{"max_new_tokens": node["decode_len"], "temperature": 0}
for node in nodes
],
}
res = requests.post(self.base_url + "/generate", json=data)
assert res.status_code == 200
assert self.process.poll() is None
class TestDFlashServerChunkedPrefill(TestDFlashServerBase):
other_launch_args = ["--chunked-prefill-size", "4"]
class TestDFlashServerNoCudaGraph(TestDFlashServerBase):
other_launch_args = ["--disable-cuda-graph"]
if __name__ == "__main__":
unittest.main()