Files
FastDeploy/tests/layers/test_quantized_linear.py
2025-11-12 11:56:40 +08:00

241 lines
8.0 KiB
Python

# Copyright (c) 2025 PaddlePaddle Authors. 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 json
import os
import shutil
import unittest
import paddle
from fastdeploy.config import (
CacheConfig,
FDConfig,
GraphOptimizationConfig,
LoadConfig,
ModelConfig,
ParallelConfig,
)
from fastdeploy.model_executor.layers.linear import QKVParallelLinear, RowParallelLinear
from fastdeploy.model_executor.layers.quantization.block_wise_fp8 import (
BlockWiseFP8Config,
)
from fastdeploy.model_executor.layers.quantization.weight_only import (
WINT4Config,
WINT8Config,
)
from fastdeploy.scheduler import SchedulerConfig
from tests.utils import OpPerformanceTester
paddle.set_default_dtype("bfloat16")
paddle.seed(1024)
QUANT_CONFIG_MAP = {
"wint8": WINT8Config({}),
"wint4": WINT4Config({}),
"block_wise_fp8": BlockWiseFP8Config(weight_block_size=[128, 128]),
}
class QuantizedLinearWrapper(paddle.nn.Layer):
def __init__(
self,
model_config: ModelConfig,
tp_size: int = 1,
prefix: str = "layer0",
quant_type: str = "wint4",
):
super().__init__()
self.model_config = model_config
self.tp_size = tp_size
self.prefix = prefix
self.fd_config = FDConfig(
model_config=self.model_config,
parallel_config=ParallelConfig({"tensor_parallel_size": self.tp_size}),
quant_config=QUANT_CONFIG_MAP[quant_type],
load_config=LoadConfig({}),
graph_opt_config=GraphOptimizationConfig({}),
scheduler_config=SchedulerConfig({}),
cache_config=CacheConfig({}),
)
self.fd_config.parallel_config.tp_group = None
self.qkv_proj = QKVParallelLinear(
self.fd_config,
prefix=f"{prefix}.qkv_proj",
with_bias=False,
)
self.o_proj = RowParallelLinear(
self.fd_config,
prefix=f"{prefix}.o_proj",
input_size=self.fd_config.model_config.head_dim * self.fd_config.model_config.num_attention_heads,
output_size=self.fd_config.model_config.hidden_size,
)
qkv_proj_weight_shape = [
self.qkv_proj.input_size,
self.qkv_proj.output_size,
]
o_proj_weight_shape = [
self.o_proj.input_size,
self.o_proj.output_size,
]
state_dict = {}
state_dict[f"{prefix}.qkv_proj.weight"] = paddle.randn(qkv_proj_weight_shape, paddle.bfloat16)
state_dict[f"{prefix}.o_proj.weight"] = paddle.randn(o_proj_weight_shape, paddle.bfloat16)
self.qkv_proj.load_state_dict(state_dict)
self.o_proj.load_state_dict(state_dict)
self.input_size = self.o_proj.input_size
self.output_size = self.qkv_proj.output_size
def forward(self, x):
x = self.o_proj(x)
x = self.qkv_proj(x)
return x
class TestQuantizedLinear(unittest.TestCase):
def setUp(self) -> None:
self.model_name_or_path = None
self.model_config = self.build_model_config()
def build_model_config(self) -> ModelConfig:
model_path = os.getenv("TEST_MODEL_PATH")
if model_path:
model_cofig_path = model_path
else:
model_cofig_path = self.build_config_json()
return ModelConfig(
{
"model": model_cofig_path,
"max_model_len": 2048,
}
)
def build_config_json(self) -> str:
config_dict = {
"architectures": ["Ernie4_5_MoeForCausalLM"],
"hidden_size": 8192,
"num_attention_heads": 64,
"num_key_value_heads": 8,
"num_hidden_layers": 54,
"dtype": "bfloat16",
}
tmp_dir = "./tmp_wint"
os.makedirs(tmp_dir, exist_ok=True)
with open(f"./{tmp_dir}/config.json", "w") as f:
json.dump(config_dict, f)
self.model_name_or_path = os.path.join(os.getcwd(), tmp_dir)
return self.model_name_or_path
def run_quantized_linear(self, type="qkv_proj", quant_type="wint4"):
quantized_linear = QuantizedLinearWrapper(self.model_config, quant_type=quant_type)
if type == "qkv_proj":
input_size = quantized_linear.qkv_proj.input_size
weight_size = quantized_linear.qkv_proj.output_size * quantized_linear.qkv_proj.input_size
mm = quantized_linear.qkv_proj
print(f"Input Size: {input_size}, Output Size: {quantized_linear.qkv_proj.output_size}")
elif type == "o_proj":
input_size = quantized_linear.o_proj.input_size
weight_size = quantized_linear.o_proj.output_size * quantized_linear.o_proj.input_size
mm = quantized_linear.o_proj
print(f"Input Size: {input_size}, Output Size: {quantized_linear.o_proj.output_size}")
else:
input_size = quantized_linear.input_size
weight_size = (
quantized_linear.qkv_proj.output_size * quantized_linear.qkv_proj.input_size
+ quantized_linear.o_proj.output_size * quantized_linear.o_proj.input_size
)
mm = quantized_linear
tester = OpPerformanceTester(
op_name=f"{type}-{quant_type}",
op_fn=mm,
num_layers=self.model_config.num_hidden_layers,
weight_size=weight_size,
)
tester.benchmark(
input_size=input_size,
batch_sizes=[1, 8, 16, 32, 128],
)
def test_quantized_linear(self):
for type in ["qkv_proj", "o_proj"]:
for quant_type in ["wint4", "wint8"]:
for use_machete in ["0", "1"]:
os.environ["FD_USE_MACHETE"] = use_machete
self.run_quantized_linear(type, quant_type)
self.run_quantized_linear(type, "block_wise_fp8")
def tearDown(self) -> None:
if self.model_name_or_path:
print("Remove tmp model config file")
shutil.rmtree(self.model_name_or_path)
class TestQuantizedLinearGroupSize64(TestQuantizedLinear):
def setUp(self) -> None:
self.model_name_or_path = None
self.model_config = self.build_model_config()
def build_model_config(self) -> ModelConfig:
model_path = os.getenv("TEST_MODEL_PATH")
if model_path:
model_cofig_path = model_path
else:
model_cofig_path = self.build_config_json()
return ModelConfig(
{
"model": model_cofig_path,
"max_model_len": 2048,
}
)
def build_config_json(self) -> str:
config_dict = {
"architectures": ["Ernie4_5_MoeForCausalLM"],
"hidden_size": 2880,
"head_dim": 64,
"num_attention_heads": 64,
"num_key_value_heads": 8,
"num_hidden_layers": 24,
"dtype": "bfloat16",
}
tmp_dir = "./tmp_wint"
os.makedirs(tmp_dir, exist_ok=True)
with open(f"./{tmp_dir}/config.json", "w") as f:
json.dump(config_dict, f)
self.model_name_or_path = os.path.join(os.getcwd(), tmp_dir)
return self.model_name_or_path
def test_quantized_linear(self):
for type in ["qkv_proj", "o_proj"]:
for quant_type in ["wint4", "wint8"]:
for use_machete in ["0", "1"]:
os.environ["FD_USE_MACHETE"] = use_machete
self.run_quantized_linear(type, quant_type)
if __name__ == "__main__":
unittest.main()