63 lines
2.1 KiB
Python
63 lines
2.1 KiB
Python
|
#
|
||
|
|
# Copyright (c) 2025 Huawei Technologies Co., Ltd. All Rights Reserved.
|
||
|
|
# This file is a part of the vllm-ascend project.
|
||
|
|
#
|
||
|
|
# 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.
|
||
|
|
#
|
||
|
|
|
||
|
|
from typing import Any, Dict, Optional, Tuple, Type
|
||
|
|
|
||
|
|
# Registry: maps (quant_type, layer_type) -> SchemeClass
|
||
|
|
_SCHEME_REGISTRY: Dict[Tuple[str, str], Type[Any]] = {}
|
||
|
|
|
||
|
|
|
||
|
|
def register_scheme(quant_type: str, layer_type: str):
|
||
|
|
"""Decorator to register a quantization scheme.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
quant_type: Quantization type (e.g., "W8A8", "W8A8_DYNAMIC").
|
||
|
|
layer_type: Layer type (e.g., "linear", "moe").
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
Decorator function that registers the class.
|
||
|
|
|
||
|
|
Example:
|
||
|
|
@register_scheme("W8A8_DYNAMIC", "linear")
|
||
|
|
class W8A8DynamicLinearScheme(AscendLinearScheme):
|
||
|
|
...
|
||
|
|
"""
|
||
|
|
|
||
|
|
def decorator(cls: Type[Any]) -> Type[Any]:
|
||
|
|
key = (quant_type, layer_type)
|
||
|
|
if key in _SCHEME_REGISTRY:
|
||
|
|
raise ValueError(
|
||
|
|
f"Scheme already registered for {quant_type}/{layer_type}: "
|
||
|
|
f"{_SCHEME_REGISTRY[key].__name__}")
|
||
|
|
_SCHEME_REGISTRY[key] = cls
|
||
|
|
return cls
|
||
|
|
|
||
|
|
return decorator
|
||
|
|
|
||
|
|
|
||
|
|
def get_scheme_class(quant_type: str, layer_type: str) -> Optional[Type[Any]]:
|
||
|
|
"""Get scheme class for given quant_type and layer_type.
|
||
|
|
|
||
|
|
Args:
|
||
|
|
quant_type: Quantization type (e.g., "W8A8", "W8A8_DYNAMIC").
|
||
|
|
layer_type: Layer type (e.g., "linear", "moe").
|
||
|
|
|
||
|
|
Returns:
|
||
|
|
The registered scheme class, or None if not found.
|
||
|
|
"""
|
||
|
|
return _SCHEME_REGISTRY.get((quant_type, layer_type))
|