# SPDX-FileCopyrightText: Copyright (c) 2022-2024 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
# SPDX-License-Identifier: Apache-2.0
#
# 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 ..llama.config import LLaMAConfig
from ..qwen.config import QWenConfig
# Medusa-specific config is stored and retrieved from GenericMedusaConfig.
[docs]
class MedusaConfig():
def __init__(self,
*,
num_medusa_heads: int = 4,
num_medusa_layers: int = 1,
max_draft_len: int = 63,
**kwargs):
GenericMedusaConfig = QWenConfig if "qwen" in kwargs[
'model_type'] else LLaMAConfig
self.config = GenericMedusaConfig(**kwargs)
# Add objects
self.config.num_medusa_heads = num_medusa_heads
self.config.num_medusa_layers = num_medusa_layers
self.config.max_draft_len = max_draft_len
[docs]
def to_dict(self):
output = self.config.to_dict()
output['num_medusa_heads'] = self.config.num_medusa_heads
output['num_medusa_layers'] = self.config.num_medusa_layers
output['max_draft_len'] = self.config.max_draft_len
return output
# Specialization to redirect accesses to self.config
def __getattr__(self, name):
return getattr(self.config, name)
def __getstate__(self):
return self.__dict__
def __setstate__(self, state):
self.__dict__.update(state)