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# Copyright(c)2020-2025 Shanghai Biren Technology Co., Ltd. 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.
#
################################################################################

# TODO(ychun) temp annotation
# @property  # type: ignore
# def AttentionSpec_page_size_bytes(self) -> int:
#     # For MLA we only store a single latent vector, BR166 uses BB, so it needs to be multiplied by 2
#     coef = 1 if (self.use_mla and envs.VLLM_BR_DEVICE_SPC_NUM <= 16) else 2
#     return coef * self.block_size * self.num_kv_heads * self.head_size \
#             * get_dtype_size(self.dtype)

# AttentionSpec.page_size_bytes = AttentionSpec_page_size_bytes