mirror of
https://github.com/PaddlePaddle/FastDeploy.git
synced 2026-04-23 00:17:25 +08:00
Yonghua Li
8d27a523e7
* [feat] support attention_store kv cache backend * [fix] fix codestyle * [chore] optimize log * [fix] fix write storage task * [fix] fix read storage * [fix] fix code conflict after merge develop * [fix] fix cache bytes and read task token ids * [chore] add model for cache transfer manager * [chore] add some log * [chore] remove launched_cache_manager_signal * [fix] fix write_back_storage_task match_block_num condition * [fix] fix swap_cost_time * [ci] fix ci * Update fastdeploy/engine/sched/resource_manager_v1.py Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update fastdeploy/cache_manager/cache_transfer_manager.py Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Update fastdeploy/cache_manager/transfer_factory/mooncake_store/attention_store.py Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: Jiang-Jia-Jun <163579578+Jiang-Jia-Jun@users.noreply.github.com> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
105 lines
2.7 KiB
Python
105 lines
2.7 KiB
Python
"""
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# Copyright (c) 2025 PaddlePaddle Authors. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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from abc import ABC, abstractmethod
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from typing import Any, List, Optional
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import paddle
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from fastdeploy.utils import get_logger
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logger = get_logger("cache_storage", "cache_storage.log")
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class KVCacheStorage(ABC):
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"""
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KVCacheStorage is a class that provides a generic key-value interface for storing and retrieving KV cache.
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"""
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@abstractmethod
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def get(
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self,
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key: str,
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target_location: Optional[Any] = None,
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target_size: Optional[Any] = None,
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) -> paddle.Tensor | None:
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"""
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Retrieve the value associated with the given key.
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Returns None if the key does not exist.
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"""
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pass
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@abstractmethod
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def batch_get(
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self,
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keys: List[str],
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target_locations: Optional[Any] = None,
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target_sizes: Optional[Any] = None,
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) -> List[paddle.Tensor | None]:
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"""
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Retrieve values for multiple keys.
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Returns a list of tensors or None for each key.
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"""
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pass
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@abstractmethod
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def set(
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self,
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key: str,
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target_location: Optional[Any] = None,
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target_size: Optional[Any] = None,
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) -> bool:
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"""
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Store the value associated with the given key.
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Returns True if the operation was successful, False otherwise.
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"""
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pass
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@abstractmethod
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def batch_set(
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self,
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keys: List[str],
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target_locations: Optional[Any] = None,
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target_sizes: Optional[Any] = None,
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) -> bool:
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"""
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Store multiple key-value pairs.
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Returns True if all operations were successful, False otherwise.
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"""
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pass
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@abstractmethod
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def exists(self, keys: List[str]) -> bool:
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"""
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Check if the key exists in the storage.
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Returns True if the key exists, False otherwise.
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"""
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pass
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@abstractmethod
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def clear(self) -> bool:
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"""
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Clear all keys in storage
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"""
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pass
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@abstractmethod
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def query(self) -> int:
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"""
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Query the number of blocks stored in the storage.
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"""
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pass
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