forked from huawei/mindspore2022
60 lines
2.2 KiB
Python
60 lines
2.2 KiB
Python
# Copyright 2019 Huawei Technologies Co., Ltd
|
|
#
|
|
# 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.
|
|
# ==============================================================================
|
|
"""Cache client
|
|
"""
|
|
|
|
import copy
|
|
|
|
from ..core.validator_helpers import type_check, check_uint32, check_uint64
|
|
|
|
|
|
class DatasetCache:
|
|
"""
|
|
A client to interface with tensor caching service
|
|
"""
|
|
|
|
def __init__(self, session_id=None, size=0, spilling=False, hostname=None, port=None, prefetch_size=20):
|
|
check_uint32(session_id, "session_id")
|
|
check_uint64(size, "size")
|
|
type_check(spilling, (bool,), "spilling")
|
|
check_uint32(prefetch_size, "prefetch size")
|
|
|
|
self.session_id = session_id
|
|
self.size = size
|
|
self.spilling = spilling
|
|
self.hostname = hostname
|
|
self.port = port
|
|
self.prefetch_size = prefetch_size
|
|
# temporary disable cache feature in the current release
|
|
self.cache_client = None
|
|
|
|
def GetStat(self):
|
|
return self.cache_client.GetStat()
|
|
|
|
def __deepcopy__(self, memodict):
|
|
if id(self) in memodict:
|
|
return memodict[id(self)]
|
|
cls = self.__class__
|
|
new_cache = cls.__new__(cls)
|
|
memodict[id(self)] = new_cache
|
|
new_cache.session_id = copy.deepcopy(self.session_id, memodict)
|
|
new_cache.spilling = copy.deepcopy(self.spilling, memodict)
|
|
new_cache.size = copy.deepcopy(self.size, memodict)
|
|
new_cache.hostname = copy.deepcopy(self.hostname, memodict)
|
|
new_cache.port = copy.deepcopy(self.port, memodict)
|
|
new_cache.prefetch_size = copy.deepcopy(self.prefetch_size, memodict)
|
|
new_cache.cache_client = self.cache_client
|
|
return new_cache
|