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search_task.py
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search_task.py
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# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you 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.
""" The definiton of SearchTask """
import tvm._ffi
from tvm.runtime import Object
from . import _ffi_api
@tvm._ffi.register_object("auto_scheduler.SearchTask")
class SearchTask(Object):
"""The computation information and hardware parameters for a schedule search task.
Parameters
----------
dag : ComputeDAG
The ComputeDAG for the corresponding compute declaration.
workload_key : str
The workload key for the corresponding compute declaration.
target : tvm.target.Target
The target device of this search task.
target_host : Optional[tvm.target.Target]
The target host device of this search task.
hardware_params : Optional[HardwareParams]
Hardware parameters used in this search task.
"""
def __init__(self, dag, workload_key, target, target_host=None, hardware_params=None):
self.dag = dag
self.workload_key = workload_key
self.target = target
self.target_host = target_host
self.hardware_params = hardware_params
self.__init_handle_by_constructor__(
_ffi_api.SearchTask, dag, workload_key, target, target_host, hardware_params
)
def __getstate__(self):
return {
"dag": self.dag,
"workload_key": self.workload_key,
"target": self.target,
"target_host": self.target_host,
"hardware_params": self.hardware_params,
}
def __setstate__(self, state):
self.dag = state["dag"]
self.workload_key = state["workload_key"]
self.target = state["target"]
self.target_host = state["target_host"]
self.hardware_params = state["hardware_params"]
self.__init_handle_by_constructor__(
_ffi_api.SearchTask,
self.dag,
self.workload_key,
self.target,
self.target_host,
self.hardware_params,
)