mindspore2022/mindspore/_extends/graph_kernel/expander.py

59 lines
2.1 KiB
Python

# Copyright 2020 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.
# ============================================================================
"""generate json desc for graph kernel ops"""
import json
import json.decoder as jd
import traceback
from mindspore import log as logger
import mindspore._extends.graph_kernel.expanders as expanders
def get_op_expander(json_str: str):
"""get op expander by json info"""
try:
kernel_info = json.loads(json_str)
expand_info = kernel_info['expand_info']
if 'name' not in expand_info:
logger.error("expand info have no op name")
return None
if 'process' not in expand_info:
logger.error("expand info have no processor info")
return None
processor = expand_info['process']
op_name = str(expand_info['name']).lower()
expand_op_func_name = 'expand_' + op_name
if not hasattr(expanders, expand_op_func_name):
logger.error("Generator do not support op: {}".format(op_name))
return None
expand_op_func = getattr(expanders, expand_op_func_name)
# generate graph desc.
graph = expand_op_func(expand_info)
if graph is None:
logger.error("Failed to generate graph of: {}".format(op_name))
return None
graph.set_processor(processor)
# dump graph to json desc.
desc = graph.dump()
return json.dumps(desc)
except jd.JSONDecodeError:
logger.error("Failed to generate graph kernel op")
logger.error(traceback.format_exc())
return None