mindspore2022/mindspore/_extends/graph_kernel/expander.py

75 lines
2.6 KiB
Python

# Copyright 2020-2021 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
from mindspore._extends.graph_kernel.model.model import GraphKernelUnsupportedException
def create_expander(expand_info):
"""Create an expander according to op name"""
def call_func(func, arg):
return func(arg)
op_name = str(expand_info['name'])
if not hasattr(expanders, op_name):
raise GraphKernelUnsupportedException("Generator do not support op: {}".format(op_name))
expander = getattr(expanders, op_name)
return call_func(expander, expand_info)
def extract_expand_info(kernel_info):
"""Convert the json into a more friendly format"""
input_desc = []
if 'input_desc' in kernel_info and kernel_info['input_desc']:
for desc in kernel_info['input_desc']:
input_desc += desc
attrs = {}
if 'attr' in kernel_info and kernel_info['attr']:
for attr in kernel_info["attr"]:
attrs[attr["name"]] = attr["value"]
expand_info = {
"name": kernel_info["name"],
"input_desc": input_desc,
"output_desc": kernel_info["output_desc"],
"attr": attrs,
"process": kernel_info["process"],
}
return expand_info
def get_op_expander(json_str: str):
"""get op expander by json info"""
try:
kernel_info = json.loads(json_str)
expand_info = extract_expand_info(kernel_info)
expander = create_expander(expand_info)
graph = expander.run()
# 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
except GraphKernelUnsupportedException as e:
logger.info(e.message)
return ""