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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. | |
# See: | |
# - https://tvm.apache.org/docs/tutorials/frontend/from_onnx.html | |
# - https://github.com/apache/tvm/blob/main/tutorials/frontend/from_onnx.py | |
# - https://github.com/onnx/models | |
import subprocess | |
import os | |
import sys | |
import posixpath | |
from six.moves.urllib.request import urlretrieve | |
import glob | |
import onnx | |
from onnx import numpy_helper | |
import numpy as np | |
import tvm | |
import tvm.relay as relay | |
from tvm.contrib import graph_executor | |
from tvm.runtime.vm import VirtualMachine | |
def get_value_info_shape(value_info): | |
return tuple([max(d.dim_value, 1) for d in value_info.type.tensor_type.shape.dim]) | |
urls = [ | |
'https://github.com/onnx/models/raw/master/vision/object_detection_segmentation/yolov4/model/yolov4.tar.gz', | |
'https://github.com/onnx/models/raw/master/text/machine_comprehension/bert-squad/model/bertsquad-10.tar.gz', | |
# 'https://github.com/onnx/models/raw/master/text/machine_comprehension/roberta/model/roberta-base-11.tar.gz', | |
# XXX: Often segfaults | |
'https://github.com/onnx/models/raw/master/text/machine_comprehension/gpt-2/model/gpt2-10.tar.gz', | |
] | |
target = "llvm" | |
ctx = tvm.device(target, 0) | |
summary = [] | |
for url in urls: | |
print(f'==> {url} <==') | |
archive = posixpath.basename(url) | |
if not os.path.exists(archive): | |
print(f'Downloading {url} ...') | |
urlretrieve(url, archive) | |
assert os.path.exists(archive) | |
import tarfile | |
tar = tarfile.open(archive, 'r:gz') | |
for n in tar.getnames(): | |
if n.endswith('.onnx'): | |
model_file = n | |
name = os.path.dirname(n) | |
break | |
if not os.path.exists(model_file): | |
print(f'Extracting {archive} ...') | |
#subprocess.call(['tar', 'xzf', archive]) | |
tar.extractall() | |
assert os.path.exists(model_file) | |
print(f'Loading {model_file} ...') | |
onnx_model = onnx.load(model_file) | |
graph = onnx_model.graph | |
initializers = set() | |
for initializer in graph.initializer: | |
initializers.add(initializer.name) | |
input_values = [] | |
test_data_set = glob.glob(os.path.join(name, 'test_data_set_*'))[0] | |
shape_dict = {} | |
assert os.path.exists(test_data_set) | |
inputs = {} | |
for input in graph.input: | |
if input.name not in initializers: | |
i = len(input_values) | |
input_data = os.path.join(test_data_set, f'input_{i}.pb') | |
tensor = onnx.TensorProto() | |
input_data = open(input_data, 'rb').read() | |
tensor.ParseFromString(input_data) | |
x = numpy_helper.to_array(tensor) | |
input_values.append(x) | |
shape_dict[input.name] = x.shape | |
inputs[input.name] = tvm.nd.array(x, ctx) | |
print(f'Input shapes: {shape_dict}') | |
try: | |
print(f'Importing graph from ONNX to TVM Relay IR ...') | |
mod, params = relay.frontend.from_onnx(onnx_model, shape_dict, freeze_params=True) | |
mod = relay.transform.DynamicToStatic()(mod) | |
print(f'Compiling graph from Relay IR to {target} ...') | |
with tvm.transform.PassContext(opt_level=3): | |
vm_exec = relay.vm.compile(mod, target, params=params) | |
dev = tvm.device(target, 0) | |
vm = VirtualMachine(vm_exec, dev) | |
vm.set_input("main", **inputs) | |
print(f"Running inference...") | |
vm.run() | |
except KeyboardInterrupt: | |
raise | |
except Exception as ex: | |
print(f'Caught an exception {ex}') | |
result = 'not ok' | |
else: | |
print(f'Succeeded!') | |
result = 'ok' | |
summary.append((result, url)) | |
print() | |
print('Summary:') | |
for result, url in summary: | |
print(f'{result}\t- {url}') |
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