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September 2, 2019 14:59
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import onnx | |
from onnx_tf.backend import prepare | |
import tensorflow as tf | |
from tensorflow.python.client import timeline | |
import time | |
# Prepare the inputs, here we use numpy to generate some random inputs for demo purpose | |
import numpy as np | |
img = np.random.randn(1, 3, 224, 224).astype(np.float32) | |
# Load the ONNX model | |
print("Loading") | |
model = onnx.load('onnx_model_name.onnx') | |
tf_rep = prepare(model, strict=False) | |
print(tf_rep.inputs) # Input nodes to the model | |
print('-----') | |
print(tf_rep.outputs) # Output nodes from the model | |
print('-----') | |
print(tf_rep.tensor_dict) # All nodes in the model | |
print("Running") # this should run fast | |
run_options = tf.RunOptions(trace_level=tf.RunOptions.FULL_TRACE) | |
run_metadata = tf.RunMetadata() | |
config = tf.ConfigProto() | |
config.gpu_options.allow_growth = True | |
sess = tf.Session(config=config, graph=None) | |
tf.import_graph_def(tf_rep.graph.as_graph_def(),name="") | |
start = time.time() | |
for i in range(10): | |
output = sess.run("add_9:0", feed_dict = {"input:0": img}, options=run_options, run_metadata=run_metadata) #tf_rep.run(img) ##tf_rep.run(img) | |
print(output) | |
end = time.time() | |
print("time elapsed:") | |
print(end - start) | |
tl = timeline.Timeline(run_metadata.step_stats) | |
ctf = tl.generate_chrome_trace_format() | |
with open('trace_file.json', 'w') as f: | |
f.write(ctf) | |
print(tf_rep.tensor_dict) | |
tf_rep.export_graph("onnx_tf.pb") | |
#""" |
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