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Diffstat (limited to 'python/pyarmnn/test/test_tflite_parser.py')
-rw-r--r-- | python/pyarmnn/test/test_tflite_parser.py | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/python/pyarmnn/test/test_tflite_parser.py b/python/pyarmnn/test/test_tflite_parser.py new file mode 100644 index 0000000000..ab492f6e4f --- /dev/null +++ b/python/pyarmnn/test/test_tflite_parser.py @@ -0,0 +1,173 @@ +# Copyright © 2019 Arm Ltd. All rights reserved. +# SPDX-License-Identifier: MIT +import os + +import pytest +import pyarmnn as ann +import numpy as np + + +@pytest.fixture() +def parser(shared_data_folder): + """ + Parse and setup the test network (ssd_mobilenetv1) to be used for the tests below + """ + parser = ann.ITfLiteParser() + parser.CreateNetworkFromBinaryFile(os.path.join(shared_data_folder, 'ssd_mobilenetv1.tflite')) + + yield parser + + +def test_tflite_parser_swig_destroy(): + assert ann.ITfLiteParser.__swig_destroy__, "There is a swig python destructor defined" + assert ann.ITfLiteParser.__swig_destroy__.__name__ == "delete_ITfLiteParser" + + +def test_check_tflite_parser_swig_ownership(parser): + # Check to see that SWIG has ownership for parser. This instructs SWIG to take + # ownership of the return value. This allows the value to be automatically + # garbage-collected when it is no longer in use + assert parser.thisown + +def test_tflite_get_sub_graph_count(parser): + graphs_count = parser.GetSubgraphCount() + assert graphs_count == 1 + + +def test_tflite_get_network_input_binding_info(parser): + graphs_count = parser.GetSubgraphCount() + graph_id = graphs_count - 1 + + input_names = parser.GetSubgraphInputTensorNames(graph_id) + + input_binding_info = parser.GetNetworkInputBindingInfo(graph_id, input_names[0]) + + tensor = input_binding_info[1] + assert tensor.GetDataType() == 2 + assert tensor.GetNumDimensions() == 4 + assert tensor.GetNumElements() == 270000 + assert tensor.GetQuantizationOffset() == 128 + assert tensor.GetQuantizationScale() == 0.007874015718698502 + + +def test_tflite_get_network_output_binding_info(parser): + graphs_count = parser.GetSubgraphCount() + graph_id = graphs_count - 1 + + output_names = parser.GetSubgraphOutputTensorNames(graph_id) + + output_binding_info1 = parser.GetNetworkOutputBindingInfo(graph_id, output_names[0]) + output_binding_info2 = parser.GetNetworkOutputBindingInfo(graph_id, output_names[1]) + output_binding_info3 = parser.GetNetworkOutputBindingInfo(graph_id, output_names[2]) + output_binding_info4 = parser.GetNetworkOutputBindingInfo(graph_id, output_names[3]) + + # Check the tensor info retrieved from GetNetworkOutputBindingInfo + tensor1 = output_binding_info1[1] + tensor2 = output_binding_info2[1] + tensor3 = output_binding_info3[1] + tensor4 = output_binding_info4[1] + + assert tensor1.GetDataType() == 1 + assert tensor1.GetNumDimensions() == 3 + assert tensor1.GetNumElements() == 40 + assert tensor1.GetQuantizationOffset() == 0 + assert tensor1.GetQuantizationScale() == 0.0 + + assert tensor2.GetDataType() == 1 + assert tensor2.GetNumDimensions() == 2 + assert tensor2.GetNumElements() == 10 + assert tensor2.GetQuantizationOffset() == 0 + assert tensor2.GetQuantizationScale() == 0.0 + + assert tensor3.GetDataType() == 1 + assert tensor3.GetNumDimensions() == 2 + assert tensor3.GetNumElements() == 10 + assert tensor3.GetQuantizationOffset() == 0 + assert tensor3.GetQuantizationScale() == 0.0 + + assert tensor4.GetDataType() == 1 + assert tensor4.GetNumDimensions() == 1 + assert tensor4.GetNumElements() == 1 + assert tensor4.GetQuantizationOffset() == 0 + assert tensor4.GetQuantizationScale() == 0.0 + + +def test_tflite_get_subgraph_input_tensor_names(parser): + graphs_count = parser.GetSubgraphCount() + graph_id = graphs_count - 1 + + input_names = parser.GetSubgraphInputTensorNames(graph_id) + + assert input_names == ('normalized_input_image_tensor',) + + +def test_tflite_get_subgraph_output_tensor_names(parser): + graphs_count = parser.GetSubgraphCount() + graph_id = graphs_count - 1 + + output_names = parser.GetSubgraphOutputTensorNames(graph_id) + + assert output_names[0] == 'TFLite_Detection_PostProcess' + assert output_names[1] == 'TFLite_Detection_PostProcess:1' + assert output_names[2] == 'TFLite_Detection_PostProcess:2' + assert output_names[3] == 'TFLite_Detection_PostProcess:3' + + +def test_tflite_filenotfound_exception(shared_data_folder): + parser = ann.ITfLiteParser() + + with pytest.raises(RuntimeError) as err: + parser.CreateNetworkFromBinaryFile(os.path.join(shared_data_folder, 'some_unknown_network.tflite')) + + # Only check for part of the exception since the exception returns + # absolute path which will change on different machines. + assert 'Cannot find the file' in str(err.value) + + +def test_tflite_parser_end_to_end(shared_data_folder): + parser = ann.ITfLiteParser() + + network = parser.CreateNetworkFromBinaryFile(os.path.join(shared_data_folder,"inception_v3_quant.tflite")) + + graphs_count = parser.GetSubgraphCount() + graph_id = graphs_count - 1 + + input_names = parser.GetSubgraphInputTensorNames(graph_id) + input_binding_info = parser.GetNetworkInputBindingInfo(graph_id, input_names[0]) + + output_names = parser.GetSubgraphOutputTensorNames(graph_id) + + preferred_backends = [ann.BackendId('CpuAcc'), ann.BackendId('CpuRef')] + + options = ann.CreationOptions() + runtime = ann.IRuntime(options) + + opt_network, messages = ann.Optimize(network, preferred_backends, runtime.GetDeviceSpec(), ann.OptimizerOptions()) + assert 0 == len(messages) + + net_id, messages = runtime.LoadNetwork(opt_network) + assert "" == messages + + # Load test image data stored in input.npy + input_tensor_data = np.load(os.path.join(shared_data_folder, 'tflite_parser/inceptionv3_golden_input.npy')) + input_tensors = ann.make_input_tensors([input_binding_info], [input_tensor_data]) + + output_tensors = [] + for index, output_name in enumerate(output_names): + out_bind_info = parser.GetNetworkOutputBindingInfo(graph_id, output_name) + out_tensor_info = out_bind_info[1] + out_tensor_id = out_bind_info[0] + output_tensors.append((out_tensor_id, + ann.Tensor(out_tensor_info))) + + runtime.EnqueueWorkload(net_id, input_tensors, output_tensors) + + output_vectors = [] + for index, out_tensor in enumerate(output_tensors): + output_vectors.append(out_tensor[1].get_memory_area()) + + # Load golden output file to compare the output results with + expected_outputs = np.load(os.path.join(shared_data_folder, 'tflite_parser/inceptionv3_golden_output.npy')) + + # Check that output matches golden output + np.testing.assert_allclose(output_vectors, expected_outputs, 0.08) |