def test_external_delegate_options_memory_import(delegate_dir,
test_data_folder):
# create armnn delegate with memory-import option
armnn_delegate = tflite.load_delegate(delegate_dir,
options={
'backends': 'CpuAcc,CpuRef',
'memory-import': '1'
})
model_file_name = 'fallback_model.tflite'
tensor_shape = [1, 2, 2, 1]
input0 = np.array([1, 2, 3, 4], dtype=np.uint8).reshape(tensor_shape)
input1 = np.array([2, 2, 3, 4], dtype=np.uint8).reshape(tensor_shape)
inputs = [input0, input0, input1]
expected_output = np.array([1, 2, 2, 2],
dtype=np.uint8).reshape(tensor_shape)
# run the inference
armnn_outputs = run_inference(test_data_folder, model_file_name, inputs,
[armnn_delegate])
# check results
compare_outputs(armnn_outputs, [expected_output])
def get(self):
args = parser.parse_args()
img_url = args.img_url
if args.pred_num:
top_predictions = args.pred_num
bytes_str = parse_base64(img_url)
if not bytes_str:
res = requests.get(img_url)
if res.status_code != 200:
try:
res.raise_for_status()
except Exception as e:
return jsonify({"status": res.status_code,\
"msg": str(e)})
else:
bytes_str = res.content
im = Image.open(BytesIO(bytes_str))
im.save("sample.jpg")
im = preprocess_image(im)
prediction = run_inference(model, im, top_predictions)
prediction = one_prediction(prediction, imagenet_classes)
response = {"status": 200, "msg": prediction}
return jsonify(response)
def test_external_delegate_options_fp32_to_bf16(capfd, delegate_dir,
test_data_folder):
# create armnn delegate with reduce-fp32-to-bf16 option
armnn_delegate = tflite.load_delegate(delegate_dir,
options={
'backends': 'CpuRef',
'debug-data': '1',
'reduce-fp32-to-bf16': '1'
})
model_file_name = 'conv2d.tflite'
inputShape = [1, 5, 5, 1]
outputShape = [1, 3, 3, 1]
inputValues = [
1, 5, 2, 3, 5, 8, 7, 3, 6, 3, 3, 3, 9, 1, 9, 4, 1, 8, 1, 3, 6, 8, 1, 9,
2
]
expectedResult = [28, 38, 29, 96, 104, 53, 31, 55, 24]
input = np.array(inputValues, dtype=np.float32).reshape(inputShape)
expected_output = np.array(expectedResult,
dtype=np.float32).reshape(outputShape)
# run the inference
armnn_outputs = run_inference(test_data_folder, model_file_name, [input],
[armnn_delegate])
# check results
compare_outputs(armnn_outputs, [expected_output])
captured = capfd.readouterr()
assert 'convert_fp32_to_bf16' in captured.out
def test_external_delegate_options_fp32_to_fp16(capfd, delegate_dir,
test_data_folder):
# create armnn delegate with reduce-fp32-to-fp16 option
armnn_delegate = tflite.load_delegate(delegate_dir,
options={
'backends': 'CpuRef',
'debug-data': '1',
'reduce-fp32-to-fp16': '1'
})
model_file_name = 'fp32_model.tflite'
tensor_shape = [1, 2, 2, 1]
input0 = np.array([1, 2, 3, 4], dtype=np.float32).reshape(tensor_shape)
input1 = np.array([2, 2, 3, 4], dtype=np.float32).reshape(tensor_shape)
inputs = [input0, input0, input1]
expected_output = np.array([1, 2, 2, 2],
dtype=np.float32).reshape(tensor_shape)
# run the inference
armnn_outputs = run_inference(test_data_folder, model_file_name, inputs,
[armnn_delegate])
# check results
compare_outputs(armnn_outputs, [expected_output])
captured = capfd.readouterr()
assert 'convert_fp32_to_fp16' in captured.out
assert 'convert_fp16_to_fp32' in captured.out
def test_external_delegate_gpu_fastmath(delegate_dir, test_data_folder):
# create armnn delegate with enable-fast-math
# fast-math is only enabled on Conv2d layer, so use conv2d model.
armnn_delegate = tflite.load_delegate(delegate_dir,
options={
'backends': 'GpuAcc',
'enable-fast-math': '1',
"logging-severity": "info"
})
model_file_name = 'conv2d.tflite'
inputShape = [1, 5, 5, 1]
outputShape = [1, 3, 3, 1]
inputValues = [
1, 5, 2, 3, 5, 8, 7, 3, 6, 3, 3, 3, 9, 1, 9, 4, 1, 8, 1, 3, 6, 8, 1, 9,
2
]
expectedResult = [28, 38, 29, 96, 104, 53, 31, 55, 24]
input = np.array(inputValues, dtype=np.float32).reshape(inputShape)
expected_output = np.array(expectedResult,
dtype=np.float32).reshape(outputShape)
# run the inference
armnn_outputs = run_inference(test_data_folder, model_file_name, [input],
[armnn_delegate])
# check results
compare_outputs(armnn_outputs, [expected_output])
def test_external_delegate_cpu_options(capfd, delegate_dir, test_data_folder):
# create armnn delegate with enable-fast-math and number-of-threads options
# fast-math is only enabled on Conv2d layer, so use conv2d model.
armnn_delegate = tflite.load_delegate(delegate_dir,
options={
'backends': 'CpuAcc',
'enable-fast-math': '1',
'number-of-threads': '4',
"logging-severity": "info"
})
model_file_name = 'conv2d.tflite'
inputShape = [1, 5, 5, 1]
outputShape = [1, 3, 3, 1]
inputValues = [
1, 5, 2, 3, 5, 8, 7, 3, 6, 3, 3, 3, 9, 1, 9, 4, 1, 8, 1, 3, 6, 8, 1, 9,
2
]
expectedResult = [28, 38, 29, 96, 104, 53, 31, 55, 24]
input = np.array(inputValues, dtype=np.float32).reshape(inputShape)
expected_output = np.array(expectedResult,
dtype=np.float32).reshape(outputShape)
# run the inference
armnn_outputs = run_inference(test_data_folder, model_file_name, [input],
[armnn_delegate])
# check results
compare_outputs(armnn_outputs, [expected_output])
captured = capfd.readouterr()
assert 'Set CPPScheduler to Linear mode, with 4 threads to use' in captured.out
# # # # # # # # ## # # # ## # # OPTIMIZER, LOSS # # # # # # # # ## # # # ## # #
optimizer = tagging_utils.build_optimizer(
model, int((num_train_examples * ARGS.epochs) / ARGS.train_batch_size),
ARGS.learning_rate)
loss_fn = tagging_utils.build_loss_fn()
# # # # # # # # ## # # # ## # # TRAIN # # # # # # # # ## # # # ## # #
writer = SummaryWriter(ARGS.working_dir)
print('INITIAL EVAL...')
model.eval()
results = tagging_utils.run_inference(model, eval_dataloader, loss_fn,
tokenizer)
writer.add_scalar('eval/tok_loss', np.mean(results['tok_loss']), 0)
writer.add_scalar('eval/tok_acc', np.mean(results['labeling_hits']), 0)
attention_results = []
def output_attention_results(results, epoch):
global attention_results
'''
Write out the results of the attention layer for interpretable AI.
Results is a dictionary that contains the following important entries:
- results['input_toks']
- results['post_toks']
- results['tok_labels']
from utils import read_imagenet_classnames, display_results, run_inference, parse_base64
from torchvision import models
parser = argparse.ArgumentParser(description='Inference Trained Model')
parser.add_argument('--data', metavar='DIR', default='./data', help='default data path')
parser.add_argument('-bs', '--batch-size', metavar='BS', default=2, help='maximum batchsize')
parser.add_argument('-tp', '--top-predictions', metavar='NUMPRED',\
default=5, help='number of top predictions per sample')
parser.add_argument('-exp', '--export', action="store_true",help='export model to onnx')
def export_model(model):
model_path = 'checkpoints/model.pt'
sample_input = torch.randn((1, 3, 256, 256))
model = model.cpu()
model.eval()
model = torch.jit.trace(model, sample_input)
torch.jit.save(model, model_path)
if __name__ == "__main__":
args = parser.parse_args()
model = models.resnet18(pretrained=True)
if args.export:
export_model(model)
else:
imagenet_classes = read_imagenet_classnames("cache/imagenet_classnames.txt")
data = preprocess_data("cache")
predictions = run_inference(model, data[0], args.top_predictions)
display_results(data, predictions, imagenet_classes)
