def test_image(self,
image,
save_path,
model_path,
psnr=False,
real_image_path=None):
func_config = flow.FunctionConfig()
func_config.default_data_type(flow.float)
flow.config.gpu_device_num(self.gpu_num_per_node)
@flow.global_function(type="predict", function_config=func_config)
def eval_generator(input: tp.Numpy.Placeholder(
(1, 3, H, W))) -> tp.Numpy:
g_out = self.Generator(input, trainable=True)
return g_out
flow.load_variables(flow.checkpoint.get(model_path))
if image.shape != (1, 3, H, W):
image = np.expand_dims(image, axis=0)
result = eval_generator(image)
self.save_image(result[0], save_path)
if psnr:
pytorch_result = load_image(real_image_path)[0].transpose(1, 2, 0)
pytorch_result = np.expand_dims(pytorch_result, axis=0)
print(self.psnr(pytorch_result, result.transpose(0, 2, 3, 1)))
flow.clear_default_session()
def main(args):
input_image = load_image(args.input_image_path)
height = input_image.shape[2]
width = input_image.shape[3]
flow.env.init()
@flow.global_function("predict", get_predict_config())
def PredictNet(image: tp.Numpy.Placeholder(
(1, 3, height, width), dtype=flow.float32)) -> tp.Numpy:
style_out = style_model.styleNet(image, trainable=True)
return style_out
flow.load_variables(flow.checkpoint.get(args.model_load_dir))
import datetime
a = datetime.datetime.now()
style_out = PredictNet(input_image)
b = datetime.datetime.now()
c = b - a
print("time: %s ms, height: %d, width: %d" %
(c.microseconds / 1000, height, width))
cv2.imwrite(args.output_image_path, recover_image(style_out))
def _TestLoadCorrectness(test_case, model_getter, dtype, legacy_api):
"""
Save weights by legacy model io, load weights by new model io,
and check the equality.
"""
with tempfile.TemporaryDirectory() as save_dir:
refresh_session()
flow.config.enable_legacy_model_io(True)
large1 = get_checkpoint_ready_model(model_getter, dtype)
check_point = flow.train.CheckPoint()
check_point.init()
check_point.save(save_dir)
res1 = large1()
flow.clear_default_session()
flow.config.gpu_device_num(4)
flow.config.enable_legacy_model_io(False)
large2 = get_checkpoint_ready_model(model_getter, dtype)
if legacy_api:
check_point = flow.train.CheckPoint()
check_point.load(save_dir)
else:
vars_in_file = flow.checkpoint.get(save_dir)
flow.load_variables(vars_in_file)
res2 = large2()
test_case.assertTrue(np.array_equal(res1, res2))
def _TestMixedModel(test_case, dtype):
with tempfile.TemporaryDirectory(
) as save_dir1, tempfile.TemporaryDirectory() as save_dir2:
def get_variable(name):
return flow.get_variable(
name=name,
shape=(10, 80, 40, 20),
dtype=dtype,
initializer=flow.random_normal_initializer(mean=10, stddev=1),
distribute=flow.distribute.split(0),
)
def get_part_of_mixed_model(dtype):
@flow.global_function()
def model() -> tp.Numpy:
with get_placement():
x = get_variable("x")
return x
return model
def get_mixed_model(dtype):
@flow.global_function()
def model() -> tp.Numpy:
with get_placement():
x1 = get_variable("x_from_model1")
x2 = get_variable("x_from_model2")
return x1 + x2
return model
refresh_session()
model1 = get_checkpoint_ready_model(get_part_of_mixed_model, dtype)
flow.checkpoint.save(save_dir1)
refresh_session()
model2 = get_checkpoint_ready_model(get_part_of_mixed_model, dtype)
flow.checkpoint.save(save_dir2)
refresh_session()
mixed_model = get_checkpoint_ready_model(get_mixed_model, dtype)
var_dict_from_model1 = flow.checkpoint.get(save_dir1)
var_dict_from_model2 = flow.checkpoint.get(save_dir2)
new_var_dict = {}
for key, val in var_dict_from_model1.items():
new_var_dict["{}_from_model1".format(key)] = val
for key, val in var_dict_from_model2.items():
new_var_dict["{}_from_model2".format(key)] = val
flow.load_variables(new_var_dict)
res = mixed_model()
test_case.assertTrue(
np.allclose(
res,
var_dict_from_model1["x"].numpy() +
var_dict_from_model2["x"].numpy(),
))
def _TestAssignmentBetweenMemory(test_case, dtype):
refresh_session()
model = get_checkpoint_ready_model(get_simple_model, dtype)
all_vars = flow.get_all_variables()
flow.load_variables({"x": all_vars["z"]})
flow_res = model()
np_res = all_vars["z"].numpy() * 2 + all_vars["y"].numpy()
test_case.assertTrue(np.allclose(flow_res, np_res))
def main():
flow.load_variables(flow.checkpoint.get("./mlp_models_1"))
(train_images, train_labels), (test_images, test_labels) = flow.data.load_mnist(
BATCH_SIZE
)
for epoch in range(1):
for i, (images, labels) in enumerate(zip(test_images, test_labels)):
eval_job(images, labels)(acc)
print("accuracy: {0:.1f}%".format(g_correct * 100 / g_total))
def main(filename):
flow.load_variables(flow.checkpoint.get(cfg.TEST.WEIGHT_FILE))
image = cv2.imread(filename)
bboxes = predict(image)
image = utils.draw_bbox(image, bboxes, [
'car',
])
image = cv2.cvtColor(image, cv2.COLOR_BGR2RGB)
image = Image.fromarray(image)
image.show()
def main():
if len(sys.argv) != 2:
usage()
return
flow.load_variables(flow.checkpoint.get("./lenet_models_1"))
image = load_image(sys.argv[1])
logits = test_job(image)
prediction = np.argmax(logits, 1)
print("prediction: {}".format(prediction[0]))
def main():
if len(sys.argv) != 2:
usage()
return
flow.load_variables(flow.checkpoint.get("./lenet_models_1"))
image = load_image(sys.argv[1])
logits = eval_job(image, np.zeros((1, )).astype(np.int32))
prediction = np.argmax(logits, 1)
print("prediction: {}".format(prediction[0]))
def test_style_model(self):
init_env()
input_image = load_image(self.INPUT_IMAGE_FILE)
image_height, image_width = input_image.shape[2:]
style_transfer = make_style_transfer(image_height, image_width)
flow.load_variables(flow.checkpoint.get(self.CHECKPOINT_DIR))
# save
saved_model_path = "style_models"
model_version = 1
saved_model_version_dir = os.path.join(saved_model_path, str(model_version))
if not os.path.exists(saved_model_version_dir):
saved_model_builder = (
flow.saved_model.ModelBuilder(saved_model_path)
.ModelName("style_transfer")
.Version(model_version)
)
saved_model_builder.AddFunction(style_transfer).Finish()
saved_model_builder.Save()
flow.clear_default_session()
# load
sess = flow.serving.InferenceSession()
sess.load_saved_model(saved_model_path)
sess.launch()
job_names = sess.list_jobs()
print("job names:", job_names)
input_names = sess.list_inputs()
print("input names:", input_names)
for input_name in input_names:
print(
'input "{}" info: {}'.format(
input_name, sess.input_info(input_name, job_names[0])
)
)
output_names = sess.list_outputs()
print("output names:", output_names)
for output_name in output_names:
print(
'input "{}" info: {}'.format(
output_name, sess.output_info(output_name, job_names[0])
)
)
input_dict = {input_names[0]: input_image}
outputs = sess.run(style_transfer.__name__, **input_dict)
if self.OUTPUT_IMAGE_FILE is not None:
cv2.imwrite(self.OUTPUT_IMAGE_FILE, recover_image(outputs[0]))
print("write styled output image to", self.OUTPUT_IMAGE_FILE)
sess.close()
def train(args):
util.init_env(args)
util.init_config(args)
gpt2_trainer = make_gpt2_train_func(args)
snapshot = None
iteration = 0
if args.model_save_dir is not None:
snapshot = util.Snapshot(args.log_dir, args.model_save_dir)
if args.model_load_dir is not None:
print(f"Loading model from {args.model_load_dir}")
var_dict = flow.checkpoint.get(args.model_load_dir)
flow.load_variables(var_dict)
train_step_variable_name = f"System-Train-TrainStep-{gpt2_trainer.__name__}"
if train_step_variable_name in var_dict:
iteration = var_dict[train_step_variable_name].numpy().item()
print("Loading dataset...")
enc = get_encoder(args)
chunks = load_dataset(enc,
args.dataset,
args.combine,
encoding=args.encoding)
data_sampler = Sampler(chunks, seed=1)
print("dataset has", data_sampler.total_size, "tokens")
metric = util.Metric(
desc="train",
print_steps=args.loss_print_every_n_iter,
batch_size=args.batch_size,
keys=["loss"],
print_format=args.metric_print_format,
)
print("Training...")
try:
while iteration < args.iter_num:
b = data_sampler.sample_batch(args.batch_size, args.seq_len)
gpt2_trainer(b).async_get(metric.metric_cb(iteration))
if (snapshot is not None and args.model_save_every_n_iter > 0
and (iteration + 1) % args.model_save_every_n_iter == 0):
snapshot.save(f"iter{iteration+1}_snapshot")
iteration += 1
if snapshot is not None and args.save_last_snapshot:
snapshot.save("last_snapshot")
except KeyboardInterrupt:
print("interrupted")
def _TestPartiallyLoadNumpy(test_case, dtype):
refresh_session()
model = get_checkpoint_ready_model(get_add_and_reduce_mean_model, dtype)
var_x = flow.get_all_variables()["x"]
var_y_value_before_loading = flow.get_all_variables()["y"].numpy()
new_val_np = np.random.random(var_x.shape).astype(np.float32)
flow.load_variables({"x": new_val_np})
var_y_value_after_loading = flow.get_all_variables()["y"].numpy()
flow_res = model()
np_res = (var_y_value_after_loading + new_val_np).mean()
test_case.assertTrue(np.allclose(flow_res, np_res))
test_case.assertTrue(
np.array_equal(var_y_value_before_loading, var_y_value_after_loading))
def set_moving_max_min_value():
max_key, min_key = None, None
keys = flow.get_all_variables().keys()
for key in keys:
if max_key != "" and min_key != "":
break
if key[-3:] == "max":
max_key = key
if key[-3:] == "min":
min_key = key
if max_key is not None and min_key is not None:
flow.load_variables({
max_key: np.array([0.5]).astype(np.float32),
min_key: np.array([-0.2]).astype(np.float32),
})
def _numpy_initializer_for_determining(tensor):
assert not tensor.is_determined
undetermined_tensor = tensor._undetermined_tensor
numpy_data = undetermined_tensor.numpy_data
assert numpy_data is not None
if undetermined_tensor.is_consistent:
variable_name = id_util.UniqueStr("tensor_")
@global_function_or_identity()
def set_numpy_data():
with tensor._placement_scope():
flow.get_variable(
name=variable_name,
shape=tuple(undetermined_tensor.shape),
dtype=undetermined_tensor.dtype,
initializer=undetermined_tensor.data_initializer,
)
set_numpy_data()
flow.load_variables({variable_name: numpy_data})
blob = flow.get_all_variables()[variable_name]
determined_tensor = oneflow._oneflow_internal.ConsistentTensor(
undetermined_tensor.shape,
undetermined_tensor.dtype,
undetermined_tensor.sbp,
undetermined_tensor.placement,
undetermined_tensor.is_lazy,
undetermined_tensor.requires_grad,
True,
undetermined_tensor.retain_grad,
)
determined_tensor._set_blob_object(blob.blob_object)
else:
determined_tensor = oneflow._oneflow_internal.LocalTensor(
undetermined_tensor.shape,
undetermined_tensor.dtype,
undetermined_tensor.device,
undetermined_tensor.is_lazy,
undetermined_tensor.requires_grad,
True,
undetermined_tensor.retain_grad,
)
_copy_from_numpy_to_eager_local_tensor(determined_tensor, numpy_data)
return determined_tensor
def _TestResumeTraining(test_case):
with tempfile.TemporaryDirectory() as save_dir:
refresh_session()
model = get_checkpoint_ready_model(get_simple_momentum_training_model,
flow.float32)
model()
flow.checkpoint.save(save_dir)
model()
w1 = flow.get_all_variables()["w"].numpy()
refresh_session()
model = get_checkpoint_ready_model(get_simple_momentum_training_model,
flow.float32)
flow.load_variables(flow.checkpoint.get(save_dir))
model()
w2 = flow.get_all_variables()["w"].numpy()
test_case.assertTrue(np.array_equal(w1, w2))
def _TestRoundTrip(test_case, model_getter, dtype):
"""
Save weights by new model io, load weights by new model io,
and check the equality.
"""
with tempfile.TemporaryDirectory() as save_dir:
refresh_session()
large1 = get_checkpoint_ready_model(model_getter, dtype)
flow.checkpoint.save(save_dir)
res1 = large1()
refresh_session()
large2 = get_checkpoint_ready_model(model_getter, dtype)
vars_in_file = flow.checkpoint.get(save_dir)
flow.load_variables(vars_in_file)
res2 = large2()
test_case.assertTrue(np.array_equal(res1, res2))
def _initialized_job(
shape=None,
dtype=None,
device=None,
requires_grad=None,
retain_grad=None,
is_lazy=False,
numpy_data=None,
):
assert numpy_data is not None
variable_name = id_util.UniqueStr("tensor_")
@global_function_or_identity()
def set_data():
flow.get_variable(
name=variable_name,
shape=tuple(shape),
dtype=dtype,
initializer=flow.zeros_initializer(dtype=dtype),
)
if not is_lazy:
set_data()
flow.load_variables({variable_name: numpy_data})
blob = flow.get_all_variables()[variable_name]
determined_tensor = oneflow_api.LocalTensor(
shape,
dtype,
device,
is_lazy,
requires_grad,
True,
retain_grad,
)
determined_tensor._set_blob_object(blob.blob_object)
return determined_tensor
def load_checkpoint(self):
flow.load_variables(flow.checkpoint.get(self.args.model_load_dir))
def main(args):
global CONSOLE_ARGUMENTS
CONSOLE_ARGUMENTS = args
flow.env.init()
@flow.global_function("train", get_config())
def TrainNet(
image: tp.Numpy.Placeholder((1, 3, CONSOLE_ARGUMENTS.train_image_size, CONSOLE_ARGUMENTS.train_image_size), dtype = flow.float32),
mean: tp.Numpy.Placeholder((1, 3, 1, 1), dtype = flow.float32),
std: tp.Numpy.Placeholder((1, 3, 1, 1), dtype = flow.float32),
style_image_relu1_2: tp.Numpy.Placeholder((1, 64, CONSOLE_ARGUMENTS.train_image_size, CONSOLE_ARGUMENTS.train_image_size), dtype = flow.float32),
style_image_relu2_2: tp.Numpy.Placeholder((1, 128, CONSOLE_ARGUMENTS.train_image_size // 2, CONSOLE_ARGUMENTS.train_image_size // 2), dtype = flow.float32),
style_image_relu3_3: tp.Numpy.Placeholder((1, 256, CONSOLE_ARGUMENTS.train_image_size // 4, CONSOLE_ARGUMENTS.train_image_size // 4), dtype = flow.float32),
style_image_relu4_3: tp.Numpy.Placeholder((1, 512, CONSOLE_ARGUMENTS.train_image_size // 8, CONSOLE_ARGUMENTS.train_image_size // 8), dtype = flow.float32),
):
style_out = style_model.styleNet(image, trainable = True)
image_norm = (image - mean) / std
org_content_relu2_2 = vgg16_model.vgg16bn_content_layer(image_norm, trainable = False, training = False)
style_out_norm = (style_out - mean) / std
style_out_relu1_2, style_out_relu2_2, style_out_relu3_3, style_out_relu4_3 = vgg16_model.vgg16bn_style_layer(style_out_norm, trainable = False, training = False)
# compute mean square error loss
content_loss = style_model.mse_loss(org_content_relu2_2 - style_out_relu2_2)
style_loss = style_model.mse_loss(style_model.gram_matrix(style_out_relu1_2) - style_model.gram_matrix(style_image_relu1_2)) \
+ style_model.mse_loss(style_model.gram_matrix(style_out_relu2_2) - style_model.gram_matrix(style_image_relu2_2)) \
+ style_model.mse_loss(style_model.gram_matrix(style_out_relu3_3) - style_model.gram_matrix(style_image_relu3_3)) \
+ style_model.mse_loss(style_model.gram_matrix(style_out_relu4_3) - style_model.gram_matrix(style_image_relu4_3))
loss = content_loss * CONSOLE_ARGUMENTS.content_weight + style_loss * CONSOLE_ARGUMENTS.style_weight
flow.optimizer.Adam(flow.optimizer.PiecewiseConstantScheduler([], [CONSOLE_ARGUMENTS.learning_rate])).minimize(loss)
return style_out, loss
@flow.global_function("predict", get_config())
def getVgg16MiddleLayers(
style_image: tp.Numpy.Placeholder((1, 3, CONSOLE_ARGUMENTS.train_image_size, CONSOLE_ARGUMENTS.train_image_size), dtype = flow.float32),
mean: tp.Numpy.Placeholder((1, 3, 1, 1), dtype = flow.float32),
std: tp.Numpy.Placeholder((1, 3, 1, 1), dtype = flow.float32)):
style_image = (style_image - mean) / std
style_out_relu1_2, style_out_relu2_2, style_out_relu3_3, style_out_relu4_3 = vgg16_model.vgg16bn_style_layer(style_image, trainable = False, training = False)
return style_out_relu1_2, style_out_relu2_2, style_out_relu3_3, style_out_relu4_3
vars_in_file = flow.checkpoint.get(CONSOLE_ARGUMENTS.model_load_dir)
flow.load_variables(vars_in_file)
mean_nd = np.array(float_list(CONSOLE_ARGUMENTS.rgb_mean)).reshape((1, 3, 1, 1)).astype(np.float32)
std_nd = np.array(float_list(CONSOLE_ARGUMENTS.rgb_std)).reshape((1, 3, 1, 1)).astype(np.float32)
# prepare style image vgg16 middle layer outputs
style_image = load_image(CONSOLE_ARGUMENTS.style_image_path)
style_image_recover = recover_image(style_image)
style_image_relu1_2, style_image_relu2_2, style_image_relu3_3, style_image_relu4_3 = \
getVgg16MiddleLayers(style_image, mean_nd, std_nd).get()
style_image_relu1_2 = style_image_relu1_2.numpy()
style_image_relu2_2 = style_image_relu2_2.numpy()
style_image_relu3_3 = style_image_relu3_3.numpy()
style_image_relu4_3 = style_image_relu4_3.numpy()
train_images = os.listdir(CONSOLE_ARGUMENTS.dataset_path)
random.shuffle(train_images)
images_num = len(train_images)
print("dataset size: %d" % images_num)
for e in range(CONSOLE_ARGUMENTS.train_epoch):
for i in range(images_num):
image = load_image("%s/%s" % (CONSOLE_ARGUMENTS.dataset_path, train_images[i]))
style_out, loss = TrainNet(image, mean_nd, std_nd, style_image_relu1_2, style_image_relu2_2, style_image_relu3_3, style_image_relu4_3).get()
if i % 100 == 0:
image_recover = recover_image(image)
style_out_recover = recover_image(style_out.numpy())
result = np.concatenate((style_image_recover, image_recover), axis=1)
result = np.concatenate((result, style_out_recover), axis=1)
cv2.imwrite(CONSOLE_ARGUMENTS.save_tmp_image_path, result)
cur_loss = loss.numpy().mean()
flow.checkpoint.save("%s/lr_%f_cw_%f_sw_%f_epoch_%d_iter_%d_loss_%f" % \
(CONSOLE_ARGUMENTS.model_save_dir, CONSOLE_ARGUMENTS.learning_rate, CONSOLE_ARGUMENTS.content_weight, CONSOLE_ARGUMENTS.style_weight, e, i, cur_loss))
print("epoch: %d, iter: %d, loss : %f" % (e, i, cur_loss))
def test_alexnet(test_case, batch_size=DEFAULT_BATCH_SIZE, num_batchs=6):
init_env()
alexnet_infer, input_lbns, output_lbns = make_alexnet_infer_func(
batch_size, (DEFAULT_IMAGE_SIZE, DEFAULT_IMAGE_SIZE, 3))
flow.load_variables(flow.checkpoint.get(DEFAULT_CHECKPOINT_DIR))
# save model
saved_model_path = "alexnet_models"
model_name = "alexnet"
model_version = 1
model_version_path = os.path.join(saved_model_path, str(model_version))
if os.path.exists(saved_model_path) and os.path.isdir(
saved_model_path):
print("WARNING: The model version path '{}' already exist"
", old version directory will be removed".format(
model_version_path))
shutil.rmtree(saved_model_path)
saved_model_builder = flow.saved_model.ModelBuilder(saved_model_path)
signature_builder = (saved_model_builder.ModelName(model_name).Version(
model_version).AddFunction(alexnet_infer).AddSignature("regress"))
for input_name, lbn in input_lbns.items():
signature_builder.Input(input_name, lbn)
for output_name, lbn in output_lbns.items():
signature_builder.Output(output_name, lbn)
saved_model_builder.Save()
# test data
new_batch_size = int(batch_size / 2)
dataset = ImageNetRecordDataset(
batch_size=new_batch_size,
image_resize_size=DEFAULT_IMAGE_SIZE,
data_format="NHWC",
)
image_list, label_list = dataset.load_batchs(num_batchs)
assert image_list[0].shape[0] == new_batch_size
image_size = tuple(image_list[0].shape[1:])
flow.clear_default_session()
alexnet_infer, _, _ = make_alexnet_infer_func(new_batch_size,
image_size)
flow.load_variables(flow.checkpoint.get(DEFAULT_CHECKPOINT_DIR))
print("alexnet inference result:")
origin_outputs = []
for i, (image, label) in enumerate(zip(image_list, label_list)):
output = alexnet_infer(image, label)
# origin_outputs.append(output.item())
# print("iter#{:<6} output:".format(i), output.item())
origin_outputs.append(output)
print("iter#{:<6} output:".format(i), output)
origin_outputs = np.array(origin_outputs, dtype=np.float32)
# load model and run
flow.clear_default_session()
model_meta_file_path = os.path.join(saved_model_path,
str(model_version),
"saved_model.prototxt")
saved_model_proto = load_saved_model(model_meta_file_path)
sess = flow.serving.InferenceSession()
checkpoint_path = os.path.join(saved_model_path, str(model_version),
saved_model_proto.checkpoint_dir)
sess.set_checkpoint_path(checkpoint_path)
graph_name = saved_model_proto.default_graph_name
graph_def = saved_model_proto.graphs[graph_name]
signature_def = graph_def.signatures[graph_def.default_signature_name]
with sess.open(graph_name, signature_def, new_batch_size):
sess.compile(graph_def.op_list)
# sess.print_job_set()
sess.launch()
job_name = sess.list_jobs()[0]
input_names = sess.list_inputs()
print("input names:", input_names)
for input_name in input_names:
print('input "{}" info: {}'.format(
input_name, sess.input_info(input_name, job_name)))
output_names = sess.list_outputs()
print("output names:", output_names)
for output_name in output_names:
print('output "{}" info: {}'.format(
output_name, sess.output_info(output_name, job_name)))
print("load saved alexnet and inference result:")
print_input_info = False
cmp_outputs = []
for i, (image, label) in enumerate(zip(image_list, label_list)):
if print_input_info:
print("image shape: {}, dtype: {}".format(
image.shape, image.dtype))
print("label shape: {}, dtype: {}, data: {}".format(
label.shape, label.dtype, label))
if i > 1:
print((image - image_list[i - 1]).mean())
outputs = sess.run(alexnet_infer.__name__,
image=image,
label=label)
# cmp_outputs.append(outputs[0].item())
# print("iter#{:<6} output:".format(i), outputs[0].item())
cmp_outputs.append(outputs[0])
print("iter#{:<6} output:".format(i), outputs[0])
cmp_outputs = np.array(cmp_outputs, dtype=np.float32)
test_case.assertTrue(np.allclose(origin_outputs, cmp_outputs))
sess.close()
def load_checkpoint(self, model_path):
flow.load_variables(flow.checkpoint.get(model_path))
model = Yolov3_tiny(cfg, trainable=False)
@flow.global_function(type="predict", function_config=func_config)
def test_job(images: test_images, anchors_s: anchors_s, anchors_l: anchors_l) \
-> tp.Numpy:
pred = model.predict(images, anchors_s, anchors_l)
return pred
anchors = np.array(utils.get_anchors(cfg.YOLO.ANCHORS))
anchors[0, ...] /= cfg.YOLO.STRIDES[0]
anchors[1, ...] /= cfg.YOLO.STRIDES[1]
flow.load_variables(flow.checkpoint.get(cfg.TEST.WEIGHT_FILE))
def predict(original_image):
'''
:param original_image: [H, W, 3]
:return: (xmin, ymin, xmax, ymax, score, class)
'''
image = utils.image_preporcess(np.copy(original_image),
[cfg.TEST.INPUT_SIZE, cfg.TEST.INPUT_SIZE])
image = image[np.newaxis, ...]
image_ = np.transpose(image, [0, 3, 1, 2])
image_ = np.copy(image_, order='C')
pred = test_job(image_, anchors[0], anchors[1])[0, ...]
def test_insightface(self):
init_env()
# test data
print("Get data from FaceEmoreRecordDataset")
dataset = FaceEmoreRecordDataset(
data_dir=self.DATA_DIR,
num_data_parts=self.NUM_DATA_PARTS,
batch_size=self.BATCH_SIZE,
image_width=self.IMAGE_SIZE,
image_height=self.IMAGE_SIZE,
data_format="NCHW",
)
image_list, issame_list = dataset.load_batchs(self.NUM_ITER)
# define inference function
print("Define inference function for insightface")
infer_fn = make_insightface_resnet100_func(self.BATCH_SIZE,
self.IMAGE_SIZE,
self.IMAGE_SIZE)
print("Load variables for insightface model")
flow.load_variables(flow.checkpoint.get(self.MODEL_DIR))
# call inference function to generate compare result
print("Call inference function directly")
features = []
for i, image in enumerate(image_list):
feature = infer_fn(image)
features.append(feature)
# save model
print("Save model for insightface")
saved_model_path = "insightface_models"
model_version = 1
model_version_path = os.path.join(saved_model_path, str(model_version))
if os.path.exists(model_version_path) and os.path.isdir(
model_version_path):
print("WARNING: The model version path '{}' already exist"
", old version directory will be removed".format(
model_version_path))
shutil.rmtree(model_version_path)
saved_model_builder = (flow.saved_model.ModelBuilder(
saved_model_path).ModelName("insightface").Version(model_version))
saved_model_builder.AddFunction(infer_fn).Finish()
saved_model_builder.Save()
flow.clear_default_session()
# load model and run
print("InferenceSession load model")
flow.clear_default_session()
sess = flow.serving.InferenceSession()
sess.load_saved_model(saved_model_path)
sess.launch()
job_name = sess.list_jobs()[0]
input_names = sess.list_inputs()
print("input names:", input_names)
for input_name in input_names:
print('input "{}" info: {}'.format(
input_name, sess.input_info(input_name, job_name)))
print("Run model and compare ")
for i, (image, feature) in enumerate(zip(image_list, features)):
input_dict = {input_names[0]: image}
infer_result = sess.run(job_name, **input_dict)
self.assertTrue(np.allclose(infer_result, feature))
sess.close()
def main(args):
cfg = get_config(args.config)
cfg.device_num_per_node = args.device_num_per_node
cfg.total_batch_size = cfg.batch_size * cfg.device_num_per_node * cfg.num_nodes
cfg.steps_per_epoch = math.ceil(cfg.num_image / cfg.total_batch_size)
cfg.total_step = cfg.num_epoch * cfg.steps_per_epoch
cfg.lr_steps = (np.array(cfg.decay_epoch) * cfg.steps_per_epoch).tolist()
lr_scales = [0.1, 0.01, 0.001, 0.0001]
cfg.lr_scales = lr_scales[:len(cfg.lr_steps)]
cfg.output = os.path.join("work_dir", cfg.output, cfg.loss)
world_size = cfg.num_nodes
os.makedirs(cfg.output, exist_ok=True)
log_root = logging.getLogger()
init_logging(log_root, cfg.output)
flow.config.gpu_device_num(cfg.device_num_per_node)
logging.info("gpu num: %d" % cfg.device_num_per_node)
if cfg.num_nodes > 1:
assert cfg.num_nodes <= len(
cfg.node_ips
), "The number of nodes should not be greater than length of node_ips list."
flow.env.ctrl_port(12138)
nodes = []
for ip in cfg.node_ips:
addr_dict = {}
addr_dict["addr"] = ip
nodes.append(addr_dict)
flow.env.machine(nodes)
flow.env.log_dir(cfg.output)
for key, value in cfg.items():
num_space = 35 - len(key)
logging.info(": " + key + " " * num_space + str(value))
train_func = make_train_func(cfg)
val_infer = Validator(cfg)
callback_verification = CallBackVerification(3000, cfg.val_targets,
cfg.eval_ofrecord_path)
callback_logging = CallBackLogging(50, cfg.total_step,
cfg.total_batch_size, world_size, None)
if cfg.resume and os.path.exists(cfg.model_load_dir):
logging.info("Loading model from {}".format(cfg.model_load_dir))
variables = flow.checkpoint.get(cfg.model_load_dir)
flow.load_variables(variables)
start_epoch = 0
global_step = 0
lr = cfg.lr
for epoch in range(start_epoch, cfg.num_epoch):
for steps in range(cfg.steps_per_epoch):
train_func().async_get(
callback_logging.metric_cb(global_step, epoch, lr))
callback_verification(global_step, val_infer.get_symbol_val_fn)
global_step += 1
if epoch in cfg.decay_epoch:
lr *= 0.1
logging.info("lr_steps: %d" % global_step)
logging.info("lr change to %f" % lr)
# snapshot
path = os.path.join(cfg.output, "snapshot_" + str(epoch))
flow.checkpoint.save(path)
logging.info("oneflow Model Saved in '{}'".format(path))
def make_repvgg_infer_func():
input_lbns = {}
output_lbns = {}
@flow.global_function("predict", function_config=func_config)
def repvgg_inference(image: tp.Numpy.Placeholder(shape=(1, 1, 28,
28))) -> tp.Numpy:
input_lbns["image"] = image.logical_blob_name
output = Lenet(image)
output_lbns["output"] = output.logical_blob_name
return output
return repvgg_inference, input_lbns, output_lbns
if __name__ == "__main__":
repvgg_infer, input_lbns, output_lbns = make_repvgg_infer_func()
flow.load_variables(flow.checkpoint.get("./lenet_models"))
x = np.ones(shape=(1, 1, 28, 28))
original_out = repvgg_infer(x)
model_builder = flow.saved_model.ModelBuilder("./output")
signature_builder = (model_builder.ModelName("Lenet").Version(
1).AddFunction(repvgg_infer).AddSignature("regress"))
for input_name, lbn in input_lbns.items():
signature_builder.Input(input_name, lbn)
for output_name, lbn in output_lbns.items():
signature_builder.Output(output_name, lbn)
model_builder.Save(False)
def train(self, epochs):
# download data npy
train_hr_data_path = os.path.join(
self.data_dir, "{}_{}hr_imgs.npy".format("train", self.hr_size))
train_lr_data_path = os.path.join(
self.data_dir, "{}_{}lr_imgs.npy".format("train", self.lr_size))
val_hr_data_path = os.path.join(
self.data_dir, "{}_{}hr_imgs.npy".format("val", self.hr_size))
val_lr_data_path = os.path.join(
self.data_dir, "{}_{}lr_imgs.npy".format("val", self.lr_size))
train_hr_data = np.load(train_hr_data_path)
train_lr_data = np.load(train_lr_data_path)
val_hr_data = np.load(val_hr_data_path)
val_lr_data = np.load(val_lr_data_path)
assert train_hr_data.shape == (
16700, 3, self.hr_size,
self.hr_size), "The shape of train_hr_data is {}".format(
train_hr_data.shape)
assert val_lr_data.shape == (
425, 3, self.lr_size,
self.lr_size), "The shape of val_lr_data is {}".format(
val_lr_data.shape)
# save loss
G_l2_loss = []
G_gan_loss = []
G_perceptual_loss = []
G_tv_loss = []
G_total_loss = []
D_total_loss = []
Val_l2_error = []
Val_ssim = []
Val_psnr = []
# config
func_config = flow.FunctionConfig()
func_config.default_data_type(flow.float)
flow.config.gpu_device_num(self.gpu_num_per_node)
# train config
lr_scheduler = flow.optimizer.PiecewiseConstantScheduler([], [self.lr])
@flow.global_function(type="predict", function_config=func_config)
def eval_generator(input: tp.Numpy.Placeholder(
(self.batch_size, 3, self.lr_size, self.lr_size))) -> tp.Numpy:
g_out = self.Generator(input, trainable=False)
return g_out
@flow.global_function(type="train", function_config=func_config)
def train_generator(input: tp.Numpy.Placeholder(
(self.batch_size, 3, self.lr_size,
self.lr_size)), target: tp.Numpy.Placeholder(
(self.batch_size, 3, self.hr_size,
self.hr_size))) -> Tuple[tp.Numpy, tp.Numpy, tp.Numpy,
tp.Numpy, tp.Numpy, tp.Numpy]:
g_out = self.Generator(input, trainable=True)
g_logits = self.Discriminator(g_out, trainable=False)
# Adversarial Loss
g_gan_loss = 0.001 * flow.math.reduce_mean(1 - g_logits)
# Image Loss
g_l2_loss = self.mseloss(g_out, target)
# TV Loss
g_tv_loss = self.total_variance_loss(g_out, weight=2e-8)
# Perceptual loss
def perceptual_loss(fake, real, weight=1.0):
fake_feature = self.vgg16bn(fake, trainable=False)
real_feature = self.vgg16bn(real, trainable=False, reuse=True)
return self.mseloss(fake_feature, real_feature, weight=weight)
g_perceptual_loss = perceptual_loss(g_out, target, weight=0.006)
g_total_loss = g_l2_loss + g_gan_loss + g_perceptual_loss + g_tv_loss
flow.optimizer.Adam(lr_scheduler, beta1=0.5,
beta2=0.999).minimize(g_total_loss)
return g_l2_loss, g_gan_loss, g_perceptual_loss, g_tv_loss, g_total_loss, g_out
@flow.global_function(type="train", function_config=func_config)
def train_discriminator(input: tp.Numpy.Placeholder(
(self.batch_size, 3, self.lr_size, self.lr_size)),
target: tp.Numpy.Placeholder(
(self.batch_size, 3, self.hr_size,
self.hr_size))) -> tp.Numpy:
g_out = self.Generator(input, trainable=False)
g_logits = self.Discriminator(g_out, trainable=True)
d_logits = self.Discriminator(target, trainable=True, reuse=True)
d_loss = 1 - flow.math.reduce_mean(d_logits - g_logits)
flow.optimizer.Adam(lr_scheduler, beta1=0.5,
beta2=0.999).minimize(d_loss)
return d_loss
# load trained weight of vgg16bn and initialize automatically GAN model
flow.load_variables(flow.checkpoint.get(self.vgg_path))
# trained weights of vgg need to be changed, because vgg is used twice like Discriminator. Please use weights in of_vgg16bn_reuse path to load vgg for perceptual loss.
# flow.checkpoint.save("vgg_checkpoint")
batch_num = len(train_hr_data) // self.batch_size
pre_best, best_psnr = -1, 0
print("****************** start training *****************")
for epoch_idx in range(epochs):
start = time.time()
print("****************** train *****************")
for batch_idx in range(batch_num):
inputs = train_lr_data[batch_idx *
self.batch_size:(batch_idx + 1) *
self.batch_size].astype(np.float32,
order="C")
target = train_hr_data[batch_idx *
self.batch_size:(batch_idx + 1) *
self.batch_size].astype(np.float32,
order="C")
d_loss = train_discriminator(inputs, target)
g_l2_loss, g_gan_loss, g_perceptual_loss, g_tv_loss, g_total_loss, g_out = train_generator(
inputs, target)
d_loss = d_loss.mean()
g_l2_loss = g_l2_loss.mean()
g_gan_loss = g_gan_loss.mean()
g_perceptual_loss = g_perceptual_loss.mean()
g_tv_loss = g_tv_loss.mean()
g_total_loss = g_total_loss.mean()
if (batch_idx + 1) % self.print_interval == 0:
print(
"{}th epoch, {}th batch, g_l2_loss:{}, g_gan_loss:{}, g_perceptual_loss:{}, g_tv_loss:{}, gloss:{}, dloss:{} "
.format(epoch_idx + 1, batch_idx + 1, g_l2_loss,
g_gan_loss, g_perceptual_loss, g_tv_loss,
g_total_loss, d_loss))
G_l2_loss.append(g_l2_loss)
G_gan_loss.append(g_gan_loss)
G_perceptual_loss.append(g_perceptual_loss)
G_tv_loss.append(g_tv_loss)
G_total_loss.append(g_total_loss)
D_total_loss.append(d_loss)
print("Time for epoch {} is {} sec.".format(
epoch_idx + 1,
time.time() - start))
if (epoch_idx + 1) % 1 == 0:
# save train images
# self.save_images(g_out, inputs, target, epoch_idx, name="train")
# save val images, trainable = False
# and calculate MSE, SSIMs, SSIM, PSNR
val_l2_error, val_ssim, val_psnr = 0, 0, 0
val_batch_num = len(val_hr_data) // self.batch_size
for val_batch_idx in range(val_batch_num):
val_inputs = val_lr_data[val_batch_idx *
self.batch_size:(val_batch_idx +
1) *
self.batch_size].astype(
np.float32, order="C")
val_target = val_hr_data[val_batch_idx *
self.batch_size:(val_batch_idx +
1) *
self.batch_size].astype(
np.float32, order="C")
val_g_out = eval_generator(val_inputs)
val_l2_error += (np.square(val_g_out - val_target).mean())
val_ssim += self.ssim(val_target.transpose(0, 2, 3, 1),
val_g_out.transpose(0, 2, 3, 1))
# val_ssims += (pytorch_ssim.ssim(val_g_out, val_target, oneflow=True).item())
val_psnr += self.psnr(val_target.transpose(0, 2, 3, 1),
val_g_out.transpose(0, 2, 3, 1))
# save val images
self.save_images(val_g_out,
val_inputs,
val_target,
epoch_idx,
name="val")
val_l2_error = val_l2_error / val_batch_num
val_ssim = val_ssim / val_batch_num
val_psnr = val_psnr / val_batch_num
# val_psnr = 10 * np.log10(1 / val_l2_error)
Val_l2_error.append(val_l2_error)
Val_ssim.append(val_ssim)
Val_psnr.append(val_psnr)
print("****************** evalute *****************")
print(
"{}th epoch, {}th batch, val_l2_error:{}, val_ssim:{}, val_psnr:{}."
.format(epoch_idx + 1, batch_idx + 1, val_l2_error,
val_ssim, val_psnr))
if epoch_idx + 1 > 50 and val_psnr > best_psnr:
best_psnr = val_psnr
if pre_best != -1:
# delete the previous best checkpoint
print(
"delete the previous best {}th epoch model".format(
pre_best))
shutil.rmtree(
os.path.join(self.checkpoint_path,
"{}th_epoch".format(pre_best)))
# save parameters
flow.checkpoint.save(
os.path.join(self.checkpoint_path,
"{}th_epoch".format(epoch_idx + 1)))
pre_best = epoch_idx + 1
print("save the best {}th epoch model at {}.".format(
epoch_idx + 1,
str(datetime.now().strftime("%Y-%m-%d-%H:%M:%S"))))
# save train loss and val error to plot
np.save(
os.path.join(self.loss_path, 'G_l2_loss_{}.npy'.format(epochs)),
G_l2_loss)
np.save(
os.path.join(self.loss_path, 'G_gan_loss_{}.npy'.format(epochs)),
G_gan_loss)
np.save(
os.path.join(self.loss_path,
'G_perceptual_loss_{}.npy'.format(epochs)),
G_perceptual_loss)
np.save(
os.path.join(self.loss_path, 'G_tv_loss_{}.npy'.format(epochs)),
G_tv_loss)
np.save(
os.path.join(self.loss_path, 'G_total_loss_{}.npy'.format(epochs)),
G_total_loss)
np.save(
os.path.join(self.loss_path, 'D_total_loss_{}.npy'.format(epochs)),
D_total_loss)
np.save(
os.path.join(self.loss_path, 'Val_l2_error_{}.npy'.format(epochs)),
Val_l2_error)
np.save(os.path.join(self.loss_path, 'Val_ssim_{}.npy'.format(epochs)),
Val_ssim)
np.save(os.path.join(self.loss_path, 'Val_psnr_{}.npy'.format(epochs)),
Val_psnr)
print("*************** Train {} done ***************** ".format(
self.path))
def main(args):
flow.config.gpu_device_num(args.device_num_per_node)
print("gpu num: ", args.device_num_per_node)
if not os.path.exists(args.models_root):
os.makedirs(args.models_root)
def IsFileOrNonEmptyDir(path):
if os.path.isfile(path):
return True
if os.path.isdir(path) and len(os.listdir(path)) != 0:
return True
return False
assert not IsFileOrNonEmptyDir(
args.models_root), "Non-empty directory {} already exists!".format(
args.models_root)
prefix = os.path.join(args.models_root,
"%s-%s-%s" % (args.network, args.loss, args.dataset),
"model")
prefix_dir = os.path.dirname(prefix)
print("prefix: ", prefix)
if not os.path.exists(prefix_dir):
os.makedirs(prefix_dir)
default.num_nodes = args.num_nodes
default.node_ips = args.node_ips
if args.num_nodes > 1:
assert args.num_nodes <= len(
args.node_ips
), "The number of nodes should not be greater than length of node_ips list."
flow.env.ctrl_port(12138)
nodes = []
for ip in args.node_ips:
addr_dict = {}
addr_dict["addr"] = ip
nodes.append(addr_dict)
flow.env.machine(nodes)
if config.data_format.upper() != "NCHW" and config.data_format.upper(
) != "NHWC":
raise ValueError("Invalid data format")
flow.env.log_dir(args.log_dir)
train_func = make_train_func(args)
if args.do_validation_while_train:
validator = Validator(args)
if os.path.exists(args.model_load_dir):
assert os.path.abspath(
os.path.dirname(os.path.split(
args.model_load_dir)[0])) != os.path.abspath(
os.path.join(
args.models_root,
args.network + "-" + args.loss + "-" + args.dataset)
), "You should specify a new path to save new models."
print("Loading model from {}".format(args.model_load_dir))
variables = flow.checkpoint.get(args.model_load_dir)
flow.load_variables(variables)
print("num_classes ", config.num_classes)
print("Called with argument: ", args, config)
train_metric = TrainMetric(desc="train",
calculate_batches=args.loss_print_frequency,
batch_size=args.train_batch_size)
lr = args.lr
for step in range(args.total_iter_num):
# train
train_func().async_get(train_metric.metric_cb(step))
# validation
if default.do_validation_while_train and (
step + 1) % args.validation_interval == 0:
for ds in config.val_targets:
issame_list, embeddings_list = validator.do_validation(
dataset=ds)
validation_util.cal_validation_metrics(
embeddings_list,
issame_list,
nrof_folds=args.nrof_folds,
)
if step in args.lr_steps:
lr *= 0.1
print("lr_steps: ", step)
print("lr change to ", lr)
# snapshot
if (step + 1) % args.iter_num_in_snapshot == 0:
path = os.path.join(
prefix_dir,
"snapshot_" + str(step // args.iter_num_in_snapshot))
flow.checkpoint.save(path)
if args.save_last_snapshot is True:
flow.checkpoint.save(os.path.join(prefix_dir, "snapshot_last"))
from model import get_job_function
flow.config.enable_legacy_model_io(False)
def parse_args():
parser = argparse.ArgumentParser()
parser.add_argument("--batch-size", default=100, type=int)
parser.add_argument("--save-name", default="lenet", type=str)
parser.add_argument("--disable-qat", action="store_true")
return parser.parse_args()
if __name__ == "__main__":
args = parse_args()
# precit
data = np.ones((args.batch_size, 1, 28, 28))
predict_job = get_job_function("predict", not args.disable_qat,
args.batch_size)
flow.load_variables(flow.checkpoint.get("./" + args.save_name + "_models"))
print(predict_job(data))
# export
flow.onnx.export(
predict_job,
args.save_name + "_models",
args.save_name + ".onnx",
opset=10,
external_data=False,
)
print("onnx saved.")
name="dense1",
)
dense2 = flow.layers.dense(hidden,
10,
kernel_initializer=initializer,
name="dense2")
dense3 = flow.layers.dense(dense2,
10,
kernel_initializer=initializer,
name="dense3")
loss = flow.nn.sparse_softmax_cross_entropy_with_logits(labels, dense3)
lr_scheduler = flow.optimizer.PiecewiseConstantScheduler([], [0.1])
flow.optimizer.SGD(lr_scheduler, momentum=0).minimize(loss)
return loss
if __name__ == "__main__":
flow.load_variables(flow.checkpoint.get("./mlp_models_1"))
(train_images, train_labels), (test_images,
test_labels) = flow.data.load_mnist(
BATCH_SIZE, BATCH_SIZE)
for i, (images, labels) in enumerate(zip(train_images, train_labels)):
loss = train_job(images, labels)
if i % 20 == 0:
print(loss.mean())
flow.checkpoint.save("./mlp_ext_models_1")
def test_resnet(test_case, batch_size=DEFAULT_BATCH_SIZE, num_batchs=6):
init_env()
# input image format NCHW
image_size = (3, DEFAULT_IMAGE_SIZE, DEFAULT_IMAGE_SIZE)
resnet_infer, input_lbns, output_lbns = make_resnet_infer_func(
batch_size, image_size
)
# resnet inference model parameters
flow.load_variables(flow.checkpoint.get(DEFAULT_CHECKPOINT_DIR))
# test data
dataset = ImageNetRecordDataset(
batch_size=batch_size,
image_resize_size=DEFAULT_IMAGE_SIZE,
data_format="NCHW",
)
image_list, label_list = dataset.load_batchs(num_batchs)
print("resnet inference result:")
origin_outputs = []
for i, (image, label) in enumerate(zip(image_list, label_list)):
output = resnet_infer(image)
arg_max = np.argmax(output, axis=1)
origin_outputs.append(arg_max)
print("iter#{:<6} predict: ".format(i), arg_max, "label: ", label)
origin_outputs = np.array(origin_outputs, dtype=np.float32)
# save model
saved_model_path = "resnet50_models"
model_version = 1
model_version_path = os.path.join(saved_model_path, str(model_version))
if os.path.exists(model_version_path) and os.path.isdir(model_version_path):
print(
"WARNING: The model version path '{}' already exist"
", old version directory will be removed".format(model_version_path)
)
shutil.rmtree(model_version_path)
saved_model_builder = flow.saved_model.ModelBuilder(saved_model_path)
signature_builder = (
saved_model_builder.ModelName("resnet50")
.Version(model_version)
.AddFunction(resnet_infer)
.AddSignature("regress")
)
for input_name, lbn in input_lbns.items():
signature_builder.Input(input_name, lbn)
for output_name, lbn in output_lbns.items():
signature_builder.Output(output_name, lbn)
saved_model_builder.Save()
# load model and run
flow.clear_default_session()
sess = flow.serving.InferenceSession()
sess.load_saved_model(saved_model_path)
# sess.print_job_set()
sess.launch()
input_names = sess.list_inputs()
print("input names:", input_names)
for input_name in input_names:
print('input "{}" info: {}'.format(input_name, sess.input_info(input_name)))
print("load saved resnet and inference result:")
cmp_outputs = []
for i, (image, label) in enumerate(zip(image_list, label_list)):
outputs = sess.run(resnet_infer.__name__, image=image)
arg_max = np.argmax(outputs[0], axis=1)
cmp_outputs.append(arg_max)
print("iter#{:<6} output:".format(i), arg_max, "label: ", label)
cmp_outputs = np.array(cmp_outputs, dtype=np.float32)
test_case.assertTrue(np.allclose(origin_outputs, cmp_outputs))
