class OpenvinoEstimatorWrapper(SparkEstimator):
def __init__(self, *, model_path, batch_size=0):
self.node_num, self.core_num = get_node_and_core_number()
self.path = model_path
if batch_size != 0:
self.batch_size = batch_size
else:
import xml.etree.ElementTree as ET
tree = ET.parse(model_path)
root = tree.getroot()
shape_item = root.find('./layers/layer/output/port/dim[1]')
if shape_item is None:
raise ValueError(
"Invalid openVINO IR xml file, please check your model_path"
)
self.batch_size = int(shape_item.text)
self.model = InferenceModel(supported_concurrent_num=self.core_num)
self.model.load_openvino(
model_path=model_path,
weight_path=model_path[:model_path.rindex(".")] + ".bin",
batch_size=batch_size)
def fit(self, data, epochs, **kwargs):
raise NotImplementedError
def predict(self, data, **kwargs):
def predict_transform(dict_data, batch_size):
assert isinstance(dict_data, dict), "each shard should be an dict"
assert "x" in dict_data, "key x should in each shard"
feature_data = dict_data["x"]
if isinstance(feature_data, np.ndarray):
assert feature_data.shape[1] <= batch_size, \
"The batch size of input data (the second dim) should be less than the model " \
"batch size, otherwise some inputs will be ignored."
elif isinstance(feature_data, list):
for elem in feature_data:
assert isinstance(elem, np.ndarray), "Each element in the x list should be " \
"a ndarray, but get " + \
elem.__class__.__name__
assert elem.shape[1] <= batch_size, "The batch size of each input data (the " \
"second dim) should be less than the " \
"model batch size, otherwise some inputs " \
"will be ignored."
else:
raise ValueError(
"x in each shard should be a ndarray or a list of ndarray."
)
return dict_data["x"]
sc = init_nncontext()
if isinstance(data, SparkXShards):
assert sc is not None, "You should pass sc(spark context) if data is a XShards."
from zoo.orca.learn.utils import convert_predict_to_xshard
data = data.transform_shard(predict_transform, self.batch_size)
result_rdd = self.model.distributed_predict(data.rdd, sc)
return convert_predict_to_xshard(result_rdd)
elif isinstance(data, (np.ndarray, list)):
total_core_num = self.core_num * self.node_num
if isinstance(data, np.ndarray):
assert data.shape[1] <= self.batch_size, "The batch size of input data (the " \
"second dim) should be less than the " \
"model batch size, otherwise some " \
"inputs will be ignored."
split_num = min(total_core_num, data.shape[0])
arrays = np.array_split(data, split_num)
data_rdd = sc.parallelize(arrays, numSlices=split_num)
elif isinstance(data, list):
flattened = nest.flatten(data)
data_length = len(flattened[0])
data_to_be_rdd = []
split_num = min(total_core_num, flattened[0].shape[0])
for i in range(split_num):
data_to_be_rdd.append([])
for x in flattened:
assert isinstance(x, np.ndarray), "the data in the data list should be " \
"ndarrays, but get " + \
x.__class__.__name__
assert len(x) == data_length, \
"the ndarrays in data must all have the same size in first dimension" \
", got first ndarray of size {} and another {}".format(data_length, len(x))
assert x.shape[1] <= self.batch_size, "The batch size of each input data (" \
"the second dim) should be less than " \
"the model batch size, otherwise some " \
"inputs will be ignored."
x_parts = np.array_split(x, split_num)
for idx, x_part in enumerate(x_parts):
data_to_be_rdd[idx].append(x_part)
data_to_be_rdd = [
nest.pack_sequence_as(data, shard)
for shard in data_to_be_rdd
]
data_rdd = sc.parallelize(data_to_be_rdd, numSlices=split_num)
result_rdd = self.model.distributed_predict(data_rdd, sc)
result_arr_list = result_rdd.collect()
result_arr = np.concatenate(result_arr_list, axis=0)
return result_arr
else:
raise ValueError(
"Only XShards, a numpy array and a list of numpy arrays are supported "
"as input data, but get " + data.__class__.__name__)
def evaluate(self, data, **kwargs):
raise NotImplementedError
def get_model(self):
raise NotImplementedError
def save(self, model_path):
raise NotImplementedError
def load(self, model_path, batch_size=0):
"""
Load an openVINO model.
:param model_path: String. The file path to the OpenVINO IR xml file.
:param batch_size: Int. Set batch Size, default is 0 (use default batch size).
:return:
"""
self.node_num, self.core_num = get_node_and_core_number()
self.path = model_path
if batch_size != 0:
self.batch_size = batch_size
else:
import xml.etree.ElementTree as ET
tree = ET.parse(model_path)
root = tree.getroot()
shape_item = root.find('./layers/layer/output/port/dim[1]')
if shape_item is None:
raise ValueError(
"Invalid openVINO IR xml file, please check your model_path"
)
self.batch_size = int(shape_item.text)
self.model = InferenceModel(supported_concurrent_num=self.core_num)
self.model.load_openvino(
model_path=model_path,
weight_path=model_path[:model_path.rindex(".")] + ".bin",
batch_size=batch_size)
def set_tensorboard(self, log_dir, app_name):
raise NotImplementedError
def clear_gradient_clipping(self):
raise NotImplementedError
def set_constant_gradient_clipping(self, min, max):
raise NotImplementedError
def set_l2_norm_gradient_clipping(self, clip_norm):
raise NotImplementedError
def get_train_summary(self, tag=None):
raise NotImplementedError
def get_validation_summary(self, tag=None):
raise NotImplementedError
def load_orca_checkpoint(self, path, version):
raise NotImplementedError
def load_latest_orca_checkpoint(self, path):
raise NotImplementedError
class OpenvinoEstimator(SparkEstimator):
def __init__(self, *, model_path, batch_size=0):
self.node_num, self.core_num = get_node_and_core_number()
self.path = model_path
if batch_size != 0:
self.batch_size = batch_size
else:
import xml.etree.ElementTree as ET
tree = ET.parse(model_path)
root = tree.getroot()
shape_item = root.find('./layers/layer/output/port/dim[1]')
if shape_item is None:
raise ValueError(
"Invalid openVINO IR xml file, please check your model_path"
)
self.batch_size = int(shape_item.text)
self.model = InferenceModel(supported_concurrent_num=self.core_num)
self.model.load_openvino_ng(
model_path=model_path,
weight_path=model_path[:model_path.rindex(".")] + ".bin",
batch_size=self.batch_size)
def fit(self,
data,
epochs,
batch_size=32,
feature_cols=None,
label_cols=None,
validation_data=None,
checkpoint_trigger=None):
"""
Fit is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def predict(self, data, feature_cols=None):
"""
Predict input data
:param data: data to be predicted. XShards, Spark DataFrame, numpy array and list of numpy
arrays are supported. If data is XShards, each partition is a dictionary of {'x':
feature}, where feature(label) is a numpy array or a list of numpy arrays.
:param feature_cols: Feature column name(s) of data. Only used when data is a Spark
DataFrame. Default: None.
:return: predicted result.
If the input data is XShards, the predict result is a XShards, each partition
of the XShards is a dictionary of {'prediction': result}, where the result is a
numpy array or a list of numpy arrays.
If the input data is numpy arrays or list of numpy arrays, the predict result is
a numpy array or a list of numpy arrays.
"""
from pyspark.sql import DataFrame
def predict_transform(dict_data, batch_size):
assert isinstance(dict_data, dict), "each shard should be an dict"
assert "x" in dict_data, "key x should in each shard"
feature_data = dict_data["x"]
if isinstance(feature_data, np.ndarray):
assert feature_data.shape[0] <= batch_size, \
"The batch size of input data (the second dim) should be less than the model " \
"batch size, otherwise some inputs will be ignored."
elif isinstance(feature_data, list):
for elem in feature_data:
assert isinstance(elem, np.ndarray), "Each element in the x list should be " \
"a ndarray, but get " + \
elem.__class__.__name__
assert elem.shape[0] <= batch_size, "The batch size of each input data (the " \
"second dim) should be less than the " \
"model batch size, otherwise some inputs " \
"will be ignored."
else:
raise ValueError(
"x in each shard should be a ndarray or a list of ndarray."
)
return feature_data
sc = init_nncontext()
if isinstance(data, DataFrame):
from zoo.orca.learn.utils import dataframe_to_xshards, convert_predict_rdd_to_dataframe
xshards, _ = dataframe_to_xshards(data,
validation_data=None,
feature_cols=feature_cols,
label_cols=None,
mode="predict")
transformed_data = xshards.transform_shard(predict_transform,
self.batch_size)
result_rdd = self.model.distributed_predict(
transformed_data.rdd, sc)
def delete_useless_result(data):
shard, y = data
data_length = len(shard["x"])
return y[:data_length]
result_rdd = xshards.rdd.zip(result_rdd).map(delete_useless_result)
return convert_predict_rdd_to_dataframe(
data, result_rdd.flatMap(lambda data: data))
elif isinstance(data, SparkXShards):
transformed_data = data.transform_shard(predict_transform,
self.batch_size)
result_rdd = self.model.distributed_predict(
transformed_data.rdd, sc)
def update_shard(data):
shard, y = data
data_length = len(shard["x"])
shard["prediction"] = y[:data_length]
return shard
return SparkXShards(data.rdd.zip(result_rdd).map(update_shard))
elif isinstance(data, (np.ndarray, list)):
if isinstance(data, np.ndarray):
split_num = math.ceil(len(data) / self.batch_size)
arrays = np.array_split(data, split_num)
data_length_list = list(map(lambda arr: len(arr), arrays))
data_rdd = sc.parallelize(arrays, numSlices=split_num)
elif isinstance(data, list):
flattened = nest.flatten(data)
data_length = len(flattened[0])
data_to_be_rdd = []
split_num = math.ceil(flattened[0].shape[0] / self.batch_size)
for i in range(split_num):
data_to_be_rdd.append([])
for x in flattened:
assert isinstance(x, np.ndarray), "the data in the data list should be " \
"ndarrays, but get " + \
x.__class__.__name__
assert len(x) == data_length, \
"the ndarrays in data must all have the same size in first dimension" \
", got first ndarray of size {} and another {}".format(data_length, len(x))
x_parts = np.array_split(x, split_num)
for idx, x_part in enumerate(x_parts):
data_to_be_rdd[idx].append(x_part)
data_length_list = list(
map(lambda arr: len(arr), x_part))
data_to_be_rdd = [
nest.pack_sequence_as(data, shard)
for shard in data_to_be_rdd
]
data_rdd = sc.parallelize(data_to_be_rdd, numSlices=split_num)
result_rdd = self.model.distributed_predict(data_rdd, sc)
result_arr_list = result_rdd.collect()
for i in range(0, len(result_arr_list)):
result_arr_list[i] = result_arr_list[i][:data_length_list[i]]
result_arr = np.concatenate(result_arr_list, axis=0)
return result_arr
else:
raise ValueError(
"Only XShards, Spark DataFrame, a numpy array and a list of numpy arr"
"ays are supported as input data, but get " +
data.__class__.__name__)
def evaluate(self,
data,
batch_size=32,
feature_cols=None,
label_cols=None):
"""
Evaluate is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def get_model(self):
"""
Get_model is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def save(self, model_path):
"""
Save is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def load(self, model_path, batch_size=0):
"""
Load an openVINO model.
:param model_path: String. The file path to the OpenVINO IR xml file.
:param batch_size: Int. Set batch Size, default is 0 (use default batch size).
:return:
"""
self.node_num, self.core_num = get_node_and_core_number()
self.path = model_path
if batch_size != 0:
self.batch_size = batch_size
else:
import xml.etree.ElementTree as ET
tree = ET.parse(model_path)
root = tree.getroot()
shape_item = root.find('./layers/layer/output/port/dim[1]')
if shape_item is None:
raise ValueError(
"Invalid openVINO IR xml file, please check your model_path"
)
self.batch_size = int(shape_item.text)
self.model = InferenceModel(supported_concurrent_num=self.core_num)
self.model.load_openvino(
model_path=model_path,
weight_path=model_path[:model_path.rindex(".")] + ".bin",
batch_size=batch_size)
def set_tensorboard(self, log_dir, app_name):
"""
Set_tensorboard is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def clear_gradient_clipping(self):
"""
Clear_gradient_clipping is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def set_constant_gradient_clipping(self, min, max):
"""
Set_constant_gradient_clipping is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def set_l2_norm_gradient_clipping(self, clip_norm):
"""
Set_l2_norm_gradient_clipping is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def get_train_summary(self, tag=None):
"""
Get_train_summary is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def get_validation_summary(self, tag=None):
"""
Get_validation_summary is not supported in OpenVINOEstimator
"""
raise NotImplementedError
def load_orca_checkpoint(self, path, version):
"""
Load_orca_checkpoint is not supported in OpenVINOEstimator
"""
raise NotImplementedError