def __init__(self,
decay_step,
decay_rate,
stair_case=False,
bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type, decay_step, decay_rate,
stair_case)
def __init__(self,
X,
Y,
model,
criterion,
end_trigger,
batch_size,
optim_method=None,
cores=None,
bigdl_type="float"):
if not optim_method:
optim_methods = {model.name(): SGD()}
elif isinstance(optim_method, OptimMethod):
optim_methods = {model.name(): optim_method}
elif isinstance(optim_method, JavaObject):
optim_methods = {
model.name(): OptimMethod(optim_method, bigdl_type)
}
else:
optim_methods = optim_method
if cores is None:
cores = multiprocessing.cpu_count()
JavaValue.__init__(self, None, bigdl_type,
[JTensor.from_ndarray(X) for X in to_list(X)],
JTensor.from_ndarray(Y), model.value, criterion,
optim_methods, end_trigger, batch_size, cores)
def __init__(self, upper=None, lower=None, bigdl_type="float"):
if upper is not None and lower is not None:
upper = upper + 0.0
lower = lower + 0.0
JavaValue.__init__(self, None, bigdl_type, upper, lower)
else:
JavaValue.__init__(self, None, bigdl_type)
def __init__(self, min, bigdl_type="float"):
"""
Create a MinLoss trigger.
:param min: min loss
"""
JavaValue.__init__(self, None, bigdl_type, min)
def __init__(self, max, bigdl_type="float"):
"""
Create a MaxScore trigger.
:param max: max score
"""
JavaValue.__init__(self, None, bigdl_type, max)
def __init__(self, interval, bigdl_type="float"):
"""
Create a SeveralIteration trigger.
:param interval: interval is the "n" where an action is triggeredevery "n" iterations
"""
JavaValue.__init__(self, None, bigdl_type, interval)
def __init__(self, max_epoch, bigdl_type="float"):
"""
Create a MaxEpoch trigger.
:param max_epoch: max_epoch
"""
JavaValue.__init__(self, None, bigdl_type, max_epoch)
def __init__(self, max, bigdl_type="float"):
"""
Create a MaxIteration trigger.
:param max: max
"""
JavaValue.__init__(self, None, bigdl_type, max)
def __init__(self, k=10, neg_num=100, bigdl_type="float"):
"""
Create NDCG validation method.
:param k: top k
:param neg_num: number of negative items.
"""
JavaValue.__init__(self, None, bigdl_type, k, neg_num)
def __init__(self, first, *other):
"""
Create a Or trigger.
:param first: first Trigger
:param other: other Trigger
"""
JavaValue.__init__(self, None, "float", first, list(other))
def __init__(self, log_dir, app_name, bigdl_type="float"):
"""
Create a TrainSummary. Logs will be saved to log_dir/app_name/train.
:param log_dir: the root dir to store the logs
:param app_name: the application name
"""
JavaValue.__init__(self, None, bigdl_type, log_dir, app_name)
def __init__(self,
monitor,
factor=0.1,
patience=10,
mode="min",
epsilon=1e-4,
cooldown=0,
min_lr=0.0,
bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type, monitor, factor, patience,
mode, epsilon, cooldown, min_lr)
def __init__(self, log_dir, app_name, bigdl_type="float"):
"""
Create a ValidationSummary. Logs will be saved to
log_dir/app_name/train. By default, all ValidationMethod set into
optimizer will be recorded and the recording interval is the same
as trigger of ValidationMethod in the optimizer.
:param log_dir: the root dir to store the logs
:param app_name: the application name
"""
JavaValue.__init__(self, None, bigdl_type, log_dir, app_name)
def __init__(self,
classes,
iou=0.5,
use_voc2007=False,
skip_class=-1,
bigdl_type="float"):
"""
:param classes: the number of classes
:param iou: the IOU threshold
:param use_voc2007: use validation method before voc2010 (i.e. voc2007)
:param skip_class: skip calculation on a specific class (e.g. background)
"""
JavaValue.__init__(self, None, bigdl_type, classes, iou, use_voc2007,
skip_class)
def __init__(self, jvalue, bigdl_type, *args):
if (jvalue):
assert (type(jvalue) == JavaObject)
self.value = jvalue
else:
self.value = callBigDlFunc(bigdl_type,
JavaValue.jvm_class_constructor(self),
*args)
self.bigdl_type = bigdl_type
def __init__(self, image=None, label=None, path=None, bigdl_type="float"):
image_tensor = JTensor.from_ndarray(
image) if image is not None else None
label_tensor = JTensor.from_ndarray(
label) if label is not None else None
self.bigdl_type = bigdl_type
self.value = callBigDlFunc(bigdl_type,
JavaValue.jvm_class_constructor(self),
image_tensor, label_tensor, path)
def __init__(self,
model,
training_rdd,
criterion,
end_trigger,
batch_size,
optim_method=None,
bigdl_type="float"):
"""
Create an optimizer.
:param model: the neural net model
:param training_data: the training dataset
:param criterion: the loss function
:param optim_method: the algorithm to use for optimization,
e.g. SGD, Adagrad, etc. If optim_method is None, the default algorithm is SGD.
:param end_trigger: when to end the optimization
:param batch_size: training batch size
"""
if not optim_method:
optim_methods = {model.name(): SGD()}
elif isinstance(optim_method, OptimMethod):
optim_methods = {model.name(): optim_method}
elif isinstance(optim_method, JavaObject):
optim_methods = {
model.name(): OptimMethod(optim_method, bigdl_type)
}
else:
optim_methods = optim_method
if isinstance(training_rdd, RDD):
JavaValue.__init__(self, None, bigdl_type, model.value,
training_rdd, criterion, optim_methods,
end_trigger, batch_size)
elif isinstance(training_rdd, DataSet):
self.bigdl_type = bigdl_type
self.value = callBigDlFunc(self.bigdl_type,
"createDistriOptimizerFromDataSet",
model.value, training_rdd, criterion,
optim_methods, end_trigger, batch_size)
def __init__(self,
image_list=None,
label_list=None,
jvalue=None,
bigdl_type="float"):
assert jvalue or image_list, "jvalue and image_list cannot be None in the same time"
if jvalue:
self.value = jvalue
else:
# init from image ndarray list and label rdd(optional)
image_tensor_list = map(lambda image: JTensor.from_ndarray(image),
image_list)
label_tensor_list = map(lambda label: JTensor.from_ndarray(label),
label_list) if label_list else None
self.value = callBigDlFunc(bigdl_type,
JavaValue.jvm_class_constructor(self),
image_tensor_list, label_tensor_list)
self.bigdl_type = bigdl_type
def __init__(self, value, bigdl_type="float"):
value = value + 0.0
JavaValue.__init__(self, None, bigdl_type, value)
def __init__(self, mean, stdv, bigdl_type="float"):
mean = mean + 0.0
stdv = stdv + 0.0
JavaValue.__init__(self, None, bigdl_type, mean, stdv)
def __init__(self, power, max_iteration, bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type, power, max_iteration)
def __init__(self, jvalue, bigdl_type, *args):
self.value = jvalue if jvalue else callBigDlFunc(
bigdl_type, JavaValue.jvm_class_constructor(self), *args)
self.bigdl_type = bigdl_type
def __init__(self, metric_name, idx, count_idx):
self.name = metric_name
self.idx = idx
self.count_idx = count_idx
JavaValue.__init__(self, None, "float", metric_name, idx, count_idx)
def __init__(self, val_method, name, output_indices, label_indices):
self.name = name
self.val_method = val_method
JavaValue.__init__(self, None, "float", val_method, name,
output_indices, label_indices)
def __init__(self, bigdl_type="float", *args):
self.value = callBigDlFunc(bigdl_type,
JavaValue.jvm_class_constructor(self),
*args)
def __init__(self, iteration_per_epoch, bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type, iteration_per_epoch)
def __init__(self, k, classes, bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type, k, classes)
def __init__(self, bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type)
def __init__(self, varianceNormAverage=True, bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type, varianceNormAverage)
def __init__(self, step_sizes, gamma, bigdl_type="float"):
JavaValue.__init__(self, None, bigdl_type, step_sizes, gamma)