本文整理汇总了Python中mxnet.initializer.InitDesc方法的典型用法代码示例。如果您正苦于以下问题：Python initializer.InitDesc方法的具体用法？Python initializer.InitDesc怎么用？Python initializer.InitDesc使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类mxnet.initializer的用法示例。
在下文中一共展示了initializer.InitDesc方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: init_params
# 需要导入模块: from mxnet import initializer [as 别名]
# 或者: from mxnet.initializer import InitDesc [as 别名]
def init_params(self, initializer=Uniform(0.01), arg_params=None, aux_params=None,
allow_missing=False, force_init=False, allow_extra=False):
"""Initialize the parameters and auxiliary states.
Parameters
----------
initializer : Initializer
Called to initialize parameters if needed.
arg_params : dict
If not None, should be a dictionary of existing arg_params. Initialization
will be copied from that.
aux_params : dict
If not None, should be a dictionary of existing aux_params. Initialization
will be copied from that.
allow_missing : bool
If true, params could contain missing values, and the initializer will be
called to fill those missing params.
force_init : bool
If true, will force re-initialize even if already initialized.
"""
if self.params_initialized and not force_init:
warnings.warn("Parameters already initialized and force_init=False. "
"init_params call ignored.", stacklevel=2)
return
assert self.binded, 'call bind before initializing the parameters'
def _impl(name, arr, cache):
"""Internal helper for parameter initialization"""
if cache is not None:
if name in cache:
cache_arr = cache[name]
# just in case the cached array is just the target itself
if cache_arr is not arr:
cache_arr.copyto(arr)
else:
if not allow_missing:
raise RuntimeError("%s is not presented" % name)
if initializer != None:
initializer(name, arr)
else:
initializer(name, arr)
attrs = self._symbol.attr_dict()
for name, arr in self._arg_params.items():
desc = InitDesc(name, attrs.get(name, None))
_impl(desc, arr, arg_params)
for name, arr in self._aux_params.items():
desc = InitDesc(name, attrs.get(name, None))
_impl(desc, arr, aux_params)
self.params_initialized = True
self._params_dirty = False
# copy the initialized parameters to devices
self._exec_group.set_params(self._arg_params, self._aux_params) 示例2: init_params
# 需要导入模块: from mxnet import initializer [as 别名]
# 或者: from mxnet.initializer import InitDesc [as 别名]
def init_params(self, initializer=Uniform(0.01), arg_params=None, aux_params=None,
allow_missing=False, force_init=False):
"""Initialize the parameters and auxiliary states.
Parameters
----------
initializer : Initializer
Called to initialize parameters if needed.
arg_params : dict
If not None, should be a dictionary of existing arg_params. Initialization
will be copied from that.
aux_params : dict
If not None, should be a dictionary of existing aux_params. Initialization
will be copied from that.
allow_missing : bool
If true, params could contain missing values, and the initializer will be
called to fill those missing params.
force_init : bool
If true, will force re-initialize even if already initialized.
"""
if self.params_initialized and not force_init:
warnings.warn("Parameters already initialized and force_init=False. "
"init_params call ignored.", stacklevel=2)
return
assert self.binded, 'call bind before initializing the parameters'
def _impl(name, arr, cache):
"""Internal helper for parameter initialization"""
if cache is not None:
if name in cache:
cache_arr = cache[name]
# just in case the cached array is just the target itself
if cache_arr is not arr:
cache_arr.copyto(arr)
else:
if not allow_missing:
raise RuntimeError("%s is not presented" % name)
if initializer != None:
initializer(name, arr)
else:
initializer(name, arr)
attrs = self._symbol.attr_dict()
for name, arr in self._arg_params.items():
desc = InitDesc(name, attrs.get(name, None))
_impl(desc, arr, arg_params)
for name, arr in self._aux_params.items():
desc = InitDesc(name, attrs.get(name, None))
_impl(desc, arr, aux_params)
self.params_initialized = True
self._params_dirty = False
# copy the initialized parameters to devices
self._exec_group.set_params(self._arg_params, self._aux_params) 示例3: init_params
# 需要导入模块: from mxnet import initializer [as 别名]
# 或者: from mxnet.initializer import InitDesc [as 别名]
def init_params(self, initializer=Uniform(0.01), arg_params=None, aux_params=None,
allow_missing=False, force_init=False, allow_extra=False):
"""Initialize the parameters and auxiliary states.
Parameters
----------
initializer : Initializer
Called to initialize parameters if needed.
arg_params : dict
If not None, should be a dictionary of existing arg_params. Initialization
will be copied from that.
aux_params : dict
If not None, should be a dictionary of existing aux_params. Initialization
will be copied from that.
allow_missing : bool
If true, params could contain missing values, and the initializer will be
called to fill those missing params.
force_init : bool
If true, will force re-initialize even if already initialized.
"""
if self.params_initialized and not force_init:
warnings.warn("Parameters already initialized and force_init=False. "
"init_params call ignored.", stacklevel=2)
return
assert self.binded, 'call bind before initializing the parameters'
def _impl(name, arr, cache):
"""Internal helper for parameter initialization"""
if cache is not None:
if name in cache:
cache_arr = cache[name]
# just in case the cached array is just the target itself
if cache_arr is not arr:
cache_arr.copyto(arr)
else:
if not allow_missing:
raise RuntimeError("%s is not presented" % name)
if initializer != None:
initializer(name, arr)
else:
initializer(name, arr)
attrs = self._symbol.attr_dict()
for name, arr in self._arg_params.items():
desc = InitDesc(name, attrs.get(name, None))
_impl(desc, arr, arg_params)
for name, arr in self._aux_params.items():
desc = InitDesc(name, attrs.get(name, None))
_impl(desc, arr, aux_params)
self.params_initialized = True
self._params_dirty = False
# copy the initialized parameters to devices
self._exec_group.set_params(self._arg_params, self._aux_params, allow_extra=allow_extra)