# paddleslim.core package

class `paddleslim.core.``GraphWrapper`(program=None, in_nodes=[], out_nodes=[])

  Bases: `object`

  It is a wrapper of paddle.fluid.framework.IrGraph with some special functions for paddle slim framework.

  Parameters:

  - program (framework.Program) – A program with
  - in_nodes (dict) – A dict to indicate the input nodes of the graph. The key is user-defined and human-readable name. The value is the name of Variable.
  - out_nodes (dict) – A dict to indicate the input nodes of the graph. The key is user-defined and human-readable name. The value is the name of Variable.

  `all_parameters`()

    Get all the parameters in this graph.

    Returns: | A list of VarWrapper instances.
    Return type: | list<VarWrapper>

  `clone`(for_test=False)

    Clone a new graph from current graph.

    Returns: | The wrapper of a new graph.
    Return type: | (GraphWrapper)

  `get_param_by_op`(op)

    Get the parameters used by target operator.

  `infer_shape`()

    Update the groups of convolution layer according to current filters. It is used after loading pruned parameters from file.

  `is_parameter`(var)

    Whether the given variable is parameter.

    Parameters: | var (VarWrapper) – The given varibale.

  `is_persistable`(var)

    Whether the given variable is persistable.

    Parameters: | var (VarWrapper) – The given varibale.

  `next_ops`(op)

    Get all the next operators of target operator.

    Parameters: | op (OpWrapper) – Target operator.
    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `numel_params`()

    Get the number of elements in all parameters.

  `ops`()

    Return all operator nodes included in the graph as a set.

  `pre_ops`(op)

    Get all the previous operators of target operator.

    Parameters: | op (OpWrapper) – Target operator.
    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `program`()

    Get the program in current wrapper.

  `update_groups_of_conv`()
  `update_param_shape`(scope)

    Update the shape of parameters in the graph according to tensors in scope. It is used after loading pruned parameters from file.

  `var`(name)

    Get the variable by variable name.

  `vars`()

    Get all the variables.

class `paddleslim.core.``VarWrapper`(var, graph)

  Bases: `object`

  `inputs`()

    Get all the operators that use this variable as output.

    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `is_parameter`()
  `name`()

    Get the name of the variable.

  `outputs`()

    Get all the operators that use this variable as input.

    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `set_shape`(shape)

    Set the shape of the variable.

  `shape`()

    Get the shape of the varibale.

class `paddleslim.core.``OpWrapper`(op, graph)

  Bases: `object`

  `all_inputs`()

    Get all the input variables of this operator.

  `all_outputs`()

    Get all the output variables of this operator.

  `attr`(name)

    Get the attribute by name.

    Parameters: | name (str) – the attribute name.
    Returns: | The attribute value. The return value can be any valid attribute type.
    Return type: | bool|int|str|float|list

  `idx`()

    Get the id of this operator.

  `inputs`(name)

    Get all the varibales by the input name.

  `is_bwd_op`()

    Whether this operator is backward op.

  `is_opt_op`()

    Whether this operator is optimizer op.

  `outputs`(name)

    Get all the varibales by the output name.

  `set_attr`(key, value)

    Set the value of attribute by attribute’s name.

    Parameters:

    - key (str) – the attribute name.
    - value (bool|int|str|float|list) – the value of the attribute.

  `type`()

    Get the type of this operator.

class `paddleslim.core.``Registry`(name)

  Bases: `object`

  `get`(key)
  `module_dict`
  `name`
  `register`(cls)

## Submodules

## paddleslim.core.graph_wrapper module

class `paddleslim.core.graph_wrapper.``GraphWrapper`(program=None, in_nodes=[], out_nodes=[])

  Bases: `object`

  It is a wrapper of paddle.fluid.framework.IrGraph with some special functions for paddle slim framework.

  Parameters:

  - program (framework.Program) – A program with
  - in_nodes (dict) – A dict to indicate the input nodes of the graph. The key is user-defined and human-readable name. The value is the name of Variable.
  - out_nodes (dict) – A dict to indicate the input nodes of the graph. The key is user-defined and human-readable name. The value is the name of Variable.

  `all_parameters`()

    Get all the parameters in this graph.

    Returns: | A list of VarWrapper instances.
    Return type: | list<VarWrapper>

  `clone`(for_test=False)

    Clone a new graph from current graph.

    Returns: | The wrapper of a new graph.
    Return type: | (GraphWrapper)

  `get_param_by_op`(op)

    Get the parameters used by target operator.

  `infer_shape`()

    Update the groups of convolution layer according to current filters. It is used after loading pruned parameters from file.

  `is_parameter`(var)

    Whether the given variable is parameter.

    Parameters: | var (VarWrapper) – The given varibale.

  `is_persistable`(var)

    Whether the given variable is persistable.

    Parameters: | var (VarWrapper) – The given varibale.

  `next_ops`(op)

    Get all the next operators of target operator.

    Parameters: | op (OpWrapper) – Target operator.
    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `numel_params`()

    Get the number of elements in all parameters.

  `ops`()

    Return all operator nodes included in the graph as a set.

  `pre_ops`(op)

    Get all the previous operators of target operator.

    Parameters: | op (OpWrapper) – Target operator.
    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `program`()

    Get the program in current wrapper.

  `update_groups_of_conv`()
  `update_param_shape`(scope)

    Update the shape of parameters in the graph according to tensors in scope. It is used after loading pruned parameters from file.

  `var`(name)

    Get the variable by variable name.

  `vars`()

    Get all the variables.

class `paddleslim.core.graph_wrapper.``VarWrapper`(var, graph)

  Bases: `object`

  `inputs`()

    Get all the operators that use this variable as output.

    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `is_parameter`()
  `name`()

    Get the name of the variable.

  `outputs`()

    Get all the operators that use this variable as input.

    Returns: | A list of operators.
    Return type: | list<OpWrapper>

  `set_shape`(shape)

    Set the shape of the variable.

  `shape`()

    Get the shape of the varibale.

class `paddleslim.core.graph_wrapper.``OpWrapper`(op, graph)

  Bases: `object`

  `all_inputs`()

    Get all the input variables of this operator.

  `all_outputs`()

    Get all the output variables of this operator.

  `attr`(name)

    Get the attribute by name.

    Parameters: | name (str) – the attribute name.
    Returns: | The attribute value. The return value can be any valid attribute type.
    Return type: | bool|int|str|float|list

  `idx`()

    Get the id of this operator.

  `inputs`(name)

    Get all the varibales by the input name.

  `is_bwd_op`()

    Whether this operator is backward op.

  `is_opt_op`()

    Whether this operator is optimizer op.

  `outputs`(name)

    Get all the varibales by the output name.

  `set_attr`(key, value)

    Set the value of attribute by attribute’s name.

    Parameters:

    - key (str) – the attribute name.
    - value (bool|int|str|float|list) – the value of the attribute.

  `type`()

    Get the type of this operator.

## paddleslim.core.registry module

class `paddleslim.core.registry.``Registry`(name)

  Bases: `object`

  `get`(key)
  `module_dict`
  `name`
  `register`(cls)