.. index:: pair: struct; dnnl::inner_product_backward_weights::desc
.. _doxid-structdnnl_1_1inner__product__backward__weights_1_1desc:

struct dnnl::inner_product_backward_weights::desc
=================================================

.. toctree::
	:hidden:

Overview
~~~~~~~~

Descriptor for an inner product weights gradient primitive. :ref:`More...<details-structdnnl_1_1inner__product__backward__weights_1_1desc>`


.. ref-code-block:: cpp
	:class: doxyrest-overview-code-block

	#include <dnnl.hpp>
	
	struct desc
	{
		// fields
	
		:ref:`dnnl_inner_product_desc_t<doxid-structdnnl__inner__product__desc__t>` :target:`data<doxid-structdnnl_1_1inner__product__backward__weights_1_1desc_1a19fe1e4c8092d8cf4daef922095510bf>`;

		// construction
	
		:ref:`desc<doxid-structdnnl_1_1inner__product__backward__weights_1_1desc_1a08da17f4f460b7613d8c6143f984f941>`(
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& src_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_weights_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_bias_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_dst_desc
			);
	
		:ref:`desc<doxid-structdnnl_1_1inner__product__backward__weights_1_1desc_1aec714169ef02d38afdd353a3962387ea>`(
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& src_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_weights_desc,
			const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_dst_desc
			);
	};
.. _details-structdnnl_1_1inner__product__backward__weights_1_1desc:

Detailed Documentation
~~~~~~~~~~~~~~~~~~~~~~

Descriptor for an inner product weights gradient primitive.

Construction
------------

.. index:: pair: function; desc
.. _doxid-structdnnl_1_1inner__product__backward__weights_1_1desc_1a08da17f4f460b7613d8c6143f984f941:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	desc(
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& src_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_weights_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_bias_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_dst_desc
		)

Constructs a descriptor for an inner product descriptor weights update primitive with bias.

.. note:: 

   All the memory descriptors may be initialized with the :ref:`dnnl::memory::format_tag::any <doxid-structdnnl_1_1memory_1a8e71077ed6a5f7fb7b3e6e1a5a2ecf3fa100b8cad7cf2a56f6df78f171f97a1ec>` value of ``format_tag``.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- src_desc

		- Memory descriptor for src.

	*
		- diff_weights_desc

		- Memory descriptor for diff weights.

	*
		- diff_bias_desc

		- Memory descriptor for diff bias.

	*
		- diff_dst_desc

		- Memory descriptor for diff dst.

.. index:: pair: function; desc
.. _doxid-structdnnl_1_1inner__product__backward__weights_1_1desc_1aec714169ef02d38afdd353a3962387ea:

.. ref-code-block:: cpp
	:class: doxyrest-title-code-block

	desc(
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& src_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_weights_desc,
		const :ref:`memory::desc<doxid-structdnnl_1_1memory_1_1desc>`& diff_dst_desc
		)

Constructs a descriptor for an inner product descriptor weights update primitive without bias.

.. note:: 

   All the memory descriptors may be initialized with the :ref:`dnnl::memory::format_tag::any <doxid-structdnnl_1_1memory_1a8e71077ed6a5f7fb7b3e6e1a5a2ecf3fa100b8cad7cf2a56f6df78f171f97a1ec>` value of ``format_tag``.



.. rubric:: Parameters:

.. list-table::
	:widths: 20 80

	*
		- src_desc

		- Memory descriptor for src.

	*
		- diff_weights_desc

		- Memory descriptor for diff weights.

	*
		- diff_dst_desc

		- Memory descriptor for diff dst.