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Returns an Op that initializes a list of variables.

Migrate to TF2

In TF2, variables are initialized immediately when they are created. There is no longer a need to run variable initializers before using them.


Used in the notebooks

Used in the tutorials

After you launch the graph in a session, you can run the returned Op to initialize all the variables in var_list. This Op runs all the initializers of the variables in var_list in parallel.

Calling initialize_variables() is equivalent to passing the list of initializers to Group().

If var_list is empty, however, the function still returns an Op that can be run. That Op just has no effect.

var_list List of Variable objects to initialize.
name Optional name for the returned operation.

An Op that run the initializers of all the specified variables.