Debug mode

In debug mode, Chainer checks values of variables on runtime and shows more detailed error messages. It helps you to debug your programs. Instead it requires additional overhead time.

chainer.is_debug()[source]

Get the debug mode.

Returns:Return True if Chainer is in debug mode.
Return type:bool
chainer.set_debug(debug)[source]

Set the debug mode.

note:

This method changes global state. When you use this method on
multi-threading environment, it may affects other threads.
Parameters:debug (bool) – New debug mode.
class chainer.DebugMode(debug)[source]

Debug mode context.

This class provides a context manager for debug mode. When entering the context, it sets the debug mode to the value of debug parameter with memorizing its original value. When exiting the context, it sets the debug mode back to the original value.

Parameters:debug (bool) – Debug mode used in the context.