Print an integer tensor in binary

Question

I have a tensor of type tf.int32 I would like to use tf.Print but I need the result to be in binary. Is this even possible? It is for debugging.

Example:

constant = tf.constant(5)
#magic
tf.Print(constant) # prints 101

Your best bet may be to redirect the output from the C stream, modify it using python, and the print it as binary. See this post for details. — James
– James, Commented Jan 6, 2018 at 4:28

NucS · Accepted Answer · 2019-08-29 13:46:23Z

3

You can use tf.py_function:

x = tf.placeholder(tf.int32)
bin_op = tf.py_function(lambda dec: bin(int(dec))[2:], [x], tf.string)

bin_op.eval(feed_dict={x: 5})   # '101'

But note that tf.py_function creates a node in the graph. So if you want to print many tensors, you can wrap them with tf.py_function before tf.Print, but doing this in a loop may cause bloating.

edited Aug 29, 2019 at 13:46

NucS

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answered Jan 6, 2018 at 8:43

Maxim

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