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tf.math.zero_fraction

TensorFlow 1 version View source on GitHub

Returns the fraction of zeros in value.

If value is empty, the result is nan.

This is useful in summaries to measure and report sparsity. For example,

    z = tf.nn.relu(...)
    summ = tf.compat.v1.summary.scalar('sparsity', tf.nn.zero_fraction(z))

value A tensor of numeric type.
name A name for the operation (optional).

The fraction of zeros in value, with type float32.