Args: extend: bool, True, even the number of samples between processes by extending it.

r"""Hook that is called internally by the `pickle` module to unpickle a persistent object.

A new main code is reached and its name is added.

Ask the user the question until the user inputs a valid answer.

r"""Fused bias and activation function. Adds bias `b` to activation tensor `x`, evaluates activation function `act`, and scales the result by

Computes R1 grad penalty based on the existing d_outputs to save memory This is get from INR GAN

Finds the python class with the given name and constructs it with the given arguments.

r"""2D convolution with optional up/downsampling. Padding is performed only once at the beginning, not between the operations. Args:

Takes in a list of tuples of (src, dst) paths and copies files. Will create all necessary directories.

r"""Downsample a batch of 2D images using the given 2D FIR filter. By default, the result is padded so that its shape is a fraction of the input.

r"""Filter a batch of 2D images using the given 2D FIR filter. By default, the result is padded so that its shape matches the input. User-spe

Convert the seconds to human readable string with days, hours, minutes and seconds.