What is the advantage of saving `.npz` files instead of `.npy` in python, regarding speed, memory and look-up?

What is the advantage of saving `.npz` files instead of `.npy` in python, regarding speed, memory and look-up?

python numpy serialization file-io save

numpy

Why are some numpy datatypes JSON serializable and others not?

python json numpy serialization types

numpy

Json Encoder AND Decoder for complex numpy arrays

python json serialization numpy encoding

numpy

Saving KDTree object in Python?

python serialization numpy scipy pickle

numpy

Efficient serialization of numpy boolean arrays

python serialization dictionary numpy

numpy

How to serialize sympy lambdified function?

python numpy serialization pickle sympy

numpy

Why is dill much faster and more disk-efficient than pickle for numpy arrays

python numpy serialization pickle dill

numpy

Dictionary-like efficient storing of scipy/numpy arrays

python serialization numpy scipy

numpy

Python gzip: OverflowError size does not fit in an int

python numpy serialization gzip pickle

numpy

Writing .npy (numpy binary format) from java

java python serialization numpy

numpy

Why is a BSON serialized numpy array much bigger than the original?

arrays python-3.x numpy serialization bson

numpy