Overview

npdb is an implementation of large disk-stored NumPy-compatible n-dimenstional arrays that may exceed available memory. npdb implements the core multi-dimensional array class npdb.dbarray, which supports persistent binary storage and distributed batch processed operations. npdb.dbarray supports a subset of the numpy.ndarray interface.

Currently, npdb supports the following subset of the NumPy interface:

• Basic indexing

npdb extends NumPy’s capabilities with the folloiwng:

• Support for disk-stored arrays that exceed the size of memory
• Native parallelization of most methods for both speed and memory constraints