O-16: distarray memory-mapped array functionality (optional)

Objective: To provide functionality that allows ODIN to use memory-mapped arrays as
the backing store for data.

Relevance: This provides support for users who have large storage capacity on, e.g. a workstation, and cannot fit an entire array in main memory. By allowing the backing store to use memory-mapped arrays, these users can perform distributed computations on arrays larger than can fit in main memory.

Description: The initial implementation of this task will likely build on top of NumPy’s existing memory-mapped array functionality. Based on this initial implementation and input from the distributed array protocol design, refinements will be made accordingly.

El issue no menciona archivos, pruebas ni puntos de entrada. Empieza por localizar la implementación del almacén de respaldo de arrays de ODIN y revisar la funcionalidad de arrays mapeados en memoria de NumPy. Se considera terminado cuando ODIN pueda usar arrays mapeados en memoria como almacén de respaldo para cálculos distribuidos sobre arrays más grandes que la memoria principal.

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