Module ndim_optimized 

Optimized N-dimensional FFT operations

This module provides optimized implementations of N-dimensional FFT operations with better memory access patterns and performance.

Functions

fftn_memory_efficient

Memory-efficient FFT for very large arrays

fftn_optimized

Optimized N-dimensional FFT with better memory access patterns

rfftn_optimized

Optimized real-to-complex N-dimensional FFT