To create a memoryview, you use a similar syntax to the array declarations shown above: # conventional Cython def compute(int[:, ::1] array_1): cdef int [:,:] view2d = array_1 # pure-Python mode ...

Properly optimized, Python ... array objects need to be declared using NumPy’s syntax. Plus, the biggest speedups come by way of using NumPy-specific “broadcasting” techniques, where a ...