SMA

Shared memory arrays for parallel processing.

Note

Usage of this array can help for parallel processing of shared memory arrays. However, using memmap sources (MMP) often enable faster implementations.

ctype(dtype)

Determine ctype from array or dtype for ctype array construction

Arguments

dtypearray or dtype

The array or data type to determine the c type from.

Returns

ctypestr

The c-type correspinding to the array or dtype.

base(array)

Return the underlying multiprocessing shared raw array from a shared numpy array

Arguments

arrayarray

Shared array.

Returns

arrayarray

The raw shared memory base array.

empty(shape, dtype=None, order=None)

Creates a empty shared memory array with numpy wrapper

Arguments

shapetuple of ints

The shape of the shared memory array to create.

dtypearray or dtype

The array or data type to determine the c type from, if None float is used.

orderC’, ‘F’, or None

The order of the array.

Returns

arrayarray

A shared memory array wrapped as ndarray.

zeros(shape, dtype=None, order=None)

Creates a shared memory array of zeros with numpy wrapper

Arguments

shapetuple of ints

The shape of the shared memory array to create.

dtypearray or dtype

The array or data type to determine the c type from, if None float is used.

order‘A’, ‘C’, ‘F’, or None

The order of the array. If None, ‘A’ is used.

Returns

arrayarray

A shared memory array wrapped as ndarray.

zeros_like(source, shape=None, dtype=None, order=None)

Creates a shared memory array with numpy wrapper using shape, dtype and order from source

Arguments

sourcearray

The source array to use as template.

shapetuple of ints

The shape of the shared memory array to create.

dtypearray or dtype

The array or data type to determine the c type from, if None float is used.

order‘A’, ‘C’, ‘F’, or None

The order of the array. If None, ‘A’ is used.

Returns

arrayarray

A shared memory array wrapped as ndarray basedon the source array.

ones(shape, dtype=None, order=None)

Creates a shared memory array of ones with numpy wrapper

Arguments

shapetuple of ints

The shape of the shared memory array to create.

dtypearray or dtype

The array or data type to determine the c type from, if None float is used.

order‘A’, ‘C’, ‘F’, or None

The order of the array. If None, ‘A’ is used.

Returns

arrayarray

A shared memory array wrapped as ndarray.