chainer.backend.Device¶
- class chainer.backend.Device[source]¶
A base class of unified devices.
Chainer has the following concrete implementations:
Methods
- __enter__()[source]¶
A dummy definition that simply raises RuntimeError.
chainer.using_device()
should be used instead.
- create_context()[source]¶
Returns a context manager in which the device is made current.
See also
chainer.using_device()
calls this method internally.
- is_array_supported(array)[source]¶
Returns if the specified array is compatible with the device. :param array: An array to be checked :type array: N-dimensional array
- Returns
True
if the array is compatible with the device. OtherwiseFalse
is returned.
- send(arrays)[source]¶
Transfers given arrays to the device.
- Parameters
arrays – Array or arrays of NumPy, CuPy, or ChainerX.
- Returns
Transferred arrays.
- __lt__(value, /)¶
Return self<value.
- __le__(value, /)¶
Return self<=value.
- __gt__(value, /)¶
Return self>value.
- __ge__(value, /)¶
Return self>=value.
Attributes
- name¶
A unique name of the device.
- supported_array_types¶
Array types supported by the device.
- Returns
tuple of array types which the device’s module functions can handle.
- xp¶
Array module corresponding to the device.