Esempio n. 1
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def auto_device(obj, context, stream=None, copy=True):
    """
    Create a DeviceArray like obj and optionally copy data from
    host to device. If obj already represents device memory, it is returned and
    no copy is made.
    """
    if _driver.is_device_memory(obj):  # it's already on the dGPU
        return obj, False
    else:  # needs to be copied to the dGPU
        sentry_contiguous(obj)
        devobj = from_array_like(obj)
        if copy:
            devobj.copy_to_device(obj, stream=stream, context=context)
        return devobj, True
Esempio n. 2
0
def auto_device(obj, context, stream=None, copy=True):
    """
    Create a DeviceArray like obj and optionally copy data from
    host to device. If obj already represents device memory, it is returned and
    no copy is made.
    """
    if _driver.is_device_memory(obj): # it's already on the dGPU
        return obj, False
    else: # needs to be copied to the dGPU
        sentry_contiguous(obj)
        devobj = from_array_like(obj)
        if copy:
            devobj.copy_to_device(obj, stream=stream, context=context)
        return devobj, True