def minimum(input, other, out=None):
"""Return the min value of given two tensors.
Parameters
----------
input : dragon.vm.torch.Tensor or number
The input tensor.
other : dragon.vm.torch.Tensor or number
The input tensor.
out : dragon.vm.torch.Tensor, optional
The output tensor.
Returns
-------
dragon.vm.torch.Tensor
The output tensor.
"""
if not isinstance(input, Tensor):
input = WrapScalar(input, other.dtype, other.device)
elif not isinstance(other, Tensor):
other = WrapScalar(other, input.dtype, input.device)
dev = MakeDevice(inputs=[input])
key = 'Minimum/{}'.format(dev)
module = get_module(Minimum, key, dev)
return module.forward(input, other, out)
def _minimum(input, other, out=None):
if not isinstance(input, Tensor):
input = WrapScalar(input, 'float32', other._ctx)
dtype = other._dtype
elif not isinstance(other, Tensor):
other = WrapScalar(other, 'float32', input._ctx)
dtype = input._dtype
else:
dtype = input._dtype
ctx = MakeContext(inputs=[input])
key = 'torch/ops/minimum/{}:{}'.format(ctx[0].lower(), ctx[1])
module = get_module(Minimum, key, ctx)
return module.forward(input, other, out, dtype)
def _compare(input, other, operation, out=None):
if not isinstance(other, Tensor):
other = WrapScalar(other, input.dtype, input.device)
dev = MakeDevice(inputs=[input, other])
key = 'Compare/{}/{}'.format(operation, dev)
module = get_module(Compare, key, dev, operation=operation)
return module.forward(input, other, out)
def _rfundamental(input, value, op='RAdd', out=None):
if not isinstance(value, Tensor):
value = WrapScalar(value, input.dtype, input.device)
dev = MakeDevice(inputs=[input, value])
key = '{}/{}'.format(op, dev)
module = get_module(Fundamental, key, dev, op_type=op)
return module.forward(value, input, out)
def _rfundamental(input, value, op='RAdd', out=None):
if not isinstance(value, Tensor):
value = WrapScalar(value, input._dtype, input._ctx)
ctx = MakeContext(inputs=[input, value])
key = 'torch/ops/{}/{}:{}'.format(op.lower(), ctx[0].lower(), ctx[1])
module = get_module(Fundamental, key, ctx, op_type=op)
return module.forward(value, input, out)
def _masked_assign(output, mask, input):
if not isinstance(input, Tensor):
if isinstance(input, (tuple, list)):
input = Tensor(input, dtype=output.dtype, device=output.device)
else:
input = WrapScalar(input, output.dtype, output.device)
dev = MakeDevice(inputs=[input])
key = 'MaskedAssign/{}'.format(dev)
module = get_module(MaskedAssign, key, dev)
return module.forward(input, output, mask)
def _fundamental(input, value, op='Add', out=None):
if not isinstance(value, Tensor):
if not isinstance(value, (int, float)):
raise TypeError(
'Type of value should be numerical, got {}.'.format(
type(value)))
value = WrapScalar(value, input._dtype, input._ctx)
ctx = MakeContext(inputs=[input, value])
key = 'torch/ops/{}/{}:{}'.format(op.lower(), ctx[0].lower(), ctx[1])
module = get_module(Fundamental, key, ctx, op_type=op)
return module.forward(input, value, out)
def _assign(output, starts, sizes, input):
if not isinstance(input, Tensor):
if isinstance(input, (tuple, list)):
input = Tensor(input, dtype=output.dtype, device=output.device)
else:
input = WrapScalar(input, output.dtype, output.device)
nstarts, nsizes = len(starts), len(sizes)
dev = MakeDevice(inputs=[input])
key = 'Assign/{}/nstarts:{}/nsizes:{}'.format(dev, nstarts, nsizes)
module = get_module(Assign, key, dev, nstarts=nstarts, nsizes=nsizes)
return module.forward(input, output, starts, sizes)