Source code for aitemplate.compiler.ops.common.python_ops

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"""
Syntax sugar ops to support List/Tuples in the IR. These ops don't generate any code.
"""
from typing import Any, List, Tuple, Union

from aitemplate.compiler.base import IntImm, IntVar, Operator, Tensor

from aitemplate.utils.tensor_utils import wrap_dim

# pylint: disable=C0103,W0221,R1732,W0613


[docs]class getitem(Operator): """Retrieve a single element from a list of tuple at a certain index.""" def __call__(self, vals: Union[List[Any], Tuple[Any]], index: int) -> Any: assert isinstance(vals, (tuple, list)) assert len(vals) > 0 wrapped_idx = wrap_dim(int(index), len(vals)) val = vals[wrapped_idx] if isinstance(val, Tensor) or isinstance(val, (IntVar, IntImm)): return val else: raise NotImplementedError( "getitem op does not support this val type: {}".format(val) )
[docs]class tuple_construct(Operator): """Construct a tuple of tensors.""" def __call__(self, *args: Union[Tensor, IntVar]) -> Tuple[Tensor]: outputs = tuple(args) return outputs
[docs]class list_construct(Operator): """Construct a list of tensors.""" def __call__(self, *args: Union[Tensor, IntVar]) -> List[Tensor]: outputs = list(args) return outputs