Source code for aitemplate.compiler.transform.mark_param_tensor

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"""
mark tensors which are parameters
"""
from typing import List

from aitemplate.compiler.base import Tensor

# pylint: disable=C0103,W0613


[docs]def mark_special_views(sorted_graph: List[Tensor]): """ Associate each tensor with an external tensor if any of the conditions are true: 1. The tensor is a view-of-a-view of an external tensor. 2. The tensor is a view of an input, constant or output tensor (i.e. external tensor). Parameters ---------- sorted_graph : List[Tensor] The graph to mutate. """ for node in sorted_graph: view = node._attrs["is_view_of"] if view is None: continue view_orig = view._attrs["external_tensor"] if view_orig is not None: node._attrs["external_tensor"] = view_orig continue view_is_input_or_constant = not view.src_ops() view_is_output = view._attrs["is_output"] if view_is_input_or_constant or view_is_output: node._attrs["external_tensor"] = view
[docs]def mark_param_tensor(sorted_graph: List[Tensor]): """ Mark constant tensors: those that have no ops *and* are not explicitly marked as inputs. Parameters ---------- sorted_graph : List[Tensor] The graph to mutate. """ for node in reversed(sorted_graph): if not node.src_ops() and not node._attrs["is_input"]: node._attrs["is_param"] = True view = node._attrs["is_view_of"] if view is not None: view._attrs["has_output_aliases"] = ( node._attrs["is_output"] or node._attrs["has_output_aliases"] )