52 lines
1.8 KiB
Python
52 lines
1.8 KiB
Python
# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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"""Hexagon-owned backend hooks."""
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from importlib import import_module
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from pathlib import Path
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from tvm_ffi.libinfo import load_lib_ctypes
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from tvm.base import _LOADED_LIBS
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_LAZY_SUBMODULES = {"target_tags"}
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def register_backend():
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"""Register Hexagon-owned Python semantics."""
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runtime_dir = Path(_LOADED_LIBS["tvm_runtime"]._name).resolve().parent
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try:
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# Runtime sidecars only need registration side effects; libtvm_runtime is global.
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_LOADED_LIBS["tvm_runtime_hexagon"] = load_lib_ctypes(
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package="tvm",
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target_name="tvm_runtime_hexagon",
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extra_lib_paths=[runtime_dir],
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mode="RTLD_LOCAL",
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)
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except (OSError, FileNotFoundError, RuntimeError):
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pass
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import_module(f"{__name__}.target_tags")
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def __getattr__(name: str):
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if name in _LAZY_SUBMODULES:
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return import_module(f"{__name__}.{name}")
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raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
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__all__ = ["register_backend", "target_tags"]
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