75 lines
2.6 KiB
Python
75 lines
2.6 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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# pylint: disable=used-before-assignment
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"""A context manager that profiles tuning time cost for different parts."""
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from contextlib import contextmanager
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from typing import Optional
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from tvm_ffi import register_object
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from tvm.runtime import Object
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from . import _ffi_api
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@register_object("s_tir.meta_schedule.Profiler")
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class Profiler(Object):
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"""Tuning time profiler."""
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def __init__(self) -> None:
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self.__init_handle_by_constructor__(
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_ffi_api.Profiler, # type: ignore # pylint: disable=no-member
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)
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def get(self) -> dict[str, float]:
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"""Get the profiling results in seconds"""
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return _ffi_api.ProfilerGet(self) # type: ignore # pylint: disable=no-member
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def table(self) -> str:
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"""Get the profiling results in a table format"""
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return _ffi_api.ProfilerTable(self) # type: ignore # pylint: disable=no-member
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def __enter__(self) -> "Profiler":
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"""Entering the scope of the context manager"""
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_ffi_api.ProfilerEnterWithScope(self) # type: ignore # pylint: disable=no-member
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return self
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def __exit__(self, ptype, value, trace) -> None:
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"""Exiting the scope of the context manager"""
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_ffi_api.ProfilerExitWithScope(self) # type: ignore # pylint: disable=no-member
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@staticmethod
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def current() -> Optional["Profiler"]:
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"""Get the current profiler."""
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return _ffi_api.ProfilerCurrent() # type: ignore # pylint: disable=no-member
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@staticmethod
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def timeit(name: str):
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"""Timeit a block of code"""
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@contextmanager
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def _timeit():
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try:
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f = _ffi_api.ProfilerTimedScope(name) # type: ignore # pylint: disable=no-member
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yield
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finally:
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if f:
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f()
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return _timeit()
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