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chore: import upstream snapshot with attribution
2026-07-13 13:36:25 +08:00

68 lines
2.1 KiB
Python

# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
"""Global Info."""
import tvm_ffi
import tvm
from tvm.runtime import Device, Object
from . import _ffi_api
@tvm_ffi.register_object("ir.GlobalInfo")
class GlobalInfo(Object):
"""Base node for all global info that can appear in the IR"""
def __eq__(self, other):
"""Compare two global info objects for structural equivalence."""
return tvm_ffi.structural_equal(self, other)
def __ne__(self, other):
return not self.__eq__(other)
def same_as(self, other):
"""Overload with structural equality."""
return super().__eq__(other)
@tvm_ffi.register_object("ir.DummyGlobalInfo")
class DummyGlobalInfo(GlobalInfo):
"""DummyGlobalInfo"""
def __init__(self) -> None:
self.__init_handle_by_constructor__(
_ffi_api.DummyGlobalInfo,
)
@tvm_ffi.register_object("ir.VDevice")
class VDevice(GlobalInfo):
"""VDevice"""
def __init__(
self,
target=None,
vdevice_id: int = 0,
memory_scope: str = "global",
) -> None:
if isinstance(target, dict | str):
target = tvm.target.Target(tvm.runtime.convert(target))
if isinstance(target, Device):
target = tvm.target.Target.from_device(target)
self.__init_handle_by_constructor__(_ffi_api.VDevice, target, vdevice_id, memory_scope)