wehub-resource-sync
67 lines
2.3 KiB
Python
67 lines
2.3 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=redefined-builtin, invalid-name
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"""Global Info Data structures for distributed tensor."""
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import tvm_ffi
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from tvm_ffi import Shape
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from tvm.ir import Range
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from tvm.ir.global_info import GlobalInfo
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from . import _ffi_api as ffi
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@tvm_ffi.register_object("relax.distributed.DeviceMesh")
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class DeviceMesh(GlobalInfo):
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"""Device mesh express a view of topology of devices,
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represented by an n-d matrix of device ids.
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Parameters
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----------
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shape: Union[Shape, List[int], Tuple[int]]
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Logical shape of device mesh
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device_ids: Union[List[int], Range]
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Represents the device id in the mesh
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"""
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def __init__(self, shape: Shape | list[int] | tuple[int], device_ids: list[int] | Range):
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if not isinstance(shape, Shape):
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shape = Shape(shape)
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device_range = None
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if isinstance(device_ids, Range):
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device_range = device_ids
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device_ids = []
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self.__init_handle_by_constructor__(ffi.DeviceMesh, shape, device_ids, device_range) # type: ignore
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def device_mesh(shape: Shape, device_ids: list[int] | Range) -> DeviceMesh:
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"""Create a device mesh expression.
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Parameters
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----------
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shape : Shape
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The shape of the device mesh.
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device_ids: Union[List[int], Range]
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Represents the device id in the mesh
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Returns
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-------
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res : DeviceMesh
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The device mesh.
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"""
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return DeviceMesh(shape, device_ids) # pylint: disable=no-member # type: ignore
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