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

75 lines
2.4 KiB
C++

/*
* 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.
*/
/*!
* \file tvm/relax/distributed/global_info.h
* \brief Data structure for distributed inference
*/
#ifndef TVM_RELAX_DISTRIBUTED_GLOBAL_INFO_H_
#define TVM_RELAX_DISTRIBUTED_GLOBAL_INFO_H_
#include <tvm/ffi/container/shape.h>
#include <tvm/ir/expr.h>
#include <tvm/ir/module.h>
namespace tvm {
namespace relax {
namespace distributed {
/*
* \brief Device mesh express a view of topology of devices, represented by an n-d matrix of
* device ids
*/
class DeviceMeshNode : public GlobalInfoNode {
public:
/*! \brief logical shape of the mesh*/
ffi::Shape shape;
/*! \brief device ids in the mesh*/
ffi::Array<int64_t> device_ids;
/*! \brief Optionally use range to represent device_ids*/
ffi::Optional<Range> device_range;
static void RegisterReflection() {
namespace refl = tvm::ffi::reflection;
refl::ObjectDef<DeviceMeshNode>()
.def_ro("shape", &DeviceMeshNode::shape)
.def_ro("device_ids", &DeviceMeshNode::device_ids)
.def_ro("device_range", &DeviceMeshNode::device_range);
}
TVM_FFI_DECLARE_OBJECT_INFO_FINAL("relax.distributed.DeviceMesh", DeviceMeshNode, GlobalInfoNode);
};
/*!
* \brief Managed reference to a DeviceMesh.
* \sa DeviceMeshNode
*/
class DeviceMesh : public GlobalInfo {
public:
TVM_DLL DeviceMesh(ffi::Shape shape, ffi::Array<int64_t> device_ids);
TVM_DLL DeviceMesh(ffi::Shape shape, Range device_range);
TVM_FFI_DEFINE_OBJECT_REF_METHODS_NULLABLE(DeviceMesh, GlobalInfo, DeviceMeshNode);
};
} // namespace distributed
} // namespace relax
} // namespace tvm
#endif // TVM_RELAX_DISTRIBUTED_GLOBAL_INFO_H_