wehub-resource-sync
118 lines
3.4 KiB
C++
118 lines
3.4 KiB
C++
/*
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* 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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*/
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/*!
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* \file tvm/ir/global_info.h
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* \brief GlobalInfo are globally static object that are referred by the IR itself.
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*/
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#ifndef TVM_IR_GLOBAL_INFO_H_
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#define TVM_IR_GLOBAL_INFO_H_
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#include <tvm/ffi/reflection/registry.h>
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#include <tvm/ir/expr.h>
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#include <tvm/target/target.h>
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namespace tvm {
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/*!
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* \brief Abstract label for an area of memory.
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*/
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using MemoryScope = ffi::String;
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/*!
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* \brief GlobalInfo are globally static object that are referred by the IR itself.
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* Base node for all global info that can appear in the IR
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*/
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class GlobalInfoNode : public ffi::Object {
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public:
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static constexpr TVMFFISEqHashKind _type_s_eq_hash_kind = kTVMFFISEqHashKindTreeNode;
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TVM_FFI_DECLARE_OBJECT_INFO("ir.GlobalInfo", GlobalInfoNode, ffi::Object);
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};
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/*!
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* \brief Managed reference to GlobalInfoNode.
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* \sa GlobalInfoNode
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*/
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class GlobalInfo : public ffi::ObjectRef {
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public:
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TVM_FFI_DEFINE_OBJECT_REF_METHODS_NULLABLE(GlobalInfo, ffi::ObjectRef, GlobalInfoNode);
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};
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/*!
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* \brief A global info subclass for virtual devices.
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*/
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class VDeviceNode : public GlobalInfoNode {
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public:
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/*! \brief The \p Target describing how to compile for the virtual device. */
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Target target;
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/*! \brief The device identifier for the virtual device. This enables us to
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* differentiate between distinct devices with same Target, such as multiple GPUs.
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*/
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int vdevice_id;
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MemoryScope memory_scope;
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static void RegisterReflection() {
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namespace refl = tvm::ffi::reflection;
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refl::ObjectDef<VDeviceNode>()
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.def_ro("target", &VDeviceNode::target)
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.def_ro("vdevice_id", &VDeviceNode::vdevice_id)
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.def_ro("memory_scope", &VDeviceNode::memory_scope);
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}
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TVM_FFI_DECLARE_OBJECT_INFO_FINAL("ir.VDevice", VDeviceNode, GlobalInfoNode);
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};
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/*!
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* \brief Managed reference to VDeviceNode.
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* \sa VDeviceNode
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*/
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class VDevice : public GlobalInfo {
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public:
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TVM_DLL explicit VDevice(Target tgt, int dev_id, MemoryScope mem_scope);
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TVM_FFI_DEFINE_OBJECT_REF_METHODS_NULLABLE(VDevice, GlobalInfo, VDeviceNode);
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};
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/*!
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* \brief A dummy global info sub-class for testing purpose.
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*/
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class DummyGlobalInfoNode : public GlobalInfoNode {
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public:
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static void RegisterReflection() {
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namespace refl = tvm::ffi::reflection;
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refl::ObjectDef<DummyGlobalInfoNode>();
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}
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TVM_FFI_DECLARE_OBJECT_INFO_FINAL("ir.DummyGlobalInfo", DummyGlobalInfoNode, GlobalInfoNode);
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};
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/*!
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* \brief Managed reference to DummyGlobalInfoNode.
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* \sa DummyGlobalInfoNode
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*/
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class DummyGlobalInfo : public GlobalInfo {
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public:
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TVM_FFI_DEFINE_OBJECT_REF_METHODS_NULLABLE(DummyGlobalInfo, GlobalInfo, DummyGlobalInfoNode);
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};
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} // namespace tvm
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#endif // TVM_IR_GLOBAL_INFO_H_
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