| /* |
| * 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 auto_inline_elem_wise.cc |
| */ |
| #include <tvm/runtime/registry.h> |
| #include <tvm/te/operation.h> |
| #include <tvm/te/schedule_pass.h> |
| #include <tvm/tir/expr_functor.h> |
| |
| namespace tvm { |
| namespace te { |
| |
| using namespace tir; |
| |
| class ElemWiseDetector : public tir::ExprVisitor { |
| public: |
| explicit ElemWiseDetector(Array<IterVar> axis) : axis_(axis) {} |
| |
| void VisitExpr(const PrimExpr& e) final { |
| if (!is_elem_wise_) return; |
| ExprVisitor::VisitExpr(e); |
| } |
| |
| void VisitExpr_(const CallNode* op) final { |
| Array<PrimExpr> axis = op->args; |
| if (axis_.size() != axis.size()) { |
| is_elem_wise_ = false; |
| return; |
| } |
| |
| for (size_t i = 0; i < axis_.size(); ++i) { |
| if (!axis[i].same_as(axis_[i]->var)) { |
| is_elem_wise_ = false; |
| return; |
| } |
| } |
| ExprVisitor::VisitExpr_(op); |
| } |
| |
| bool is_elem_wise_{true}; |
| |
| private: |
| Array<IterVar> axis_; |
| }; |
| |
| bool IsElemWise(const Operation& op) { |
| if (const ComputeOpNode* compute = op.as<ComputeOpNode>()) { |
| ElemWiseDetector v = ElemWiseDetector(compute->axis); |
| for (auto& e : compute->body) v(e); |
| return v.is_elem_wise_; |
| } |
| return false; |
| } |
| |
| void AutoInlineElemWise(Schedule sch) { |
| for (Stage s : sch->stages) { |
| if (!s.is_scheduled() && IsElemWise(s->op) && !s->is_output) { |
| s.compute_inline(); |
| } |
| } |
| } |
| |
| bool IsBroadcast(const Operation& op) { |
| if (const ComputeOpNode* compute = op.as<ComputeOpNode>()) { |
| if (compute->reduce_axis.size()) { |
| return false; |
| } |
| // TODO(nicolasvasilache): Implement Me |
| } |
| return false; |
| } |
| |
| void AutoInlineBroadcast(Schedule sch) { |
| for (Stage s : sch->stages) { |
| if (!s.is_scheduled() && IsBroadcast(s->op) && !s->is_output) { |
| s.compute_inline(); |
| } |
| } |
| } |
| |
| bool IsInjective(const Operation& op) { |
| if (const ComputeOpNode* compute = op.as<ComputeOpNode>()) { |
| return compute->reduce_axis.size() == 0; |
| } |
| return false; |
| } |
| |
| void AutoInlineInjective(Schedule sch) { |
| for (Stage s : sch->stages) { |
| if (!s.is_scheduled() && IsInjective(s->op) && !s->is_output) { |
| s.compute_inline(); |
| } |
| } |
| } |
| |
| TVM_REGISTER_GLOBAL("schedule.AutoInlineElemWise").set_body_typed(AutoInlineElemWise); |
| |
| TVM_REGISTER_GLOBAL("schedule.AutoInlineInjective").set_body_typed(AutoInlineInjective); |
| |
| } // namespace te |
| } // namespace tvm |