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https://github.com/zebrajr/pytorch.git
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d67a265881
Summary: This merges changes that have already been reviewed/landed onto lazy_tensor_staging branch. It combines changes from multiple PRs into one diff. updated from lazy_tensor_staging on 3/16 Pull Request resolved: https://github.com/pytorch/pytorch/pull/74311 Test Plan: Run CI to ensure compilation on various platforms Run unit tests on lazy_tensor_staging branch with source version of all these diffs Reviewed By: desertfire Differential Revision: D34929235 fbshipit-source-id: babbc3bbeabc5b8107ee9284ed7765887a148622 (cherry picked from commit d91577a6557343ec536f6859e4808ec1a8a9b685)
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
#include <gtest/gtest.h>
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#include <c10/util/Exception.h>
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#include <torch/csrc/lazy/core/config.h>
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#include <torch/csrc/lazy/core/ir.h>
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#include <torch/csrc/lazy/core/ir_metadata.h>
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#include <torch/csrc/lazy/core/ir_util.h>
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namespace torch {
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namespace lazy {
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class IrUtilNode : public Node {
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public:
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explicit IrUtilNode()
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: Node(OpKind(), /* num_outputs */ 1, /* hash_func */ [&](bool /*bakeInSizes*/) -> hash_t { return Hash(0); }) {}
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~IrUtilNode() override = default;
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void AddOperand(Value v) {
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if (!v.node) {
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return;
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}
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operands_as_outputs_.emplace_back(v.node.get(), v.index);
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operands_.push_back(std::move(v.node));
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}
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const std::vector<Output>& operands() const override {
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return operands_as_outputs_;
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}
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const Output& operand(size_t i) const override {
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return operands_as_outputs_.at(i);
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}
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const Shape& shape(size_t i) const override { return shape_; }
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c10::ArrayRef<Shape> shapes() const override { return {shape_}; }
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private:
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std::vector<NodePtr> operands_;
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std::vector<Output> operands_as_outputs_;
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Shape shape_;
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};
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/* a
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* / \
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*b c
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* \ /
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* d
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* Post-order: d c b a
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*/
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TEST(IrUtilTest, BasicTest) {
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NodePtr a = MakeNode<IrUtilNode>();
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NodePtr b = MakeNode<IrUtilNode>();
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NodePtr c = MakeNode<IrUtilNode>();
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NodePtr d = MakeNode<IrUtilNode>();
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dynamic_cast<IrUtilNode*>(a.get())->AddOperand(Value(b, 0));
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dynamic_cast<IrUtilNode*>(a.get())->AddOperand(Value(c, 1));
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dynamic_cast<IrUtilNode*>(b.get())->AddOperand(Value(d, 0));
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dynamic_cast<IrUtilNode*>(c.get())->AddOperand(Value(d, 0));
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std::vector<Node*> postorder = Util::ComputePostOrder({a.get()});
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EXPECT_EQ(postorder.size(), 4);
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EXPECT_EQ(postorder.at(0), d.get());
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EXPECT_EQ(postorder.at(1), c.get());
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EXPECT_EQ(postorder.at(2), b.get());
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EXPECT_EQ(postorder.at(3), a.get());
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}
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/* a
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* / \
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*b---c
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* Post-order: not valid
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*/
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TEST(IrUtilTest, TestCircle) {
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NodePtr a = MakeNode<IrUtilNode>();
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NodePtr b = MakeNode<IrUtilNode>();
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NodePtr c = MakeNode<IrUtilNode>();
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dynamic_cast<IrUtilNode*>(a.get())->AddOperand(Value(b, 0));
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dynamic_cast<IrUtilNode*>(b.get())->AddOperand(Value(c, 0));
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dynamic_cast<IrUtilNode*>(c.get())->AddOperand(Value(a, 0));
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EXPECT_THROW(Util::ComputePostOrder({a.get()}), c10::Error);
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}
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} // namespace lazy
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} // namespace torch
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