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034a238bab
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/57397 Introduces two main classes in C++ runtime: ScriptProfile is the implementation for enalbing and disabling interpreter profiling in C++. This should be only used from Python, and we will add corresponding Python API in the next diff. InstructionSpan is a utility class to instrument execution of each single instruction. A start timestamp is recorded in the consturctor, and an end timestamp is recorded in the destructor. During destruction, this will send runtime data to all enabled ScriptProfile instances. Test Plan: build/bin/test_jit --gtest_filter='ScriptProfileTest.Basic' Imported from OSS Reviewed By: gmagogsfm Differential Revision: D28133579 fbshipit-source-id: e7e30e96151367022793ab3ad323f01c51ad4a3b
63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#include <gtest/gtest.h>
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#include <c10/util/Optional.h>
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#include <test/cpp/jit/test_utils.h>
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#include <torch/csrc/jit/ir/ir.h>
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#include <torch/csrc/jit/ir/irparser.h>
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#include <torch/csrc/jit/runtime/script_profile.h>
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namespace torch {
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namespace jit {
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TEST(ScriptProfileTest, Basic) {
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const std::string source_string = R"V0G0N(
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def foo(a, b):
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return a + b #
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)V0G0N";
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auto begin = source_string.find("return");
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auto end = source_string.find(" #");
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Graph g;
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const auto graph_string = R"IR(
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graph(%a : Tensor,
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%b : Tensor):
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%2 : int = prim::Constant[value=1]()
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%3 : Tensor = aten::add(%a, %b, %2)
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return (%3))IR";
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torch::jit::parseIR(graph_string, &g);
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auto source = std::make_shared<Source>(source_string, "", 0);
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auto node = *g.nodes().begin();
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node->setSourceRange(SourceRange{source, begin, end});
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ScriptProfile p;
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p.enable();
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{
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profiling::InstructionSpan g0(*node);
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profiling::InstructionSpan g1(*node);
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profiling::InstructionSpan g2(*node);
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}
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p.disable();
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auto stats = p.dumpStats();
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EXPECT_EQ(stats.size(), 1);
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auto it = stats.find(*source.get());
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EXPECT_NE(it, stats.end());
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auto& lines = it->second;
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EXPECT_EQ(lines.size(), 1);
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const auto& stat = lines.at(source->lineno_for_offset(begin));
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EXPECT_EQ(stat.count, 3);
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}
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TEST(ScriptProfileTest, CallingOrder) {
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ScriptProfile p;
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p.enable();
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EXPECT_THROW(p.dumpStats(), c10::Error);
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p.disable();
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auto dp = std::make_shared<profiling::Datapoint>(SourceRange{});
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EXPECT_THROW(p.addDatapoint(std::move(dp)), c10::Error);
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}
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} // namespace jit
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} // namespace torch
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