mirror of
https://github.com/zebrajr/pytorch.git
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a9b0a921d5
Summary: As GoogleTest `TEST` macro is non-compliant with it as well as `DEFINE_DISPATCH` All changes but the ones to `.clang-tidy` are generated using following script: ``` for i in `find . -type f -iname "*.c*" -or -iname "*.h"|xargs grep cppcoreguidelines-avoid-non-const-global-variables|cut -f1 -d:|sort|uniq`; do sed -i "/\/\/ NOLINTNEXTLINE(cppcoreguidelines-avoid-non-const-global-variables)/d" $i; done ``` Pull Request resolved: https://github.com/pytorch/pytorch/pull/62008 Reviewed By: driazati, r-barnes Differential Revision: D29838584 Pulled By: malfet fbshipit-source-id: 1b2f8602c945bd4ce50a9bfdd204755556e31d13
77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
#include <torch/csrc/jit/backends/backend.h>
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#include <torch/csrc/jit/backends/backend_preprocess.h>
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#include <torch/csrc/jit/passes/dead_code_elimination.h>
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#include <torch/csrc/jit/passes/inliner.h>
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namespace torch {
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namespace jit {
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namespace {
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// For this backend, the actual compilation happens in preprocess function AOT.
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// Put here for demonstration of backend
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// as a whole piece. It's used when compilation is required. A dummy function
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// can be passed when there's no usage of compilation in runtime backend lib.
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c10::IValue preprocess(
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const Module& mod,
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const c10::Dict<IValue, IValue>& method_compile_spec,
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const BackendDebugHandleGenerator& generate_debug_handles) {
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// The output of this process would produce a dictionary
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// Key: method name.
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// Val: compiled blob (represented by a string).
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c10::Dict<IValue, IValue> compiled(StringType::get(), StringType::get());
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for (const auto& method : mod.get_methods()) {
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auto graph = method.function().graph()->copy();
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// Must inline the graph for debug info map.
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Inline(*graph);
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// This is here because to test module hierarchy we will have
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// getattr nodes which after inlining dont serve any purpose.
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// Without removing them we will run into compilation errors.
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// So eliminate deadcode just remove those getattr nodes.
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EliminateDeadCode(graph);
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// NOLINTNEXTLINE(performance-unnecessary-copy-initialization)
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auto key = method.name();
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auto node_debug_handles = generate_debug_handles(graph);
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std::stringstream ss;
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for (const auto& node : graph->nodes()) {
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switch (node->kind()) {
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case prim::Constant:
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ss << node->kind().toDisplayString() << "#"
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<< toIValue(node->output()).value();
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ss << "<debug_handle>" << node_debug_handles[node];
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break;
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// NOLINTNEXTLINE(bugprone-branch-clone)
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case aten::add:
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ss << node->kind().toQualString();
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ss << "<debug_handle>" << node_debug_handles[node];
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break;
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case aten::sub:
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ss << node->kind().toQualString();
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ss << "<debug_handle>" << node_debug_handles[node];
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break;
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default:
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TORCH_CHECK(
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false,
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"The node of ",
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node->kind().toQualString(),
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" is not supported in this compiler. Source code: ",
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node->sourceRange().str());
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break;
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}
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ss << ",";
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}
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std::string blob = ss.str();
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if (!blob.empty()) {
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blob.pop_back();
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}
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compiled.insert(method.name(), blob);
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}
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return compiled;
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}
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constexpr auto backend_name = "backend_with_compiler_demo";
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static auto pre_reg = backend_preprocess_register(backend_name, preprocess);
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} // namespace
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} // namespace jit
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} // namespace torch
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