[18/N] Fix clang-tidy warnings in jit (#132963)

Follows #132753

Pull Request resolved: https://github.com/pytorch/pytorch/pull/132963
Approved by: https://github.com/Skylion007

torch/csrc/jit/mobile/code.h

@@ -6,9 +6,7 @@
 #include <ATen/core/operator_name.h>
 #include <torch/csrc/jit/runtime/instruction.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 using Stack = std::vector<c10::IValue>;
 using DebugHandle = int64_t;
@@ -34,6 +32,4 @@ struct Code {
   bool initialized = false;
 };
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/debug_info.cpp

@@ -9,8 +9,7 @@
 
 #include <c10/util/string_view.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 namespace {
 
@@ -140,7 +139,7 @@ MobileDebugTable::MobileDebugTable(
       }
 
       for (auto& val : lines.toTuple()->elements()) {
-        auto tup_elems = std::move(*std::move(val).toTuple()).elements();
+        auto tup_elems = std::move(*val.toTuple()).elements();
         // For BC we decode only tuples with 3 elements
         // assuming it contains
         // byte_offset, debug_handle (=source range tag), source range
@@ -159,7 +158,7 @@ MobileDebugTable::MobileDebugTable(
         reader->getRecord(callstack_debug_file);
     CallStackDebugInfoUnpickler unpickler;
     callstack_ptr_map_ = unpickler.unpickle(
-        std::move(callstack_data), callstack_data_size, source_range_map, cu);
+        callstack_data, callstack_data_size, source_range_map, cu);
   }
 }
 
@@ -229,5 +228,4 @@ std::pair<std::string, std::string> MobileDebugTable::
       debug_infos, "top", top_module_type_name));
 }
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/debug_info.h

@@ -5,8 +5,7 @@
 #include <torch/csrc/jit/ir/scope.h>
 #include <torch/csrc/jit/serialization/source_range_serialization.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 /*
  * MobileDebugTable:
  * Deserializes debug_pkl and callstack_map records from PT model's zip archive
@@ -53,5 +52,4 @@ class MobileDebugTable {
   ska::flat_hash_map<int64_t, DebugInfoTuple> callstack_ptr_map_;
 };
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/file_format.h

@@ -29,8 +29,7 @@
  * only be called from one or two locations per binary.
  */
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 /**
  * The format of a file or data stream.
@@ -119,9 +118,9 @@ static void file_not_found_error() {
   std::stringstream message;
   message << "Error while opening file: ";
   if (errno == ENOENT) {
-    message << "no such file or directory" << std::endl;
+    message << "no such file or directory" << '\n';
   } else {
-    message << "error no is: " << errno << std::endl;
+    message << "error no is: " << errno << '\n';
   }
   TORCH_CHECK(false, message.str());
 }
@@ -192,5 +191,4 @@ static inline std::tuple<std::shared_ptr<char>, size_t> get_rai_content(
   return std::make_tuple(data, buffer_size);
 }
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/flatbuffer_loader.cpp

@@ -55,8 +55,7 @@ namespace flatbuffers = flatbuffers_fbsource;
 #include <torch/csrc/jit/serialization/mobile_bytecode_generated.h> // NOLINT
 #endif
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 // Our own alignment requirement does not need to be exactly the same as what
 // flatbuffers supports, but what flatbuffers supports needs to satisfy our
@@ -91,9 +90,9 @@ class FlatbufferLoader final {
       ExtraFilesMap* jit_sources,
       std::vector<IValue>* constants);
 
-  typedef TypePtr (*TypeResolver)(
+  using TypeResolver = TypePtr (*)(
       const std::string& type_str,
-      std::shared_ptr<CompilationUnit> cu);
+      const std::shared_ptr<CompilationUnit>& cu);
 
   void internal_registerTypeResolver(TypeResolver type_resolver);
 
@@ -187,7 +186,7 @@ IValue parseEnum(
 
 TypePtr resolveType(
     const std::string& type_string,
-    std::shared_ptr<CompilationUnit> cu) {
+    const std::shared_ptr<CompilationUnit>& cu) {
   TypePtr type;
   c10::string_view type_str(type_string);
   if (type_str.starts_with(kCustomClassPrefix)) {
@@ -531,7 +530,7 @@ IValue parseList(
     const mobile::serialization::IValue& ivalue) {
   const mobile::serialization::List* list = ivalue.val_as_List();
   auto res = c10::impl::GenericList(AnyType::get());
-  for (int i : *list->items()) {
+  for (auto i : *list->items()) {
     res.emplace_back(loader.getIValue(i));
   }
   auto type = loader.getOrCreateTypeAnnotations(list->annotation_str());
@@ -575,11 +574,13 @@ IValue parseTuple(
     FlatbufferLoader& loader,
     const mobile::serialization::IValue& ivalue) {
   const auto& tuple = ivalue.val_as_Tuple();
+  const auto items = tuple->items();
   std::vector<IValue> res;
-  for (int i : *tuple->items()) {
+  res.reserve(items->size());
+  for (auto i : *items) {
     res.emplace_back(loader.getIValue(i));
   }
-  return c10::ivalue::Tuple::create(res);
+  return c10::ivalue::Tuple::create(std::move(res));
 }
 
 IValue parseDict(
@@ -939,5 +940,4 @@ bool register_flatbuffer_loader() {
   return true;
 }
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/flatbuffer_loader.h

@@ -18,8 +18,7 @@
  * types, to avoid leaking those details to PyTorch clients.
  */
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 /// All non-copied data pointers provided to `parse_and_initialize_*` functions
 /// must be aligned to this boundary. Since the Module will point directly into
@@ -132,5 +131,4 @@ TORCH_API mobile::Module parse_and_initialize_mobile_module(
 // no op, TODO(qihan) delete
 TORCH_API bool register_flatbuffer_loader();
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/frame.h

@@ -5,9 +5,7 @@
 #include <torch/csrc/jit/mobile/code.h>
 #include <optional>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 class Frame {
  public:
@@ -48,6 +46,4 @@ class Frame {
   size_t pc_{0};
 };
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/function.cpp

@@ -8,8 +8,7 @@
 #include <torch/csrc/jit/runtime/instruction.h>
 #include <torch/csrc/jit/runtime/operator.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 char const* toString(OpCode op);
 namespace mobile {
@@ -27,7 +26,11 @@ const c10::QualifiedName& Function::qualname() const {
   return name_;
 }
 
-void Function::append_instruction(OpCode op, int X, int N, int64_t dbg_handle) {
+void Function::append_instruction(
+    OpCode op,
+    int64_t X,
+    int64_t N,
+    int64_t dbg_handle) {
   TORCH_CHECK(
       isOpSupportedInMobile(op),
       toString(op),
@@ -36,7 +39,7 @@ void Function::append_instruction(OpCode op, int X, int N, int64_t dbg_handle) {
   code_.debug_handles_.emplace_back(dbg_handle);
 }
 
-void Function::append_instruction(OpCode op, int X, int N) {
+void Function::append_instruction(OpCode op, int64_t X, int64_t N) {
   TORCH_CHECK(
       isOpSupportedInMobile(op),
       toString(op),
@@ -166,7 +169,7 @@ const std::vector<int64_t>& Function::getExceptionDebugHandles() const {
 }
 
 std::optional<std::function<void(Stack&)>> makeOperatorFunction(
-    c10::OperatorName opname,
+    const c10::OperatorName& opname,
     std::optional<int> num_specified_args) {
   std::function<void(Stack&)> fn;
   const auto full_name = c10::toString(opname);
@@ -269,5 +272,4 @@ Function& Function::registerFunc(
 }
 
 } // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/function.h

@@ -7,8 +7,7 @@
 #include <ATen/core/ivalue.h>
 #include <torch/csrc/jit/mobile/code.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 enum OpCode : uint8_t;
 struct Instruction;
 struct OperatorString;
@@ -32,8 +31,8 @@ class TORCH_API Function : public torch::jit::Function {
   // NOTE: the APIs below is dangerous: if you call append_instruction with
   // dbg_handle and then call it without; then the dbg_handle will become
   // misaligned. Therefore only use ONE variant at time.
-  void append_instruction(OpCode op, int X, int N, int64_t dbg_handle);
-  void append_instruction(OpCode op, int X, int N);
+  void append_instruction(OpCode op, int64_t X, int64_t N, int64_t dbg_handle);
+  void append_instruction(OpCode op, int64_t X, int64_t N);
   void append_operator(
       const std::string& name,
       const std::string& overload_name,
@@ -76,11 +75,10 @@ class TORCH_API Function : public torch::jit::Function {
 };
 
 std::optional<std::function<void(Stack&)>> makeOperatorFunction(
-    c10::OperatorName opname,
+    const c10::OperatorName& opname,
     std::optional<int> num_specified_args);
 
 TORCH_API std::string operator_str(const c10::OperatorName& opname);
 
 } // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/import.cpp

@@ -81,8 +81,7 @@
 //  - Argument::{known_length_,kwarg_only_}
 //  - FunctionSchema::{overload_name_, is_vararg_, is_varret_}
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 using caffe2::serialize::MemoryReadAdapter;
 using caffe2::serialize::PyTorchStreamReader;
 using caffe2::serialize::ReadAdapterInterface;
@@ -91,7 +90,7 @@ OpCode parseOpCode(const char* str);
 
 TypePtr resolveTypeNameMobile(
     const c10::QualifiedName& qn,
-    std::shared_ptr<CompilationUnit> compilation_unit) {
+    const std::shared_ptr<CompilationUnit>& compilation_unit) {
   // HACK: first we check whether the name starts with special prefix to
   // tell if it's a supported pytorch class type. There are two special
   // prefixes. "__torch__" for nn module, and "torch.jit" from to_backend.
@@ -146,7 +145,7 @@ c10::intrusive_ptr<c10::ivalue::Object> objLoaderMobile(
     custom_class_type->getMethod("__setstate__").run(stack);
     return obj;
   } else {
-    auto dict = std::move(input).toGenericDict();
+    auto dict = input.toGenericDict();
     size_t ndict = dict.size();
     auto obj = c10::ivalue::Object::create(type, ndict);
     auto it = dict.begin();
@@ -223,8 +222,8 @@ class BytecodeDeserializer final {
   // dynamically. It's used for finding the minimum required runtime to run all
   // operators from the given model. If it's less than the current runtime,
   // upgrader will be applied at loading stage.
-  uint64_t operator_version_;
-  uint64_t bytecode_version_;
+  uint64_t operator_version_{0};
+  uint64_t bytecode_version_{0};
 };
 
 BytecodeDeserializer::BytecodeDeserializer(
@@ -486,8 +485,7 @@ c10::IValue BytecodeDeserializer::readArchive(
   };
 
   bool bytecode_tensor_in_constants_archive =
-      (archive_name == "bytecode" &&
-       !isTensorInBytecodeArchive(*reader_.get()));
+      (archive_name == "bytecode" && !isTensorInBytecodeArchive(*reader_));
 
   auto ivalues = torch::jit::readArchiveAndTensors(
       archive_name,
@@ -497,7 +495,7 @@ c10::IValue BytecodeDeserializer::readArchive(
       type_resolver,
       obj_loader,
       device_,
-      *reader_.get(),
+      *reader_,
       nullptr);
   return ivalues;
 }
@@ -734,5 +732,4 @@ std::set<std::string> _export_operator_list(
 }
 
 } // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/import.h

@@ -7,8 +7,7 @@
 
 #include <caffe2/serialize/file_adapter.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 using caffe2::serialize::FileAdapter;
 using caffe2::serialize::IStreamAdapter;
 using caffe2::serialize::ReadAdapterInterface;
@@ -77,7 +76,7 @@ void _load_extra_only_for_mobile(
 // version type_resolver and obj_loader.
 at::TypePtr resolveTypeNameMobile(
     const c10::QualifiedName& qn,
-    std::shared_ptr<CompilationUnit> compilation_unit);
+    const std::shared_ptr<CompilationUnit>& compilation_unit);
 c10::StrongTypePtr typeResolverMobile(
     const c10::QualifiedName& qn,
     const std::shared_ptr<CompilationUnit>& compilation_unit);
@@ -108,5 +107,4 @@ TORCH_API std::set<std::string> _export_operator_list(
 
 } // namespace mobile
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/import_data.h

@@ -9,8 +9,7 @@
 #include <map>
 #include <string>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 /**
  * Loads named parameters from the serialized data in @p in.
@@ -34,5 +33,4 @@ TORCH_API std::map<std::string, at::Tensor> _load_parameters(
 TORCH_API std::map<std::string, at::Tensor> mobile_module_to_parameter_map(
     const mobile::Module& module);
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/import_export_common.h

@@ -5,19 +5,11 @@
  * Declarations shared between import_data.cpp and export_data.cpp
  */
 
-namespace torch {
-namespace jit {
-namespace mobile {
-
-namespace internal {
+namespace torch::jit::mobile::internal {
 /**
  * The name of the mobile::Module attribute which contains saved parameters, as
  * a Dict of names to Tensors. Only used for Flatbuffer serialization.
  */
 // NOLINTNEXTLINE(cppcoreguidelines-avoid-c-arrays,modernize-avoid-c-arrays)
 constexpr char kSavedParametersAttributeName[] = "data";
-} // namespace internal
-
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile::internal

torch/csrc/jit/mobile/interpreter.cpp

@@ -15,8 +15,7 @@
 #include <torch/csrc/jit/runtime/jit_exception.h>
 #include <torch/csrc/jit/runtime/vararg_functions.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 char const* toString(OpCode op);
 std::ostream& operator<<(std::ostream& out, Instruction inst);
 namespace mobile {
@@ -400,5 +399,4 @@ IValue& InterpreterState::reg(size_t reg) {
 }
 
 } // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/interpreter.h

@@ -5,9 +5,7 @@
 #include <torch/csrc/jit/mobile/code.h>
 #include <torch/csrc/jit/mobile/frame.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 struct InterpreterState {
   TORCH_API explicit InterpreterState(const Code& code);
@@ -25,6 +23,4 @@ struct InterpreterState {
 };
 
 const std::vector<DebugHandle>& getInterpretersExceptionDebugHandles();
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/method.h

@@ -3,9 +3,7 @@
 #include <ATen/core/ivalue.h>
 #include <torch/csrc/jit/mobile/function.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 class Module;
 
@@ -40,6 +38,4 @@ struct TORCH_API Method {
   Function* function_;
 };
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/module.cpp

@@ -11,8 +11,7 @@
 #include <c10/util/ScopeExit.h>
 #include <c10/util/irange.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 std::ostream& operator<<(std::ostream& out, Instruction inst);
 namespace mobile {
 
@@ -351,5 +350,4 @@ TORCH_API ModuleInfo get_module_info(const mobile::Module& module) {
 }
 
 } // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/module.h

@@ -7,9 +7,7 @@
 
 #include <utility>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 using Stack = std::vector<c10::IValue>;
 
 // A CompilationUnit object is the one that gets executed by the lite
@@ -135,7 +133,7 @@ class TORCH_API Module {
   }
 
   const CompilationUnit& compilation_unit() const {
-    return *cu_.get();
+    return *cu_;
   }
 
   void set_delete_memory(std::shared_ptr<char> delete_mem) {
@@ -192,6 +190,4 @@ struct TORCH_API ModuleInfo {
 };
 TORCH_API ModuleInfo get_module_info(const mobile::Module& module);
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/parse_bytecode.cpp

@@ -8,8 +8,7 @@
 #include <torch/csrc/jit/serialization/import_export_functions.h>
 #include <torch/custom_class_detail.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 OpCode parseOpCode(const char* str);
 using c10::IValue;
 
@@ -156,8 +155,8 @@ void parseInstructions(
         "There should be three parts in an instruction. The function name is ",
         function_name);
     OpCode op_code = opCodeCache.parse(*ins_item[0].toString());
-    int X = ins_item[1].toInt();
-    int N = ins_item[2].toInt();
+    auto X = ins_item[1].toInt();
+    auto N = ins_item[2].toInt();
 
     if (!debug_handles_list.empty()) {
       int64_t debug_handle = debug_handles_list[j];
@@ -195,5 +194,4 @@ void parseRegisterSize(size_t rsize, mobile::Function* function) {
 }
 
 } // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/parse_bytecode.h

@@ -1,9 +1,7 @@
 #pragma once
 #include <torch/csrc/jit/mobile/function.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 using c10::IValue;
 TORCH_API void parseInstructions(
     const std::string& function_name,
@@ -20,6 +18,4 @@ TORCH_API void parseRegisterSize(size_t rsize, mobile::Function* function);
 TORCH_API void applyUpgrader(
     mobile::Function* function,
     uint64_t operator_version);
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/parse_operators.cpp

@@ -1,9 +1,7 @@
 #include <ATen/core/ivalue.h>
 #include <torch/csrc/jit/mobile/parse_operators.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 void parseOperators(
     c10::ivalue::TupleElements&& ops_list,
@@ -27,6 +25,4 @@ void parseOperators(
       (module_load_options & MobileModuleLoadOptions::OPERATOR_CHECK));
 }
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/parse_operators.h

@@ -1,8 +1,7 @@
 #pragma once
 #include <torch/csrc/jit/mobile/function.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 using c10::IValue;
 
 enum MobileModuleLoadOptions {
@@ -23,5 +22,4 @@ TORCH_API void parseOperators(
     const uint64_t& module_load_options,
     mobile::Function* function);
 } // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/prim_ops_registery.cpp

@@ -1,8 +1,6 @@
 #include <torch/csrc/jit/mobile/prim_ops_registery.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 static std::unordered_map<std::string, std::function<void(Stack&)>>&
 primOpsFnTable() {
@@ -30,6 +28,4 @@ std::function<void(Stack&)>& getPrimOpsFn(const std::string& name) {
   return primOpsFnTable()[name];
 }
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/prim_ops_registery.h

@@ -4,9 +4,7 @@
 #include <functional>
 #include <vector>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 using Stack = std::vector<c10::IValue>;
 
@@ -27,6 +25,4 @@ class prim_op_fn_register {
   }
 };
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/profiler_edge.cpp

@@ -5,9 +5,7 @@
 #include <string>
 #include <vector>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 thread_local KinetoEdgeCPUProfiler* tls_edge_profiler{nullptr};
 
@@ -24,7 +22,7 @@ KinetoEdgeCPUProfiler::KinetoEdgeCPUProfiler(
     : m_(m), trace_file_name_(fname) {
   torch::profiler::impl::ExperimentalConfig experimental_config;
   // Enable hardware counters
-  if (events.size()) {
+  if (!events.empty()) {
     experimental_config.performance_events = std::move(events);
   }
 
@@ -138,6 +136,4 @@ KinetoEdgeCPUProfiler* getCurrentEdgeProfiler() {
   return tls_edge_profiler;
 }
 
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/profiler_edge.h

@@ -2,9 +2,7 @@
 #include <torch/csrc/autograd/profiler_kineto.h>
 #include <torch/csrc/jit/mobile/module.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 
 // If we dont have kineto available then edge profiler does not
 // work since it relies on Kineto
@@ -114,6 +112,4 @@ TORCH_API KinetoEdgeCPUProfiler* getCurrentEdgeProfiler();
 #define RECORD_BACKEND_MEMORY_EVENT_TO_EDGE_PROFILER( \
     ptr, alloc_size, total_allocated, total_reserved, device)
 #endif
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/promoted_prim_ops.cpp

@@ -1,7 +1,8 @@
 #include <ATen/ScalarOps.h>
+#include <fmt/format.h>
 #include <torch/csrc/jit/mobile/promoted_prim_ops.h>
-namespace torch {
-namespace jit {
+
+namespace torch::jit {
 
 void tupleIndex(Stack& stack) {
   int64_t index = pop(stack).toInt();
@@ -94,8 +95,8 @@ void device(Stack& stack) {
 
 void device_with_index(Stack& stack) {
   std::string type = pop(stack).toStringRef();
-  int index = pop(stack).toInt();
-  std::string device_str = type + ":" + std::to_string(index);
+  auto index = pop(stack).toInt();
+  std::string device_str = fmt::format("{}:{}", type, index);
   auto device = c10::Device(device_str);
   push(stack, device);
 }
@@ -220,8 +221,7 @@ void isCuda(Stack& stack) {
 }
 
 void numToTensorBool(Stack& stack) {
-  // NOLINTNEXTLINE(cppcoreguidelines-init-variables)
-  bool b;
+  bool b = false;
   pop(stack, b);
   push(stack, c10::scalar_to_tensor(b));
 }
@@ -260,5 +260,4 @@ static const C10_UNUSED std::array<mobile::prim_op_fn_register, 16> op_reg = {
     // mobile::prim_op_fn_register("aten::size", size)
 };
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/promoted_prim_ops.h

@@ -2,8 +2,7 @@
 #include <torch/csrc/jit/mobile/prim_ops_registery.h>
 #include <torch/csrc/jit/mobile/register_ops_common_utils.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 void tupleIndex(Stack& stack);
 
@@ -59,5 +58,4 @@ void dictIndex(Stack& stack);
 
 void raiseExceptionWithMessage(Stack& stack);
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/quantization.cpp

@@ -2,10 +2,7 @@
 #include <torch/csrc/jit/mobile/module.h>
 #include <torch/csrc/jit/mobile/quantization.h>
 
-namespace torch {
-namespace jit {
-namespace mobile {
-namespace quantization {
+namespace torch::jit::mobile::quantization {
 
 void PTQQuanizationHelper::quantize_dynamic(
     torch::jit::mobile::Module& m,
@@ -60,7 +57,4 @@ void PTQQuanizationHelper::quantize_dynamic(
   m.unsafeRemoveMethod(observe_method_name);
   m.unsafeRemoveMethod(reset_observers_method_name);
 }
-} // namespace quantization
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile::quantization

torch/csrc/jit/mobile/quantization.h

@@ -3,9 +3,7 @@
 #include <c10/macros/Export.h>
 #include <string>
 
-namespace torch {
-namespace jit {
-namespace mobile {
+namespace torch::jit::mobile {
 class Module;
 namespace quantization {
 /*
@@ -33,6 +31,4 @@ class TORCH_API PTQQuanizationHelper {
       const std::string& method_name);
 };
 } // namespace quantization
-} // namespace mobile
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit::mobile

torch/csrc/jit/mobile/register_ops_common_utils.cpp

@@ -2,8 +2,7 @@
 #include <ATen/core/type_factory.h>
 #include <torch/csrc/jit/mobile/register_ops_common_utils.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 int64_t normalizeIndex(int64_t idx, int64_t list_size) {
   if (idx < 0) {
@@ -99,5 +98,4 @@ IValue tensorToListRecursive(
   return result;
 }
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/register_ops_common_utils.h

@@ -7,8 +7,7 @@
 #include <torch/csrc/jit/runtime/jit_exception.h>
 #include <torch/csrc/jit/runtime/vararg_functions.h>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 inline void noop(Stack& n) {}
 
@@ -51,5 +50,4 @@ IValue tensorToListRecursive(
     at::IntArrayRef strides,
     size_t element_size);
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/type_parser.cpp

@@ -1,7 +1,5 @@
 #include <torch/csrc/jit/mobile/type_parser.h>
 
-#include <queue>
-
 #include <ATen/core/jit_type.h>
 #include <ATen/core/type_factory.h>
 #include <c10/util/string_view.h>
@@ -122,7 +120,7 @@ TypePtr TypeParser::parseNonSimple(const std::string& token) {
       }
     }
     expect("]");
-    return DynamicTypeFactory::create<TupleType>(std::move(types));
+    return DynamicTypeFactory::create<TupleType>(types);
   }
   return nullptr;
 }
@@ -186,7 +184,6 @@ TypePtr TypeParser::parse() {
 TypePtr TypeParser::parseNamedTuple(const std::string& qualified_name) {
   std::vector<c10::string_view> field_names;
   std::vector<TypePtr> field_types;
-  std::string ns;
   expect(",");
   expect("[");
   while (cur() != "]") {

torch/csrc/jit/mobile/upgrader_mobile.cpp

@@ -12,8 +12,7 @@ namespace c10 {
 TypePtr parseType(const std::string& pythonStr);
 } // namespace c10
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 
 // clang-format off
 
@@ -684,5 +683,4 @@ const std::vector<ByteCodeFunctionWithOperator>& getUpgraderBytecodeList() {
 
 // clang-format on
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/mobile/upgrader_mobile.h

@@ -11,8 +11,7 @@
 #include <unordered_map>
 #include <vector>
 
-namespace torch {
-namespace jit {
+namespace torch::jit {
 struct Instruction;
 struct Upgrader {
   int min_version;
@@ -39,5 +38,4 @@ struct ByteCodeFunctionWithOperator {
 TORCH_API const std::vector<ByteCodeFunctionWithOperator>&
 getUpgraderBytecodeList();
 
-} // namespace jit
-} // namespace torch
+} // namespace torch::jit

torch/csrc/jit/passes/device_type_analysis.cpp

@@ -159,7 +159,7 @@ struct DeviceTypePropagationPass : public PropertyPropBase {
   }
 
  private:
-  void propagateNode(Node* n, bool _ = false) override {
+  void propagateNode(Node* n, bool _ = true) override {
     GRAPH_DEBUG("processNode");
     switch (n->kind()) {
       case prim::If:

torch/csrc/jit/python/pybind_utils.cpp

@@ -748,14 +748,13 @@ py::object toPyObject(IValue ivalue) {
 
 std::pair<std::shared_ptr<Operator>, Stack> getOpWithStack(
     const std::vector<std::shared_ptr<Operator>>& operations,
-    py::args args,
+    const py::args& args,
     const py::kwargs& kwargs) {
   Stack stack;
   if (operations.size() == 1) {
     std::shared_ptr<Operator> op = operations.at(0);
     // Create a stack full of the arguments and keyword arguments.
-    stack = createStackForSchema(
-        op->schema(), std::move(args), kwargs, std::nullopt);
+    stack = createStackForSchema(op->schema(), args, kwargs, std::nullopt);
 
     return std::make_pair(std::move(op), std::move(stack));
   } else {
@@ -802,10 +801,10 @@ bool checkSchemaAllowFakeScriptObject(
 
 py::object invokeOperatorFromPython(
     const std::vector<std::shared_ptr<Operator>>& operations,
-    py::args args,
+    const py::args& args,
     const py::kwargs& kwargs,
     std::optional<c10::DispatchKey> dk) {
-  auto [found_op, stack] = getOpWithStack(operations, std::move(args), kwargs);
+  auto [found_op, stack] = getOpWithStack(operations, args, kwargs);
   {
     pybind11::gil_scoped_release no_gil_guard;
     if (dk) {

torch/csrc/jit/python/pybind_utils.h

@@ -1250,12 +1250,12 @@ inline py::object invokeScriptMethodFromPython(
 
 TORCH_PYTHON_API std::pair<std::shared_ptr<Operator>, Stack> getOpWithStack(
     const std::vector<std::shared_ptr<Operator>>& operations,
-    py::args args,
+    const py::args& args,
     const py::kwargs& kwargs);
 
 TORCH_PYTHON_API py::object invokeOperatorFromPython(
     const std::vector<std::shared_ptr<Operator>>& operations,
-    py::args args,
+    const py::args& args,
     const py::kwargs& kwargs,
     std::optional<c10::DispatchKey> dk = std::nullopt);
 

torch/csrc/jit/python/script_init.cpp

@@ -940,19 +940,19 @@ void initJitScriptBindings(PyObject* module) {
   special_magic_methods.emplace(
       "__str__",
       [](const Object& self,
-         py::args args,
+         const py::args& args,
          const py::kwargs& kwargs) -> py::object {
         auto method = self.find_method("__str__");
         if (!method) {
           return py::str("ScriptObject <" + self.type()->str() + ">");
         }
-        return invokeScriptMethodFromPython(*method, std::move(args), kwargs);
+        return invokeScriptMethodFromPython(*method, args, kwargs);
       });
 
   special_magic_methods.emplace(
       "__repr__",
       [](const Object& self,
-         py::args args,
+         const py::args& args,
          const py::kwargs& kwargs) -> py::object {
         auto method = self.find_method("__repr__");
         if (!method) {
@@ -960,7 +960,7 @@ void initJitScriptBindings(PyObject* module) {
           ss << std::hex << static_cast<const void*>(&self);
           return py::str("<torch.ScriptObject object at " + ss.str() + ">");
         }
-        return invokeScriptMethodFromPython(*method, std::move(args), kwargs);
+        return invokeScriptMethodFromPython(*method, args, kwargs);
       });
 
   for (const char* mm_name : magic_method_names) {
@@ -970,7 +970,9 @@ void initJitScriptBindings(PyObject* module) {
       object_class.def(
           mm_name,
           [mm_name](
-              const Object& self, py::args args, const py::kwargs& kwargs) {
+              const Object& self,
+              const py::args& args,
+              const py::kwargs& kwargs) {
             auto method = self.find_method(mm_name);
             if (!method) {
               std::string msg = fmt::format(
@@ -979,8 +981,7 @@ void initJitScriptBindings(PyObject* module) {
                   self.type()->str());
               throw c10::NotImplementedError(msg);
             }
-            return invokeScriptMethodFromPython(
-                *method, std::move(args), kwargs);
+            return invokeScriptMethodFromPython(*method, args, kwargs);
           });
     }
   }
@@ -1271,7 +1272,7 @@ void initJitScriptBindings(PyObject* module) {
               consts["c" + std::to_string(i)] = constant;
               i += 1;
             }
-            return std::make_tuple(pp.str(), consts);
+            return std::make_tuple(pp.str(), std::move(consts));
           })
       .def("apply", &Module::apply)
       .def("__copy__", &Module::copy)
@@ -1584,7 +1585,7 @@ void initJitScriptBindings(PyObject* module) {
               consts["c" + std::to_string(i)] = constant;
               i += 1;
             }
-            return std::make_tuple(pp.str(), consts);
+            return std::make_tuple(pp.str(), std::move(consts));
           })
       .def_property_readonly("owner", &Method::owner)
       .def_property_readonly("raw_owner", [](const Method& self) {

torch/csrc/utils/python_dispatch.cpp

@@ -222,11 +222,11 @@ static torch::_RegisterOrVerify register_or_verify() {
 
 static py::object ophandle_call_boxed(
     const c10::OperatorHandle& handle,
-    py::args args,
+    const py::args& args,
     const py::kwargs& kwargs) {
   auto stack = torch::jit::createStackForSchema(
       handle.schema(),
-      std::move(args),
+      args,
       kwargs,
       /*self=*/std::nullopt);
   {

torch/csrc/utils/throughput_benchmark.cpp

@@ -24,19 +24,19 @@ void ThroughputBenchmark::addInput(py::args args, py::kwargs kwargs) {
 }
 
 py::object ThroughputBenchmark::runOnce(
-    py::args&& args,
+    const py::args& args,
     const py::kwargs& kwargs) {
   CHECK(script_module_.initialized() ^ module_.initialized());
   if (script_module_.initialized()) {
     c10::IValue result;
     {
       pybind11::gil_scoped_release no_gil_guard;
-      result = script_module_.runOnce(std::move(args), kwargs);
+      result = script_module_.runOnce(args, kwargs);
     }
     return jit::toPyObject(std::move(result));
   } else {
     CHECK(module_.initialized());
-    return module_.runOnce(std::move(args), kwargs);
+    return module_.runOnce(args, kwargs);
   }
 }
 
@@ -75,12 +75,12 @@ void ScriptModuleBenchmark::runOnce(ScriptModuleInput&& input) const {
 
 template <>
 ScriptModuleOutput ScriptModuleBenchmark::runOnce(
-    py::args&& args,
+    const py::args& args,
     const py::kwargs& kwargs) const {
   CHECK(initialized_);
   auto& function = model_.get_method("forward").function();
   ScriptModuleInput stack = jit::createStackForSchema(
-      function.getSchema(), std::move(args), kwargs, model_._ivalue());
+      function.getSchema(), args, kwargs, model_._ivalue());
   return function(std::move(stack));
 }
 
@@ -92,8 +92,9 @@ void ModuleBenchmark::runOnce(ModuleInput&& input) const {
 }
 
 template <>
-ModuleOutput ModuleBenchmark::runOnce(py::args&& args, const py::kwargs& kwargs)
-    const {
+ModuleOutput ModuleBenchmark::runOnce(
+    const py::args& args,
+    const py::kwargs& kwargs) const {
   CHECK(initialized_);
   pybind11::gil_scoped_acquire gil_guard;
   return model_(*args, **kwargs);
@@ -103,7 +104,7 @@ template <>
 void ScriptModuleBenchmark::addInput(py::args&& args, py::kwargs&& kwargs) {
   jit::Stack stack = jit::createStackForSchema(
       model_.get_method("forward").function().getSchema(),
-      std::move(args),
+      args,
       kwargs,
       model_._ivalue());
   inputs_.emplace_back(std::move(stack));

torch/csrc/utils/throughput_benchmark.h

@@ -79,7 +79,7 @@ class BenchmarkHelper {
   // would race with Python
   void runOnce(Input&&) const;
   // This method is to be used when calling from Python directly
-  Output runOnce(py::args&&, const py::kwargs&) const;
+  Output runOnce(const py::args&, const py::kwargs&) const;
   // Aggregate input in the format Model expects in order to avoid further
   // conversions at the benchmark time
   void addInput(py::args&&, py::kwargs&&);
@@ -134,15 +134,16 @@ void ScriptModuleBenchmark::runOnce(ScriptModuleInput&& input) const;
 
 template <>
 ScriptModuleOutput ScriptModuleBenchmark::runOnce(
-    py::args&& args,
+    const py::args& args,
     const py::kwargs& kwargs) const;
 
 template <>
 void ModuleBenchmark::runOnce(ModuleInput&& input) const;
 
 template <>
-ModuleOutput ModuleBenchmark::runOnce(py::args&& args, const py::kwargs& kwargs)
-    const;
+ModuleOutput ModuleBenchmark::runOnce(
+    const py::args& args,
+    const py::kwargs& kwargs) const;
 
 template <>
 void ScriptModuleBenchmark::addInput(py::args&& args, py::kwargs&& kwargs);
@@ -180,7 +181,7 @@ class C10_HIDDEN ThroughputBenchmark {
   void addInput(py::args args, py::kwargs kwargs);
 
   // Equivalent to just running the model directly on the given input
-  py::object runOnce(py::args&& args, const py::kwargs& kwargs);
+  py::object runOnce(const py::args& args, const py::kwargs& kwargs);
 
   // The main method of the class allows to perform a multi-threaded benchmark
   // It returns BenchmarkExecutionStats object with a lot of useful statistics