Replace std::runtime_error with TORCH_CHECK (#159344)

Fixes part of #148114

Pull Request resolved: https://github.com/pytorch/pytorch/pull/159344
Approved by: https://github.com/cyyever, https://github.com/albanD

torch/csrc/DataLoader.cpp

@@ -62,7 +62,7 @@ static void setSignalHandler(
     std::ostringstream oss;
     oss << "An error occurred while setting handler for " << strsignal(signal)
         << ".";
-    throw std::runtime_error(oss.str());
+    TORCH_CHECK(false, oss.str());
   }
 }
 
@@ -141,29 +141,32 @@ static PyObject* THPModule_errorIfAnyWorkerFails(
         continue;
       if (infop.si_code == CLD_EXITED &&
           infop.si_status != EXIT_SUCCESS) { // exit with error
-        std::ostringstream oss;
+        auto error_msg = fmt::format(
-        oss << "DataLoader worker (pid " << worker_pid << ") exited "
+            "DataLoader worker (pid {}) exited unexpectedly with exit code {}. "
-            << "unexpectedly with exit code " << infop.si_status << ". "
+            "Details are lost due to multiprocessing. Rerunning with "
-            << "Details are lost due to multiprocessing. Rerunning with "
+            "num_workers=0 may give better error trace.",
-            << "num_workers=0 may give better error trace.";
+            worker_pid,
+            infop.si_status);
         // This is necessary. Otherwise, the runtime error will kill the other
         // workers, and trigger this again.
         pid_set.clear();
-        throw std::runtime_error(oss.str());
+        TORCH_CHECK(false, error_msg);
       } else if (
           infop.si_code == CLD_KILLED ||
           infop.si_code == CLD_DUMPED) { // killed by signal
-        std::ostringstream oss;
+        auto error_msg = fmt::format(
-        oss << "DataLoader worker (pid " << worker_pid << ") is killed "
+            "DataLoader worker (pid {}) is killed by signal: {}. ",
-            << "by signal: " << strsignal(infop.si_status) << ". ";
+            worker_pid,
+            strsignal(infop.si_status));
         if (infop.si_status == SIGBUS) {
-          oss << "It is possible that dataloader's workers are out of shared memory. "
+          error_msg +=
-              << "Please try to raise your shared memory limit.";
+              "It is possible that dataloader's workers are out of shared memory. "
+              "Please try to raise your shared memory limit.";
         }
         // This is necessary. Otherwise, the runtime error will kill the other
         // workers, and trigger this again.
         pid_set.clear();
-        throw std::runtime_error(oss.str());
+        TORCH_CHECK(false, error_msg);
       }
     }
   }

torch/csrc/Device.cpp

@@ -67,7 +67,8 @@ static PyObject* THPDevice_pynew(
     auto as_device = r.device(0); // this works, because device can take strings
     if (as_device.has_index()) {
       auto device_type = r.string(0);
-      throw std::runtime_error(
+      TORCH_CHECK(
+          false,
           "type (string) must not include an index because index "
           "was passed explicitly: " +
               device_type);

torch/csrc/utils/generated_serialization_types.h

@@ -10,6 +10,7 @@
 #include <unordered_map>
 #include <variant>
 #include <vector>
+#include <c10/util/Exception.h>
 
 #include <nlohmann/json.hpp>
 
@@ -190,7 +191,7 @@ inline std::string_view printEnum(const ArgumentKind& e) {
     case ArgumentKind::POSITIONAL: return "POSITIONAL";
     case ArgumentKind::KEYWORD: return "KEYWORD";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -198,7 +199,7 @@ inline void parseEnum(std::string_view s, ArgumentKind& t) {
   if (s == "UNKNOWN") { t = ArgumentKind::UNKNOWN; return; }
   if (s == "POSITIONAL") { t = ArgumentKind::POSITIONAL; return; }
   if (s == "KEYWORD") { t = ArgumentKind::KEYWORD; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 enum class Layout {
@@ -223,7 +224,7 @@ inline std::string_view printEnum(const Layout& e) {
     case Layout::_mkldnn: return "_mkldnn";
     case Layout::Strided: return "Strided";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -236,7 +237,7 @@ inline void parseEnum(std::string_view s, Layout& t) {
   if (s == "SparseBsc") { t = Layout::SparseBsc; return; }
   if (s == "_mkldnn") { t = Layout::_mkldnn; return; }
   if (s == "Strided") { t = Layout::Strided; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 enum class MemoryFormat {
@@ -255,7 +256,7 @@ inline std::string_view printEnum(const MemoryFormat& e) {
     case MemoryFormat::ChannelsLast3d: return "ChannelsLast3d";
     case MemoryFormat::PreserveFormat: return "PreserveFormat";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -265,7 +266,7 @@ inline void parseEnum(std::string_view s, MemoryFormat& t) {
   if (s == "ChannelsLast") { t = MemoryFormat::ChannelsLast; return; }
   if (s == "ChannelsLast3d") { t = MemoryFormat::ChannelsLast3d; return; }
   if (s == "PreserveFormat") { t = MemoryFormat::PreserveFormat; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 enum class ScalarType {
@@ -312,7 +313,7 @@ inline std::string_view printEnum(const ScalarType& e) {
     case ScalarType::FLOAT8E4M3FNUZ: return "FLOAT8E4M3FNUZ";
     case ScalarType::FLOAT8E5M2FNUZ: return "FLOAT8E5M2FNUZ";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -336,7 +337,7 @@ inline void parseEnum(std::string_view s, ScalarType& t) {
   if (s == "FLOAT8E5M2") { t = ScalarType::FLOAT8E5M2; return; }
   if (s == "FLOAT8E4M3FNUZ") { t = ScalarType::FLOAT8E4M3FNUZ; return; }
   if (s == "FLOAT8E5M2FNUZ") { t = ScalarType::FLOAT8E5M2FNUZ; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -453,7 +454,7 @@ inline std::string_view printEnum(const SymExprHint::Tag& e) {
     case SymExprHint::Tag::AS_BOOL: return "AS_BOOL";
     case SymExprHint::Tag::AS_FLOAT: return "AS_FLOAT";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -461,7 +462,7 @@ inline void parseEnum(std::string_view s, SymExprHint::Tag& t) {
   if (s == "AS_INT") { t = SymExprHint::Tag::AS_INT; return; }
   if (s == "AS_BOOL") { t = SymExprHint::Tag::AS_BOOL; return; }
   if (s == "AS_FLOAT") { t = SymExprHint::Tag::AS_FLOAT; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -559,14 +560,14 @@ inline std::string_view printEnum(const SymInt::Tag& e) {
     case SymInt::Tag::AS_EXPR: return "AS_EXPR";
     case SymInt::Tag::AS_INT: return "AS_INT";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
 inline void parseEnum(std::string_view s, SymInt::Tag& t) {
   if (s == "AS_EXPR") { t = SymInt::Tag::AS_EXPR; return; }
   if (s == "AS_INT") { t = SymInt::Tag::AS_INT; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -637,14 +638,14 @@ inline std::string_view printEnum(const SymFloat::Tag& e) {
     case SymFloat::Tag::AS_EXPR: return "AS_EXPR";
     case SymFloat::Tag::AS_FLOAT: return "AS_FLOAT";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
 inline void parseEnum(std::string_view s, SymFloat::Tag& t) {
   if (s == "AS_EXPR") { t = SymFloat::Tag::AS_EXPR; return; }
   if (s == "AS_FLOAT") { t = SymFloat::Tag::AS_FLOAT; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -715,14 +716,14 @@ inline std::string_view printEnum(const SymBool::Tag& e) {
     case SymBool::Tag::AS_EXPR: return "AS_EXPR";
     case SymBool::Tag::AS_BOOL: return "AS_BOOL";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
 inline void parseEnum(std::string_view s, SymBool::Tag& t) {
   if (s == "AS_EXPR") { t = SymBool::Tag::AS_EXPR; return; }
   if (s == "AS_BOOL") { t = SymBool::Tag::AS_BOOL; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -865,14 +866,14 @@ inline std::string_view printEnum(const SymIntArgument::Tag& e) {
     case SymIntArgument::Tag::AS_NAME: return "AS_NAME";
     case SymIntArgument::Tag::AS_INT: return "AS_INT";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
 inline void parseEnum(std::string_view s, SymIntArgument::Tag& t) {
   if (s == "AS_NAME") { t = SymIntArgument::Tag::AS_NAME; return; }
   if (s == "AS_INT") { t = SymIntArgument::Tag::AS_INT; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -943,14 +944,14 @@ inline std::string_view printEnum(const SymFloatArgument::Tag& e) {
     case SymFloatArgument::Tag::AS_NAME: return "AS_NAME";
     case SymFloatArgument::Tag::AS_FLOAT: return "AS_FLOAT";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
 inline void parseEnum(std::string_view s, SymFloatArgument::Tag& t) {
   if (s == "AS_NAME") { t = SymFloatArgument::Tag::AS_NAME; return; }
   if (s == "AS_FLOAT") { t = SymFloatArgument::Tag::AS_FLOAT; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -1021,14 +1022,14 @@ inline std::string_view printEnum(const SymBoolArgument::Tag& e) {
     case SymBoolArgument::Tag::AS_NAME: return "AS_NAME";
     case SymBoolArgument::Tag::AS_BOOL: return "AS_BOOL";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
 inline void parseEnum(std::string_view s, SymBoolArgument::Tag& t) {
   if (s == "AS_NAME") { t = SymBoolArgument::Tag::AS_NAME; return; }
   if (s == "AS_BOOL") { t = SymBoolArgument::Tag::AS_BOOL; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -1135,14 +1136,14 @@ inline std::string_view printEnum(const OptionalTensorArgument::Tag& e) {
     case OptionalTensorArgument::Tag::AS_TENSOR: return "AS_TENSOR";
     case OptionalTensorArgument::Tag::AS_NONE: return "AS_NONE";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
 inline void parseEnum(std::string_view s, OptionalTensorArgument::Tag& t) {
   if (s == "AS_TENSOR") { t = OptionalTensorArgument::Tag::AS_TENSOR; return; }
   if (s == "AS_NONE") { t = OptionalTensorArgument::Tag::AS_NONE; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -1769,7 +1770,7 @@ inline std::string_view printEnum(const Argument::Tag& e) {
     case Argument::Tag::AS_OPTIONAL_TENSOR: return "AS_OPTIONAL_TENSOR";
     case Argument::Tag::AS_COMPLEX: return "AS_COMPLEX";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -1801,7 +1802,7 @@ inline void parseEnum(std::string_view s, Argument::Tag& t) {
   if (s == "AS_SYM_FLOATS") { t = Argument::Tag::AS_SYM_FLOATS; return; }
   if (s == "AS_OPTIONAL_TENSOR") { t = Argument::Tag::AS_OPTIONAL_TENSOR; return; }
   if (s == "AS_COMPLEX") { t = Argument::Tag::AS_COMPLEX; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -2127,7 +2128,7 @@ inline std::string_view printEnum(const ConstantValue::Tag& e) {
     case ConstantValue::Tag::AS_STRING: return "AS_STRING";
     case ConstantValue::Tag::AS_BOOL: return "AS_BOOL";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -2137,7 +2138,7 @@ inline void parseEnum(std::string_view s, ConstantValue::Tag& t) {
   if (s == "AS_FLOAT") { t = ConstantValue::Tag::AS_FLOAT; return; }
   if (s == "AS_STRING") { t = ConstantValue::Tag::AS_STRING; return; }
   if (s == "AS_BOOL") { t = ConstantValue::Tag::AS_BOOL; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -2465,7 +2466,7 @@ inline std::string_view printEnum(const InputSpec::Tag& e) {
     case InputSpec::Tag::TOKEN: return "TOKEN";
     case InputSpec::Tag::CONSTANT_INPUT: return "CONSTANT_INPUT";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -2477,7 +2478,7 @@ inline void parseEnum(std::string_view s, InputSpec::Tag& t) {
   if (s == "CUSTOM_OBJ") { t = InputSpec::Tag::CUSTOM_OBJ; return; }
   if (s == "TOKEN") { t = InputSpec::Tag::TOKEN; return; }
   if (s == "CONSTANT_INPUT") { t = InputSpec::Tag::CONSTANT_INPUT; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 
@@ -2851,7 +2852,7 @@ inline std::string_view printEnum(const OutputSpec::Tag& e) {
     case OutputSpec::Tag::TOKEN: return "TOKEN";
     case OutputSpec::Tag::PARAMETER_MUTATION: return "PARAMETER_MUTATION";
     default:
-      throw std::runtime_error("Unknown enum value");
+      TORCH_CHECK(false, "Unknown enum value");
   }
 }
 
@@ -2864,7 +2865,7 @@ inline void parseEnum(std::string_view s, OutputSpec::Tag& t) {
   if (s == "USER_INPUT_MUTATION") { t = OutputSpec::Tag::USER_INPUT_MUTATION; return; }
   if (s == "TOKEN") { t = OutputSpec::Tag::TOKEN; return; }
   if (s == "PARAMETER_MUTATION") { t = OutputSpec::Tag::PARAMETER_MUTATION; return; }
-  throw std::runtime_error("Unknown enum value: " + std::string{s});
+  TORCH_CHECK(false, "Unknown enum value: " + std::string{s});
 }
 
 

torch/csrc/utils/python_arg_parser.cpp

@@ -131,9 +131,8 @@ FunctionParameter::FunctionParameter(const std::string& fmt, bool keyword_only)
       size(0),
       default_scalar(0) {
   auto space = fmt.find(' ');
-  if (space == std::string::npos) {
+  TORCH_CHECK(
-    throw std::runtime_error("FunctionParameter(): missing type: " + fmt);
+      space != std::string::npos, "FunctionParameter(): missing type: " + fmt);
-  }
 
   auto type_str = fmt.substr(0, space);
 
@@ -154,10 +153,9 @@ FunctionParameter::FunctionParameter(const std::string& fmt, bool keyword_only)
 
   auto name_str = fmt.substr(space + 1);
   auto it = type_map.find(type_str);
-  if (it == type_map.end()) {
+  TORCH_CHECK(
-    throw std::runtime_error(
+      it != type_map.end(),
       "FunctionParameter(): invalid type string: " + type_str);
-  }
   type_ = it->second;
 
   auto eq = name_str.find('=');
@@ -1145,7 +1143,7 @@ auto FunctionParameter::_check(
     case ParameterType::DISPATCH_KEY_SET:
       return py::isinstance<c10::DispatchKeySet>(py::handle(obj));
     default:
-      throw std::runtime_error("unknown parameter type");
+      TORCH_CHECK(false, "unknown parameter type");
   }
 }
 
@@ -1202,7 +1200,7 @@ std::string FunctionParameter::type_name() const {
     case ParameterType::DISPATCH_KEY_SET:
       return "DispatchKeySet";
     default:
-      throw std::runtime_error("unknown parameter type");
+      TORCH_CHECK(false, "unknown parameter type");
   }
 }
 
@@ -1324,10 +1322,8 @@ void FunctionParameter::set_default_str(const std::string& str) {
   }
   if (type_ == ParameterType::TENSOR ||
       type_ == ParameterType::DISPATCH_KEY_SET) {
-    if (str != "None") {
+    TORCH_CHECK(
-      throw std::runtime_error(
+        str == "None", "default value for Tensor must be none, got: " + str);
-          "default value for Tensor must be none, got: " + str);
-    }
   } else if (type_ == ParameterType::INT64 || type_ == ParameterType::SYM_INT) {
     default_int = atol(str.c_str());
   } else if (type_ == ParameterType::BOOL) {
@@ -1351,16 +1347,14 @@ void FunctionParameter::set_default_str(const std::string& str) {
       default_intlist = parse_intlist_args(str, size);
     }
   } else if (type_ == ParameterType::FLOAT_LIST) {
-    if (str != "None") {
+    TORCH_CHECK(str == "None", "Defaults not supported for float[]");
-      throw std::runtime_error("Defaults not supported for float[]");
-    }
   } else if (type_ == ParameterType::SCALARTYPE) {
     if (str == "None") {
       default_scalartype = at::ScalarType::Undefined;
     } else if (str == "torch.int64") {
       default_scalartype = at::ScalarType::Long;
     } else {
-      throw std::runtime_error("invalid default value for ScalarType: " + str);
+      TORCH_CHECK(false, "invalid default value for ScalarType: " + str);
     }
   } else if (type_ == ParameterType::LAYOUT) {
     if (str == "None") {
@@ -1370,16 +1364,12 @@ void FunctionParameter::set_default_str(const std::string& str) {
     } else if (str == "torch.sparse_coo") {
       default_layout = at::Layout::Sparse;
     } else {
-      throw std::runtime_error("invalid default value for layout: " + str);
+      TORCH_CHECK(false, "invalid default value for layout: " + str);
     }
   } else if (type_ == ParameterType::DEVICE) {
-    if (str != "None") {
+    TORCH_CHECK(str == "None", "invalid device: " + str);
-      throw std::runtime_error("invalid device: " + str);
-    }
   } else if (type_ == ParameterType::STREAM) {
-    if (str != "None") {
+    TORCH_CHECK(str == "None", "invalid stream: " + str);
-      throw std::runtime_error("invalid stream: " + str);
-    }
   } else if (type_ == ParameterType::STRING) {
     if (str != "None") {
       default_string = parse_string_literal(str);
@@ -1408,7 +1398,7 @@ void FunctionParameter::set_default_str(const std::string& str) {
   } else if (type_ == ParameterType::QSCHEME) { // NOLINT
     // throw std::runtime_error("ParameterType::QSCHEME");
   } else {
-    throw std::runtime_error("unknown parameter type");
+    TORCH_CHECK(false, "unknown parameter type");
   }
   default_value = str;
 }
@@ -1423,7 +1413,7 @@ FunctionSignature::FunctionSignature(const std::string& fmt, int index)
       deprecated(false) {
   auto open_paren = fmt.find('(');
   if (open_paren == std::string::npos) {
-    throw std::runtime_error("missing opening parenthesis: " + fmt);
+    TORCH_CHECK(false, "missing opening parenthesis: " + fmt);
   }
   name = fmt.substr(0, open_paren);
 
@@ -1445,12 +1435,9 @@ FunctionSignature::FunctionSignature(const std::string& fmt, int index)
         break;
       }
     }
-    if (offset == std::string::npos) {
+    TORCH_CHECK(
-      throw std::runtime_error("missing closing parenthesis: " + fmt);
+        offset != std::string::npos, "missing closing parenthesis: " + fmt);
-    }
+    TORCH_CHECK(offset != last_offset, "malformed signature: " + fmt);
-    if (offset == last_offset) {
-      throw std::runtime_error("malformed signature: " + fmt);
-    }
 
     auto param_str = fmt.substr(last_offset, offset - last_offset);
     last_offset = next_offset;

torch/csrc/utils/python_numbers.h

@@ -120,7 +120,7 @@ inline bool THPUtils_unpackBool(PyObject* obj) {
   } else if (obj == Py_False) {
     return false;
   } else {
-    throw std::runtime_error("couldn't convert python object to boolean");
+    TORCH_CHECK(false, "couldn't convert python object to boolean");
   }
 }
 
@@ -199,13 +199,11 @@ inline c10::DeviceIndex THPUtils_unpackDeviceIndex(PyObject* obj) {
   if (value == -1 && PyErr_Occurred()) {
     throw python_error();
   }
-  if (overflow != 0) {
+  TORCH_CHECK(overflow == 0, "Overflow when unpacking DeviceIndex");
-    throw std::runtime_error("Overflow when unpacking DeviceIndex");
+  TORCH_CHECK(
-  }
+      value <= std::numeric_limits<c10::DeviceIndex>::max() &&
-  if (value > std::numeric_limits<c10::DeviceIndex>::max() ||
+          value >= std::numeric_limits<c10::DeviceIndex>::min(),
-      value < std::numeric_limits<c10::DeviceIndex>::min()) {
+      "Overflow when unpacking DeviceIndex");
-    throw std::runtime_error("Overflow when unpacking DeviceIndex");
-  }
   return (c10::DeviceIndex)value;
 }
 

torch/csrc/utils/python_scalars.h

@@ -101,7 +101,7 @@ inline void store_scalar(void* data, at::ScalarType scalarType, PyObject* obj) {
           at::convert<at::Float8_e8m0fnu, double>(THPUtils_unpackDouble(obj));
       break;
     default:
-      throw std::runtime_error("store_scalar: invalid type");
+      TORCH_CHECK(false, "store_scalar: invalid type");
   }
 }
 
@@ -165,7 +165,7 @@ inline PyObject* load_scalar(const void* data, at::ScalarType scalarType) {
       return PyFloat_FromDouble(
           at::convert<double, at::Float8_e8m0fnu>(*(at::Float8_e8m0fnu*)data));
     default:
-      throw std::runtime_error("load_scalar: invalid type");
+      TORCH_CHECK(false, "load_scalar: invalid type");
   }
 }
 

torch/csrc/utils/python_strings.h

@@ -26,12 +26,10 @@ inline std::string THPUtils_unpackString(PyObject* obj) {
   if (PyUnicode_Check(obj)) {
     Py_ssize_t size = 0;
     const char* data = PyUnicode_AsUTF8AndSize(obj, &size);
-    if (!data) {
+    TORCH_CHECK(data, "error unpacking string as utf-8");
-      throw std::runtime_error("error unpacking string as utf-8");
-    }
     return std::string(data, (size_t)size);
   }
-  throw std::runtime_error("unpackString: expected bytes or unicode object");
+  TORCH_CHECK(false, "unpackString: expected bytes or unicode object");
 }
 
 // Unpacks PyBytes (PyString) or PyUnicode as std::string_view
@@ -50,12 +48,10 @@ inline std::string_view THPUtils_unpackStringView(PyObject* obj) {
   if (PyUnicode_Check(obj)) {
     Py_ssize_t size = 0;
     const char* data = PyUnicode_AsUTF8AndSize(obj, &size);
-    if (!data) {
+    TORCH_CHECK(data, "error unpacking string as utf-8");
-      throw std::runtime_error("error unpacking string as utf-8");
-    }
     return std::string_view(data, (size_t)size);
   }
-  throw std::runtime_error("unpackString: expected bytes or unicode object");
+  TORCH_CHECK(false, "unpackString: expected bytes or unicode object");
 }
 
 inline PyObject* THPUtils_packString(const char* str) {

torch/csrc/utils/tensor_new.cpp

@@ -689,7 +689,7 @@ Tensor legacy_sparse_tensor_generic_ctor_new(
     return new_with_sizes(
         options, scalar_type, deviceOptional, r.symintlist(0));
   }
-  throw std::runtime_error("new(): invalid arguments");
+  TORCH_CHECK(false, "new(): invalid arguments");
 }
 
 // NB: device_idx here is NOT a DeviceIndex, but index into PythonArgs
@@ -808,7 +808,7 @@ static Tensor legacy_tensor_generic_ctor_new(
     return legacy_new_from_sequence(
         options, scalar_type, deviceOptional, r.pyobject(0));
   }
-  throw std::runtime_error("new(): invalid arguments");
+  TORCH_CHECK(false, "new(): invalid arguments");
 }
 
 // Handles ONLY torch.Tensor
@@ -1072,7 +1072,7 @@ static Tensor sparse_compressed_tensor_ctor_worker(
                values.options().layout(layout).pinned_memory(pin_memory))
         .set_requires_grad(r.toBool(ARG_REQUIRES_GRAD1));
   }
-  throw std::runtime_error(name + ": invalid arguments");
+  TORCH_CHECK(false, name + ": invalid arguments");
 }
 
 Tensor sparse_compressed_tensor_ctor(
@@ -1274,7 +1274,7 @@ Tensor sparse_coo_tensor_ctor(
                inferred_options.dtype(inferred_scalar_type).layout(at::kSparse))
         .set_requires_grad(r.toBool(ARG_REQUIRES_GRAD2));
   }
-  throw std::runtime_error("sparse_coo_tensor(): invalid arguments");
+  TORCH_CHECK(false, "sparse_coo_tensor(): invalid arguments");
 }
 
 void _validate_sparse_coo_tensor_args(
@@ -1504,7 +1504,7 @@ Tensor tensor_ctor(
     new_tensor.set_requires_grad(args_requires_grad);
     return new_tensor;
   }
-  throw std::runtime_error("tensor(): invalid arguments");
+  TORCH_CHECK(false, "tensor(): invalid arguments");
 }
 
 Tensor as_tensor(
@@ -1523,7 +1523,7 @@ Tensor as_tensor(
         /*copy_numpy=*/false,
         /*type_inference=*/type_inference);
   }
-  throw std::runtime_error("tensor(): invalid arguments");
+  TORCH_CHECK(false, "tensor(): invalid arguments");
 }
 
 Tensor new_tensor(
@@ -1561,7 +1561,7 @@ Tensor new_tensor(
     new_tensor.set_requires_grad(args_requires_grad);
     return new_tensor;
   }
-  throw std::runtime_error("new_tensor(): invalid arguments");
+  TORCH_CHECK(false, "new_tensor(): invalid arguments");
 }
 
 Tensor tensor_frombuffer(

torch/csrc/utils/tensor_numpy.cpp

@@ -9,32 +9,32 @@
 
 namespace torch::utils {
 PyObject* tensor_to_numpy(const at::Tensor&, bool) {
-  throw std::runtime_error("PyTorch was compiled without NumPy support");
+  TORCH_CHECK(false, "PyTorch was compiled without NumPy support");
 }
 at::Tensor tensor_from_numpy(
     PyObject* obj,
     bool warn_if_not_writeable /*=true*/) {
-  throw std::runtime_error("PyTorch was compiled without NumPy support");
+  TORCH_CHECK(false, "PyTorch was compiled without NumPy support");
 }
 
 bool is_numpy_available() {
-  throw std::runtime_error("PyTorch was compiled without NumPy support");
+  TORCH_CHECK(false, "PyTorch was compiled without NumPy support");
 }
 
 bool is_numpy_int(PyObject* obj) {
-  throw std::runtime_error("PyTorch was compiled without NumPy support");
+  TORCH_CHECK(false, "PyTorch was compiled without NumPy support");
 }
 bool is_numpy_scalar(PyObject* obj) {
-  throw std::runtime_error("PyTorch was compiled without NumPy support");
+  TORCH_CHECK(false, "PyTorch was compiled without NumPy support");
 }
 at::Tensor tensor_from_cuda_array_interface(
     PyObject* obj,
     std::optional<c10::Device> device_opt) {
-  throw std::runtime_error("PyTorch was compiled without NumPy support");
+  TORCH_CHECK(false, "PyTorch was compiled without NumPy support");
 }
 
 void warn_numpy_not_writeable() {
-  throw std::runtime_error("PyTorch was compiled without NumPy support");
+  TORCH_CHECK(false, "PyTorch was compiled without NumPy support");
 }
 
 // No-op stubs.
@@ -215,9 +215,7 @@ void warn_numpy_not_writeable() {
 at::Tensor tensor_from_numpy(
     PyObject* obj,
     bool warn_if_not_writeable /*=true*/) {
-  if (!is_numpy_available()) {
+  TORCH_CHECK(is_numpy_available(), "Numpy is not available");
-    throw std::runtime_error("Numpy is not available");
-  }
   TORCH_CHECK_TYPE(
       PyArray_Check(obj),
       "expected np.ndarray (got ",
@@ -385,9 +383,7 @@ bool is_numpy_scalar(PyObject* obj) {
 at::Tensor tensor_from_cuda_array_interface(
     PyObject* obj,
     std::optional<c10::Device> device_opt) {
-  if (!is_numpy_available()) {
+  TORCH_CHECK(is_numpy_available(), "Numpy is not available");
-    throw std::runtime_error("Numpy is not available");
-  }
   auto cuda_dict =
       THPObjectPtr(PyObject_GetAttrString(obj, "__cuda_array_interface__"));
   TORCH_INTERNAL_ASSERT(cuda_dict);