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concrete_module_type.cpp
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concrete_module_type.cpp
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#include <torch/csrc/jit/frontend/concrete_module_type.h>
#include <c10/util/irange.h>
#include <torch/csrc/jit/python/pybind_utils.h>
namespace torch {
namespace jit {
ClassTypePtr ConcreteModuleTypeBuilder::createTypeFromThis() const {
auto cu = get_python_cu();
py::object pyQualName = py::module::import("torch._jit_internal")
.attr("_qualified_name")(pyClass_);
auto className = c10::QualifiedName(py::cast<std::string>(pyQualName));
if (className.prefix().empty()) {
className = c10::QualifiedName("__torch__", className.name());
}
if (cu->get_class(className) != nullptr) {
className = cu->mangle(className);
}
auto cls = ClassType::create(std::move(className), cu, /*is_module=*/true);
cu->register_type(cls);
// populate type with info from the concrete type information
for (const auto& pr : attributes_) {
const auto& name = pr.key();
const auto& type = pr.value().type_;
const auto& isParameter = pr.value().isParam_;
const auto& isBuffer = pr.value().isBuffer_;
cls->addAttribute(name, type, isParameter, isBuffer);
}
for (const auto& pr : constants_) {
cls->addConstant(pr.first, pr.second);
}
for (const auto& moduleInfo : modules_) {
cls->addAttribute(
moduleInfo.name_,
moduleInfo.meta_->getJitType(),
/*is_parameter=*/false);
}
return cls;
}
std::shared_ptr<ConcreteModuleType> ConcreteModuleType::fromJitType(
TypePtr type) {
ConcreteModuleTypeBuilder builder;
builder.setPoisoned();
// `type` should either be a module interface or a class type
if (auto interface = type->cast<InterfaceType>()) {
TORCH_INTERNAL_ASSERT(interface->is_module());
} else {
const auto classType = type->expect<ClassType>();
// Populate the builder metadata from the JIT type. This is to ensure
// ConcreteModuleTypes produced from Python and ones produced from a JIT
// type directly behave the same to the rest of the system.
for (const auto i : c10::irange(classType->numAttributes())) {
const auto& attrName = classType->getAttributeName(i);
const auto& attrType = classType->getAttribute(i);
if (attrType->is_module()) {
builder.addModule(attrName, ConcreteModuleType::fromJitType(attrType));
} else {
builder.addAttribute(
attrName,
attrType,
classType->is_parameter(i),
classType->is_buffer(i));
}
}
for (const auto i : c10::irange(classType->numConstants())) {
builder.addConstant(
classType->getConstantName(i), classType->getConstant(i));
}
}
// Not make_shared because the constructor is private.
auto ret = std::shared_ptr<ConcreteModuleType>(new ConcreteModuleType());
ret->jitType_ = std::move(type);
ret->data_ = builder;
return ret;
}
ConcreteModuleType::ConcreteModuleType(ConcreteModuleTypeBuilder data)
: data_(std::move(data)) {
jitType_ = data_.createTypeFromThis();
}
bool operator==(
const ConcreteModuleTypeBuilder::ModuleInfo& lhs,
const ConcreteModuleTypeBuilder::ModuleInfo& rhs) {
return lhs.name_ == rhs.name_ && lhs.meta_->equals(*rhs.meta_);
}
bool ConcreteModuleTypeBuilder::equals(
const ConcreteModuleTypeBuilder& other) const {
if (isPoisoned_ || other.isPoisoned_) {
return false;
}
// clang-format off
// These are vaguely ordered so that cheap, discriminating checks happen first.
bool equal =
pyClass_.is(other.pyClass_) &&
iterableModuleKind_ == other.iterableModuleKind_ &&
ignoredAttributes_ == other.ignoredAttributes_ &&
constants_ == other.constants_ &&
attributes_ == other.attributes_ &&
overloads_ == other.overloads_ &&
functionAttributes_ == other.functionAttributes_ &&
builtinFunctions_ == other.builtinFunctions_ &&
forwardHooks_ == other.forwardHooks_ &&
forwardPreHooks_ == other.forwardPreHooks_;
// clang-format on
if (!equal) {
return false;
}
// We store modules in order of insertion (to make compilation
// deterministic). However, for the purposes of equality, insertion order
// should not matter, so sort them by name.
// We put this check last because it involves the most work.
auto thisSorted = modules_;
std::sort(
thisSorted.begin(),
thisSorted.end(),
[](const ModuleInfo& a, const ModuleInfo& b) {
return a.name_ < b.name_;
});
auto otherSorted = other.modules_;
std::sort(
otherSorted.begin(),
otherSorted.end(),
[](const ModuleInfo& a, const ModuleInfo& b) {
return a.name_ < b.name_;
});
return thisSorted == otherSorted;
}
TypePtr ConcreteModuleType::getJitType() const {
return jitType_;
}
c10::optional<py::object> ConcreteModuleType::getPyClass() const {
if (!data_.pyClass_) {
return c10::nullopt;
}
return data_.pyClass_;
}
c10::optional<std::vector<std::string>> ConcreteModuleType::findOverloads(
const std::string& name) const {
const auto it = data_.overloads_.find(name);
if (it != data_.overloads_.end()) {
return it->second;
}
return c10::nullopt;
}
c10::optional<Function*> ConcreteModuleType::findFunctionAttribute(
const std::string& name) const {
const auto it = data_.functionAttributes_.find(name);
if (it != data_.functionAttributes_.end()) {
return it->second.function_->function();
}
return c10::nullopt;
}
c10::optional<c10::Symbol> ConcreteModuleType::findBuiltinFunction(
const std::string& name) const {
const auto it = data_.builtinFunctions_.find(name);
if (it != data_.builtinFunctions_.end()) {
return it->second;
}
return c10::nullopt;
}
c10::optional<std::string> ConcreteModuleType::findFailedAttribute(
const std::string& name) const {
const auto it = data_.failedAttributes_.find(name);
if (it != data_.failedAttributes_.end()) {
return it->second;
}
return c10::nullopt;
}
bool ConcreteModuleType::isIgnoredAttribute(const std::string& name) const {
return data_.ignoredAttributes_.count(name) > 0;
}
std::shared_ptr<ConcreteModuleType> ConcreteModuleType::
findSubmoduleConcreteType(const std::string& name) const {
const auto it = std::find_if(
data_.modules_.cbegin(),
data_.modules_.cend(),
[&](const ConcreteModuleTypeBuilder::ModuleInfo& info) {
return info.name_ == name;
});
TORCH_INTERNAL_ASSERT(it != data_.modules_.end());
return it->meta_;
}
void ConcreteModuleTypeBuilder::setIterableModuleKind(IterableModuleKind kind) {
iterableModuleKind_ = kind;
}
IterableModuleKind ConcreteModuleType::getIterableModuleKind() const {
return data_.iterableModuleKind_;
}
void ConcreteModuleTypeBuilder::setPoisoned() {
isPoisoned_ = true;
}
void ConcreteModuleTypeBuilder::addConstant(
std::string name,
py::object value) {
auto match = tryToInferType(value);
if (!match.success()) {
TORCH_INTERNAL_ASSERT(
false,
"We need to infer the type of constant to convert the python value to IValue,"
" but failed to infer type of ",
py::str(value),
"\n:",
match.reason());
}
constants_.emplace(std::move(name), toIValue(std::move(value), match.type()));
}
void ConcreteModuleTypeBuilder::addConstant(std::string name, IValue value) {
constants_.emplace(std::move(name), std::move(value));
}
void ConcreteModuleTypeBuilder::addAttribute(
std::string name,
const TypePtr& type,
bool isParameter,
bool isBuffer) {
TORCH_INTERNAL_ASSERT(type);
// Function attributes should be handled separately
TORCH_INTERNAL_ASSERT(type->cast<FunctionType>() == nullptr);
attributes_.insert(
std::move(name),
ConcreteModuleTypeBuilder::Attribute(
unshapedType(type), isParameter, isBuffer));
}
void ConcreteModuleTypeBuilder::addFunctionAttribute(
std::string name,
const TypePtr& type,
py::object pyFunction) {
TORCH_INTERNAL_ASSERT(type);
functionAttributes_.emplace(
std::move(name),
ConcreteModuleTypeBuilder::FunctionAttribute{
type->expect<FunctionType>(), std::move(pyFunction)});
}
void ConcreteModuleTypeBuilder::addBuiltinFunction(
std::string name,
const std::string& symbol_name) {
builtinFunctions_.emplace(
std::move(name), c10::Symbol::fromQualString(symbol_name));
}
void ConcreteModuleTypeBuilder::addModule(
std::string name,
std::shared_ptr<ConcreteModuleType> meta) {
modules_.emplace_back(
ConcreteModuleTypeBuilder::ModuleInfo{std::move(name), std::move(meta)});
}
void ConcreteModuleTypeBuilder::addForwardHook(py::object hook) {
forwardHooks_.emplace_back(std::move(hook));
}
void ConcreteModuleTypeBuilder::addForwardPreHook(py::object pre_hook) {
forwardPreHooks_.emplace_back(std::move(pre_hook));
}
void ConcreteModuleTypeBuilder::addOverload(
std::string methodName,
std::vector<std::string> overloadedMethodNames) {
overloads_.emplace(std::move(methodName), std::move(overloadedMethodNames));
}
void ConcreteModuleTypeBuilder::addFailedAttribute(
std::string name,
std::string failureReason) {
failedAttributes_.emplace(std::move(name), std::move(failureReason));
}
void ConcreteModuleTypeBuilder::addIgnoredAttribute(std::string name) {
ignoredAttributes_.emplace(std::move(name));
}
void ConcreteModuleType::dump() const {
std::cout << "ConcreteModuleType for: "
<< py::getattr(data_.pyClass_, "__name__") << "\n";
std::cout << "Constants: \n";
for (const auto& pr : data_.constants_) {
std::cout << "\t" << pr.first << ": " << pr.second << "\n";
}
std::cout << "\nAttributes: \n";
for (const auto& pr : data_.attributes_) {
std::cout << "\t" << pr.key() << ": " << pr.value().type_->annotation_str()
<< "\n";
}
std::cout << "\nSubmodules: \n";
for (const auto& info : data_.modules_) {
std::cout << "\t" << info.name_ << ": "
<< info.meta_->getJitType()->annotation_str() << "\n";
}
std::cout << "\nForward Pre-Hooks: \n";
for (const auto& pre_hook_id : data_.forwardPreHooks_) {
std::cout << "\t"
<< "pre_hook id: " << pre_hook_id << "\n";
}
std::cout << "\nForward Hooks: \n";
for (const auto& hook_id : data_.forwardHooks_) {
std::cout << "\t"
<< "hook id: " << hook_id << "\n";
}
std::cout << "\nOverloads: \n";
for (const auto& pr : data_.overloads_) {
std::cout << "\t" << pr.first << ": " << pr.second << "\n";
}
std::string isPoisoned = data_.isPoisoned_ ? "true" : "false";
std::cout << "isPoisoned: " << isPoisoned << "\n";
if (jitType_) {
std::cout << "jit type: " << jitType_->annotation_str() << "\n";
}
}
std::unordered_map<std::string, py::object> ConcreteModuleType::getConstantsPy()
const {
// Convert to a more pybind-friendly representation, so we don't
// need to bind ConcreteModuleType::Constant as well.
std::unordered_map<std::string, py::object> ret;
for (const auto& pr : data_.constants_) {
ret.emplace(pr.first, toPyObject(pr.second));
}
return ret;
}
std::unordered_map<std::string, std::pair<TypePtr, bool>> ConcreteModuleType::
getAttributesPy() const {
// Convert to a more pybind-friendly representation, so we don't
// need to bind ConcreteModuleType::Attribute as well.
std::unordered_map<std::string, std::pair<TypePtr, bool>> ret;
for (auto& pr : data_.attributes_) {
ret.emplace(
pr.key(),
std::pair<TypePtr, bool>(pr.value().type_, pr.value().isParam_));
}
return ret;
}
std::vector<std::pair<std::string, std::shared_ptr<ConcreteModuleType>>>
ConcreteModuleType::getModulesPy() const {
std::vector<std::pair<std::string, std::shared_ptr<ConcreteModuleType>>> ret;
for (const auto& info : data_.modules_) {
ret.emplace_back(std::make_pair(info.name_, info.meta_));
}
return ret;
}
} // namespace jit
} // namespace torch