diff --git a/include/aidge/backend/OperatorImpl.hpp b/include/aidge/backend/OperatorImpl.hpp
index 68e2a57b498551f6600d6b5720919d03b9bf037c..649898dd130d5811f65f65af87bc117d3502647c 100644
--- a/include/aidge/backend/OperatorImpl.hpp
+++ b/include/aidge/backend/OperatorImpl.hpp
@@ -14,73 +14,177 @@
#include <string>
#include <vector>
+#include <functional>
#include "aidge/utils/Types.h"
+#include "aidge/utils/DynamicAttributes.hpp"
+#include "aidge/data/Data.hpp"
#include "aidge/data/Elts.hpp"
+#include "aidge/scheduler/ProdConso.hpp"
namespace Aidge {
+class Node;
class Operator;
+/**
+ * @brief ImplSpec stores the requirements or the specifications of an implementation.
+ *
+ */
+struct ImplSpec {
+ struct IOSpec {
+ IOSpec(DataType type_, DataFormat format_ = DataFormat::Any, const std::vector<std::pair<int, int>>& dims_ = {}):
+ type(type_),
+ format(format_),
+ dims(dims_)
+ {}
+
+ DataType type;
+ DataFormat format;
+ std::vector<std::pair<int, int>> dims;
+ };
+
+ ImplSpec(const DynamicAttributes& attrs_ = DynamicAttributes());
+ ImplSpec(const IOSpec& io, const DynamicAttributes& attrs_ = DynamicAttributes());
+ ImplSpec(const IOSpec& i, const IOSpec& o, const DynamicAttributes& attrs_ = DynamicAttributes());
+ ImplSpec(const std::vector<IOSpec>& i, const std::vector<IOSpec>& o, const DynamicAttributes& attrs_ = DynamicAttributes());
+ ImplSpec(const Aidge::ImplSpec&);
+ ~ImplSpec() noexcept;
+
+ std::vector<IOSpec> inputs;
+ std::vector<IOSpec> outputs;
+ DynamicAttributes attrs;
+};
+
+inline bool operator==(const ImplSpec::IOSpec& lhs, const ImplSpec::IOSpec& rhs) {
+ return (lhs.type == rhs.type)
+ && (lhs.format == rhs.format)
+ && (lhs.dims == rhs.dims);
+}
+
+inline bool operator<(const ImplSpec::IOSpec& lhs, const ImplSpec::IOSpec& rhs) {
+ return (lhs.type < rhs.type)
+ || (lhs.type == rhs.type && lhs.format < rhs.format)
+ || (lhs.type == rhs.type && lhs.format == rhs.format && lhs.dims < rhs.dims);
+}
+
+inline bool operator<(const ImplSpec& lhs, const ImplSpec& rhs) {
+ return (lhs.inputs < rhs.inputs)
+ || (lhs.inputs == rhs.inputs && lhs.outputs < rhs.outputs)
+ || (lhs.inputs == rhs.inputs && lhs.outputs == rhs.outputs && lhs.attrs < rhs.attrs);
+}
+
+
+inline bool operator==(const ImplSpec& lhs, const ImplSpec& rhs) {
+ return !(lhs < rhs) && !(rhs < lhs);
+}
+
+/**
+ * @brief Impl stores the details of a specific implementation.
+ * It is associated to a ImplSpec in a registry.
+ *
+ */
+template <class FwdFunc, class BwdFunc>
+struct Impl {
+ Impl(std::function<std::unique_ptr<ProdConso>(const Operator&)> prodConso_,
+ std::function<FwdFunc> forward_,
+ std::function<BwdFunc> backward_ = nullptr):
+ prodConso(prodConso_), forward(forward_), backward(backward_) {}
+
+ std::function<std::unique_ptr<ProdConso>(const Operator&)> prodConso;
+ std::function<FwdFunc> forward;
+ std::function<BwdFunc> backward;
+};
+
class OperatorImpl {
public:
OperatorImpl(const Operator& op, const std::string& backend = "");
virtual void forward();
virtual void backward();
+ virtual std::shared_ptr<ProdConso> prodConso();
const std::string& backend() const noexcept {
return mBackend;
}
- /**
- * @brief Minimum amount of data from a specific input required by the
- * implementation to be run.
- *
- * @param inputIdx Index of the input analyzed.
- * @return std::size_t
- */
- virtual Elts_t getNbRequiredData(const IOIndex_t inputIdx) const;
- // Amount of input data that cannot be overwritten during the execution.
- virtual Elts_t getNbRequiredProtected(const IOIndex_t inputIdx) const;
-
- // Memory required at an output for a given input size.
- virtual Elts_t getRequiredMemory(const IOIndex_t outputIdx, const std::vector<DimSize_t> &inputsSize) const;
+ const Operator& getOperator() const noexcept {
+ return mOp;
+ }
/**
- * @brief Total amount of consumed data from a specific input.
+ * @brief Get the operator required implementation specification, according
+ * to the current operator configuration.
*
- * @param inputIdx Index of the input analyzed.
- * @return DimSize_t
*/
- virtual Elts_t getNbConsumedData(const IOIndex_t inputIdx) const;
+ ImplSpec getRequiredSpec() const;
/**
- * @brief Total amount of produced data ready to be used on a specific output.
+ * @brief Get the best implementation that matches \p requiredSpecs.
+ * If no implementation matches \p requiredSpecs, \p requiredSpecs is
+ * returned.
*
- * @param outputIdx Index of the output analyzed.
- * @return DimSize_t
*/
- virtual Elts_t getNbProducedData(const IOIndex_t outputIdx) const;
+ ImplSpec getBestMatch(const ImplSpec& requiredSpecs) const;
/**
- * @brief Update the Consumer Producer system by simulating the consumption and production of i/o
+ * @brief Get an adapted meta operator corresponding to the required
+ * specifications \p requiredSpecs from the implementation specifications
+ * \p spec.
*
+ * @param spec Implementation specification
+ * @param requiredSpecs Required specifications
+ * @return std::shared_ptr<Node> Adapted meta op or nullptr
*/
- virtual void updateConsummerProducer();
+ std::shared_ptr<Node> getAdaptation(const ImplSpec& spec, const ImplSpec& requiredSpecs) const;
/**
- * @brief Reset the Consumer Producer system.
+ * @brief Get the best adapted meta operator corresponding to the required
+ * specifications \p requiredSpecs.
+ * The best adaptation is the one with the lowest overhead cost.
+ * Currently, it is the one requiring the least number of additionnal
+ * operators to match the available implementations.
*
+ * @param requiredSpecs Required specifications
+ * @return std::shared_ptr<Node> Adapted meta op or nullptr
*/
- virtual void resetConsummerProducer();
+ std::shared_ptr<Node> getBestAdaptation(const ImplSpec& requiredSpecs) const;
virtual ~OperatorImpl() = default;
protected:
+ virtual std::shared_ptr<ProdConso> getProdConso() const;
+ virtual std::vector<ImplSpec> getAvailableImplSpecs() const;
+ bool checkIOSpec(const ImplSpec::IOSpec& required, const ImplSpec::IOSpec& spec) const;
+
const Operator &mOp;
const std::string mBackend;
- std::vector<Elts_t> mNbConsumedData;
- std::vector<Elts_t> mNbProducedData;
+ std::shared_ptr<ProdConso> mProdConso;
};
} // namespace Aidge
+template<>
+struct fmt::formatter<Aidge::ImplSpec::IOSpec> {
+ template<typename ParseContext>
+ inline constexpr auto parse(ParseContext& ctx) {
+ return ctx.begin();
+ }
+
+ template<typename FormatContext>
+ inline auto format(Aidge::ImplSpec::IOSpec const& ioSpec, FormatContext& ctx) const {
+ return fmt::format_to(ctx.out(), "{}, {}, {}", ioSpec.type, ioSpec.format, ioSpec.dims);
+ }
+};
+
+template<>
+struct fmt::formatter<Aidge::ImplSpec> {
+ template<typename ParseContext>
+ inline constexpr auto parse(ParseContext& ctx) {
+ return ctx.begin();
+ }
+
+ template<typename FormatContext>
+ inline auto format(Aidge::ImplSpec const& implSpec, FormatContext& ctx) const {
+ return fmt::format_to(ctx.out(), "{}, {}", implSpec.inputs, implSpec.outputs);
+ }
+};
+
#endif /* AIDGE_BACKEND_OPERATORIMPL_H_ */
diff --git a/include/aidge/utils/DynamicAttributes.hpp b/include/aidge/utils/DynamicAttributes.hpp
index 8f6f5c7dea1d099e8061644d5ae034309ba4185a..1b55d7afbf8263a77cf70752fc92f72ef5027904 100644
--- a/include/aidge/utils/DynamicAttributes.hpp
+++ b/include/aidge/utils/DynamicAttributes.hpp
@@ -18,6 +18,7 @@
#include <typeinfo>
#include <cassert>
#include <string>
+#include <typeindex>
#include "aidge/utils/future_std/any.hpp"
#include "aidge/utils/Attributes.hpp"
@@ -38,31 +39,34 @@ namespace Aidge {
///\todo managing complex types or excluding non-trivial, non-aggregate types
class DynamicAttributes : public Attributes {
public:
+ DynamicAttributes() = default;
+ DynamicAttributes(const std::map<std::string, future_std::any>& attrs): mAttrs(attrs) {}
+
/**
* \brief Returning an Attribute identified by its name
* \tparam T expected Attribute type
* \param name Attribute name
* \details assert if T is not the actual Attribute type or if the Attribute does not
* exist
- * \note at() throws if the Attribute does not exist, using find to test for Attribute existence
+ * \note at() throws if the Attribute does not exist, using find to test for Attribute existance
*/
- template<class T> const T& getAttr(const std::string& name) const
+ template<class T> T getAttr(const std::string& name) const
{
const auto dot = name.find('.');
if (dot == name.npos) {
+ mAnyUtils.emplace(typeid(T), std::unique_ptr<AnyUtils<T>>(new AnyUtils<T>()));
+
+ const auto& attr = mAttrs.at(name);
#ifdef PYBIND
- // If attribute does not exist in C++, it might have been created or modified in Python
- auto it = mAttrs.find(name);
- if (it == mAttrs.end()) {
- auto itPy = mAttrsPy.find(name);
- if (itPy != mAttrsPy.end()) {
- // Insert the attribute back in C++
- mAttrs.emplace(std::make_pair(name, future_std::any(itPy->second.cast<T>())));
- }
+ if (attr.type() == typeid(py::object)) {
+ // Note: because of cast<T>(), this function cannot return a const reference!
+ return future_std::any_cast<const py::object&>(attr).cast<T>();
}
+ else
#endif
-
- return future_std::any_cast<const T&>(mAttrs.at(name));
+ {
+ return future_std::any_cast<const T&>(attr);
+ }
}
else {
const auto ns = name.substr(0, dot);
@@ -72,9 +76,21 @@ public:
}
template<class T> T& getAttr(const std::string& name) {
- // Scott Meyers' solution to avoid code duplication
- return const_cast<T&>(
- static_cast<const DynamicAttributes&>(*this).getAttr<T>(name));
+ const auto dot = name.find('.');
+ if (dot == name.npos) {
+ mAnyUtils.emplace(typeid(T), std::unique_ptr<AnyUtils<T>>(new AnyUtils<T>()));
+
+ auto& attr = mAttrs.at(name);
+#ifdef PYBIND
+ AIDGE_ASSERT(attr.type() != typeid(py::object), "getAttr(): cannot return a reference to a Python-defined attribute.");
+#endif
+ return future_std::any_cast<T&>(attr);
+ }
+ else {
+ const auto ns = name.substr(0, dot);
+ const auto nsName = name.substr(dot + 1);
+ return future_std::any_cast<DynamicAttributes&>(mAttrs.at(ns)).getAttr<T>(nsName);
+ }
}
///\brief Add a new Attribute, identified by its name. If it already exists, asserts.
@@ -85,17 +101,10 @@ public:
{
const auto dot = name.find('.');
if (dot == name.npos) {
+ mAnyUtils.emplace(typeid(T), std::unique_ptr<AnyUtils<T>>(new AnyUtils<T>()));
+
const auto& res = mAttrs.emplace(std::make_pair(name, future_std::any(value)));
AIDGE_ASSERT(res.second, "addAttr(): attribute \"{}\" already exists. Use setAttr() if this is expected.", name);
-
-#ifdef PYBIND
- // We cannot handle Python object if the Python interpreter is not running
- if (Py_IsInitialized()) {
- // Keep a copy of the attribute in py::object that is updated every time
- const auto& resPy = mAttrsPy.emplace(std::make_pair(name, py::cast(value)));
- AIDGE_ASSERT(resPy.second, "addAttr(): attribute \"{}\" already exists (added in Python). Use setAttr() if this is expected.", name);
- }
-#endif
}
else {
const auto ns = name.substr(0, dot);
@@ -113,19 +122,11 @@ public:
{
const auto dot = name.find('.');
if (dot == name.npos) {
+ mAnyUtils.emplace(typeid(T), std::unique_ptr<AnyUtils<T>>(new AnyUtils<T>()));
+
auto res = mAttrs.emplace(std::make_pair(name, future_std::any(value)));
if (!res.second)
res.first->second = future_std::any(value);
-
-#ifdef PYBIND
- // We cannot handle Python object if the Python interpreter is not running
- if (Py_IsInitialized()) {
- // Keep a copy of the attribute in py::object that is updated every time
- auto resPy = mAttrsPy.emplace(std::make_pair(name, py::cast(value)));
- if (!resPy.second)
- resPy.first->second = std::move(py::cast(value));
- }
-#endif
}
else {
const auto ns = name.substr(0, dot);
@@ -139,9 +140,6 @@ public:
const auto dot = name.find('.');
if (dot == name.npos) {
mAttrs.erase(name);
-#ifdef PYBIND
- mAttrsPy.erase(name);
-#endif
}
else {
const auto ns = name.substr(0, dot);
@@ -153,41 +151,12 @@ public:
#ifdef PYBIND
void addAttrPy(const std::string& name, py::object&& value)
{
- const auto dot = name.find('.');
- if (dot == name.npos) {
- auto it = mAttrs.find(name);
- AIDGE_ASSERT(it == mAttrs.end(), "add_attr(): attribute \"{}\" already exists (added in C++). Use set_attr() if this is expected.", name);
-
- const auto& res = mAttrsPy.emplace(std::make_pair(name, value));
- AIDGE_ASSERT(res.second, "add_attr(): attribute \"{}\" already exists. Use set_attr() if this is expected.", name);
- }
- else {
- const auto ns = name.substr(0, dot);
- const auto nsName = name.substr(dot + 1);
- const auto& res = mAttrs.emplace(std::make_pair(ns, DynamicAttributes()));
-
- future_std::any_cast<DynamicAttributes&>(res.first->second).addAttrPy(nsName, std::move(value));
- }
+ addAttr(name, std::move(value));
}
void setAttrPy(const std::string& name, py::object&& value) override final
{
- const auto dot = name.find('.');
- if (dot == name.npos) {
- auto resPy = mAttrsPy.emplace(std::make_pair(name, value));
- if (!resPy.second)
- resPy.first->second = std::move(value);
-
- // Force getAttr() to take attribute value from mAttrsPy and update mAttrs
- mAttrs.erase(name);
- }
- else {
- const auto ns = name.substr(0, dot);
- const auto nsName = name.substr(dot + 1);
- const auto& res = mAttrs.emplace(std::make_pair(ns, DynamicAttributes()));
-
- future_std::any_cast<DynamicAttributes&>(res.first->second).setAttrPy(nsName, std::move(value));
- }
+ setAttr(name, std::move(value));
}
py::dict dict() const override {
@@ -196,9 +165,16 @@ public:
if (elt.second.type() == typeid(DynamicAttributes)) {
attributes[elt.first.c_str()] = future_std::any_cast<const DynamicAttributes&>(elt.second).dict();
}
- }
- for (const auto& elt : mAttrsPy) {
- attributes[elt.first.c_str()] = elt.second;
+ else {
+ // At this point, not every attribute may be known to mAnyUtils
+ const auto anyUtilsIt = mAnyUtils.find(elt.second.type());
+ if (anyUtilsIt != mAnyUtils.end()) {
+ attributes[elt.first.c_str()] = anyUtilsIt->second->cast(elt.second);
+ }
+ else {
+ attributes[elt.first.c_str()] = "???";
+ }
+ }
}
return attributes;
}
@@ -221,12 +197,7 @@ public:
bool hasAttr(const std::string& name) const override final {
const auto dot = name.find('.');
if (dot == name.npos) {
-#ifdef PYBIND
- return (mAttrs.find(name) != mAttrs.cend() || mAttrsPy.find(name) != mAttrsPy.cend());
-
-#else
return (mAttrs.find(name) != mAttrs.cend());
-#endif
}
else {
const auto ns = name.substr(0, dot);
@@ -241,45 +212,22 @@ public:
}
}
-#ifdef PYBIND
- bool hasAttrPy(const std::string& name) const override final {
- const auto dot = name.find('.');
- if (dot == name.npos) {
- // Attributes might have been created in Python, the second condition is necessary.
- return (mAttrs.find(name) != mAttrs.cend() || mAttrsPy.find(name) != mAttrsPy.cend());
- }
- else {
- const auto ns = name.substr(0, dot);
- const auto it = mAttrs.find(ns);
- if (it != mAttrs.cend()) {
- const auto nsName = name.substr(dot + 1);
- return future_std::any_cast<const DynamicAttributes&>(it->second).hasAttrPy(nsName);
- }
- else {
- return false;
- }
- }
- }
-#endif
-
std::string getAttrType(const std::string& name) const override final {
// In order to remain consistent between C++ and Python, with or without PyBind, the name of the type is:
// - C-style for C++ created attributes
// - Python-style for Python created attributes
const auto dot = name.find('.');
if (dot == name.npos) {
+ const auto& attr = mAttrs.at(name);
#ifdef PYBIND
- // If attribute does not exist in C++, it might have been created in Python
- auto it = mAttrs.find(name);
- if (it == mAttrs.end()) {
- auto itPy = mAttrsPy.find(name);
- if (itPy != mAttrsPy.end()) {
- return std::string(Py_TYPE(itPy->second.ptr())->tp_name);
- }
+ if (attr.type() == typeid(py::object)) {
+ return std::string(Py_TYPE(future_std::any_cast<const py::object&>(attr).ptr())->tp_name);
}
+ else
#endif
-
- return mAttrs.at(name).type().name();
+ {
+ return attr.type().name();
+ }
}
else {
const auto ns = name.substr(0, dot);
@@ -292,33 +240,20 @@ public:
std::set<std::string> attrsName;
for(auto const& it: mAttrs)
attrsName.insert(it.first);
-#ifdef PYBIND
- // Attributes might have been created in Python
- for(auto const& it: mAttrsPy)
- attrsName.insert(it.first);
-#endif
return attrsName;
}
#ifdef PYBIND
/**
* @detail See https://github.com/pybind/pybind11/issues/1590 as to why a
- * generic type caster for std::any is not feasible.
- * The strategy here is to keep a copy of each attribute in py::object that is updated every time.
+ * generic type caster for std::any is not feasable.
+ * The strategy here is to store a cast() function for each attribute type ever used.
*/
inline py::object getAttrPy(const std::string& name) const override final {
const auto dot = name.find('.');
if (dot == name.npos) {
- auto itPy = mAttrsPy.find(name);
- if (itPy == mAttrsPy.end()) {
- // Attribute may be a namespace
- auto it = mAttrs.find(name);
- AIDGE_ASSERT(it != mAttrs.end() && it->second.type() == typeid(DynamicAttributes), "get_attr(): attribute \"{}\" not found", name);
- return py::cast(future_std::any_cast<const DynamicAttributes&>(it->second));
- }
- else {
- return itPy->second;
- }
+ const auto& attr = mAttrs.at(name);
+ return mAnyUtils.at(attr.type())->cast(attr);
}
else {
const auto ns = name.substr(0, dot);
@@ -328,25 +263,150 @@ public:
};
#endif
- virtual ~DynamicAttributes() {}
+ future_std::any getAny(const std::string& name) const
+ {
+ const auto dot = name.find('.');
+ if (dot == name.npos) {
+ return mAttrs.at(name);
+ }
+ else {
+ const auto ns = name.substr(0, dot);
+ const auto nsName = name.substr(dot + 1);
+ return future_std::any_cast<const DynamicAttributes&>(mAttrs.at(ns)).getAny(nsName);
+ }
+ }
-private:
+ std::map<std::string, future_std::any> getAttrs() const override {
+ return mAttrs;
+ }
+
+ virtual ~DynamicAttributes() {
#ifdef PYBIND
- // Stores C++ attributes (copy) and Python-only attributes
- // Code should be compiled with -fvisibility=hidden
- // See https://pybind11.readthedocs.io/en/stable/faq.html:
- // “‘SomeClass’ declared with greater visibility than the type of its
- // field ‘SomeClass::member’ [-Wattributes]â€
- // This map will only be populated if Python interpreter is running
- std::map<std::string, py::object> mAttrsPy;
- // Stores C++ attributes only
- // mutable because it may be updated in getAttr() from Python
- mutable std::map<std::string, future_std::any> mAttrs;
-#else
+ if (!Py_IsInitialized()) {
+ // Resets the internal pointer of py::object to nullptr without decreasing the object's reference count.
+ // At this point, the Python interpreter may have exited (it is the case if the current DynamicAttribute being destroyed is static),
+ // in which case py:object has already being destroyed despite the reference counting being > 0.
+ // See https://github.com/pybind/pybind11/issues/1598
+ for (auto& attr : mAttrs) {
+ if (attr.second.type() == typeid(py::object)) {
+ future_std::any_cast<py::object&>(attr.second).release();
+ }
+ }
+ }
+#endif
+ }
+
+ friend bool operator<(const DynamicAttributes& lhs, const DynamicAttributes& rhs);
+ friend struct std::hash<DynamicAttributes>;
+
+private:
std::map<std::string, future_std::any> mAttrs;
+
+public:
+ struct AnyUtils_ {
+#ifdef PYBIND
+ virtual py::object cast(const future_std::any& attr) const = 0;
+#endif
+ virtual bool compare(const future_std::any&, const future_std::any&) const = 0;
+ virtual size_t hash(const future_std::any&) const = 0;
+ virtual ~AnyUtils_() = default;
+ };
+
+ template <class T>
+ struct AnyUtils : public AnyUtils_ {
+#ifdef PYBIND
+ py::object cast(const future_std::any& attr) const override final {
+ return py::cast(future_std::any_cast<const T&>(attr));
+ }
#endif
+
+ bool compare(const future_std::any& lhs, const future_std::any& rhs) const override final {
+#ifdef PYBIND
+ if (lhs.type() == typeid(py::object) && rhs.type() != typeid(py::object)) {
+ return (future_std::any_cast<py::object>(lhs).cast<T>() < future_std::any_cast<T>(rhs));
+ }
+ else if (lhs.type() != typeid(py::object) && rhs.type() == typeid(py::object)) {
+ return (future_std::any_cast<T>(lhs) < future_std::any_cast<py::object>(rhs).cast<T>());
+ }
+ else
+#endif
+ {
+ return (future_std::any_cast<T>(lhs) < future_std::any_cast<T>(rhs));
+ }
+ }
+
+ size_t hash(const future_std::any& attr) const override final {
+ return std::hash<T>()(future_std::any_cast<T>(attr));
+ }
+ };
+
+ // Stores typed utils functions for each attribute type ever used
+ static std::map<std::type_index, std::unique_ptr<AnyUtils_>> mAnyUtils;
};
+template<> void DynamicAttributes::setAttr<future_std::any>(const std::string& name, const future_std::any& value);
+
+#ifdef PYBIND
+template <>
+struct DynamicAttributes::AnyUtils<py::object> : public DynamicAttributes::AnyUtils_ {
+ py::object cast(const future_std::any& attr) const override {
+ return future_std::any_cast<const py::object&>(attr);
+ }
+
+ bool compare(const future_std::any& lhs, const future_std::any& rhs) const override {
+ return (future_std::any_cast<py::object>(lhs) < future_std::any_cast<py::object>(rhs));
+ }
+
+ size_t hash(const future_std::any& attr) const override final {
+ // Here we are mixing Python and C++ hashes... if both are
+ // well implemented, this should not increase the collision
+ // probability for the same number of stored hashes.
+ return py::hash(future_std::any_cast<py::object>(attr));
+ }
+};
+#endif
+
+inline bool operator<(const DynamicAttributes& lhs, const DynamicAttributes& rhs) {
+ return (lhs.mAttrs < rhs.mAttrs);
+}
+
+// Combine the hashes (boost-like hash combining, see boost::hash_combine())
+inline void hash_combine(std::size_t& seed, const std::size_t& value) {
+ seed ^= value + 0x9e3779b9 + (seed << 6) + (seed >> 2);
+}
+}
+
+namespace std {
+ // Make DynamicAttributes hashable so that is can be stored in hash-based containers.
+ // This is particularly useful in Python since set() and dict() are hash-based.
+ template <>
+ struct hash<Aidge::DynamicAttributes> {
+ size_t operator()(const Aidge::DynamicAttributes& attrs) const {
+ std::size_t seed = 0;
+ for (const auto& pair : attrs.mAttrs) {
+ Aidge::hash_combine(seed, std::hash<std::string>()(pair.first));
+ Aidge::hash_combine(seed, Aidge::DynamicAttributes::mAnyUtils.at(pair.second.type())->hash(pair.second));
+ }
+ return seed;
+ }
+ };
+
+ // General specialization of std::hash for any container that has iterators (e.g., std::vector, std::list, std::set)
+ template <template <typename...> class Container, typename T, typename... Args>
+ struct hash<Container<T, Args...>> {
+ std::size_t operator()(const Container<T, Args...>& iterable) const {
+ std::size_t seed = 0;
+ for (const auto& v : iterable) {
+ // Recursively hash the value pointed by the iterator
+ Aidge::hash_combine(seed, std::hash<T>()(v));
+ }
+ return seed;
+ }
+ };
+}
+
+namespace future_std {
+bool operator<(const future_std::any& lhs, const future_std::any& rhs);
}
#endif /* AIDGE_CORE_UTILS_DYNAMICATTRIBUTES_H_ */