-/* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "smpi_f2c.hpp"
#include "smpi_keyvals.hpp"
-
-#define DT_FLAG_DESTROYED 0x0001 /**< user destroyed but some other layers still have a reference */
-#define DT_FLAG_COMMITED 0x0002 /**< ready to be used for a send/recv operation */
-#define DT_FLAG_CONTIGUOUS 0x0004 /**< contiguous datatype */
-#define DT_FLAG_OVERLAP 0x0008 /**< datatype is unpropper for a recv operation */
-#define DT_FLAG_USER_LB 0x0010 /**< has a user defined LB */
-#define DT_FLAG_USER_UB 0x0020 /**< has a user defined UB */
-#define DT_FLAG_PREDEFINED 0x0040 /**< cannot be removed: initial and predefined datatypes */
-#define DT_FLAG_NO_GAPS 0x0080 /**< no gaps around the datatype */
-#define DT_FLAG_DATA 0x0100 /**< data or control structure */
-#define DT_FLAG_ONE_SIDED 0x0200 /**< datatype can be used for one sided operations */
-#define DT_FLAG_UNAVAILABLE 0x0400 /**< datatypes unavailable on the build (OS or compiler dependant) */
-#define DT_FLAG_DERIVED 0x0800 /**< is the datatype derived ? */
+#include <string>
+#include <vector>
+
+constexpr unsigned DT_FLAG_DESTROYED = 0x00001; /**< user destroyed but some other layers still have a reference */
+constexpr unsigned DT_FLAG_COMMITED = 0x00002; /**< ready to be used for a send/recv operation */
+constexpr unsigned DT_FLAG_CONTIGUOUS = 0x00004; /**< contiguous datatype */
+constexpr unsigned DT_FLAG_OVERLAP = 0x00008; /**< datatype is unproper for a recv operation */
+constexpr unsigned DT_FLAG_USER_LB = 0x00010; /**< has a user defined LB */
+constexpr unsigned DT_FLAG_USER_UB = 0x00020; /**< has a user defined UB */
+constexpr unsigned DT_FLAG_PREDEFINED = 0x00040; /**< cannot be removed: initial and predefined datatypes */
+constexpr unsigned DT_FLAG_NO_GAPS = 0x00080; /**< no gaps around the datatype */
+constexpr unsigned DT_FLAG_DATA = 0x00100; /**< data or control structure */
+constexpr unsigned DT_FLAG_ONE_SIDED = 0x00200; /**< datatype can be used for one sided operations */
+constexpr unsigned DT_FLAG_UNAVAILABLE = 0x00400; /**< datatypes unavailable on the build (OS or compiler dependent) */
+constexpr unsigned DT_FLAG_DERIVED = 0x00800; /**< is the datatype derived ? */
+constexpr unsigned DT_FLAG_C_INTEGER = 0x01000; /**< Family: C ints */
+constexpr unsigned DT_FLAG_F_INTEGER = 0x02000; /**< Family: F ints */
+constexpr unsigned DT_FLAG_FP = 0x04000; /**< Family: Floating point */
+constexpr unsigned DT_FLAG_LOGICAL = 0x08000; /**< Family: Logical */
+constexpr unsigned DT_FLAG_COMPLEX = 0x10000; /**< Family: Complex */
+constexpr unsigned DT_FLAG_BYTE = 0x20000; /**< Family: Poor lonesome byte */
+constexpr unsigned DT_FLAG_MULTILANG = 0x40000; /**< Family: Multi-language */
+constexpr unsigned DT_FLAG_REDUCTION = 0x80000; /**< Family: Dual types for maxloc/minloc */
/*
* We should make the difference here between the predefined contiguous and non contiguous
* datatypes. The DT_FLAG_BASIC is held by all predefined contiguous datatypes.
*/
-#define DT_FLAG_BASIC (DT_FLAG_PREDEFINED | DT_FLAG_CONTIGUOUS | DT_FLAG_NO_GAPS | DT_FLAG_DATA | DT_FLAG_COMMITED)
+constexpr unsigned DT_FLAG_BASIC =
+ (DT_FLAG_PREDEFINED | DT_FLAG_CONTIGUOUS | DT_FLAG_NO_GAPS | DT_FLAG_DATA | DT_FLAG_COMMITED);
-extern const MPI_Datatype MPI_PTR;
+extern MPI_Datatype MPI_PTR;
//The following are datatypes for the MPI functions MPI_MAXLOC and MPI_MINLOC.
struct float_int {
int64_t index;
};
-namespace simgrid{
-namespace smpi{
+namespace simgrid::smpi {
+class Datatype_contents {
+ public:
+ int combiner_;
+ std::vector<int> integers_;
+ std::vector<MPI_Aint> addresses_;
+ std::vector<MPI_Datatype> datatypes_;
+ Datatype_contents(int combiner, int number_of_integers, const int* integers, int number_of_addresses,
+ const MPI_Aint* addresses, int number_of_datatypes, const MPI_Datatype* datatypes);
+ Datatype_contents(const Datatype_contents&) = delete;
+ Datatype_contents& operator=(const Datatype_contents&) = delete;
+ ~Datatype_contents();
+};
class Datatype : public F2C, public Keyval{
- char* name_;
+ std::string name_ = "";
+ /* The id here is the (unique) datatype id used for this datastructure.
+ * It's default value is set to -1 since some code expects this return value
+ * when no other id has been assigned
+ */
+ std::string id = "-1";
size_t size_;
MPI_Aint lb_;
MPI_Aint ub_;
int flags_;
- int refcount_;
+ int refcount_ = 1;
+ std::unique_ptr<Datatype_contents> contents_ = nullptr;
+ MPI_Datatype duplicated_datatype_ = MPI_DATATYPE_NULL;
+
+protected:
+ template <typename... Args> void set_contents(Args&&... args)
+ {
+ contents_ = std::make_unique<Datatype_contents>(std::forward<Args>(args)...);
+ }
public:
static std::unordered_map<int, smpi_key_elem> keyvals_;
static int keyval_id_;
+ Datatype(int ident, int size, MPI_Aint lb, MPI_Aint ub, int flags);
+ Datatype(const char* name, int ident, int size, MPI_Aint lb, MPI_Aint ub, int flags);
Datatype(int size, MPI_Aint lb, MPI_Aint ub, int flags);
- Datatype(char* name, int size, MPI_Aint lb, MPI_Aint ub, int flags);
Datatype(Datatype* datatype, int* ret);
- virtual ~Datatype();
-
- char* name();
- size_t size();
- MPI_Aint lb();
- MPI_Aint ub();
- int flags();
- int refcount();
+ Datatype(const Datatype&) = delete;
+ Datatype& operator=(const Datatype&) = delete;
+ ~Datatype() override;
+ std::string name() const override { return name_.empty() ? "MPI_Datatype" : name_; }
+ size_t size() const { return size_; }
+ MPI_Aint lb() const { return lb_; }
+ MPI_Aint ub() const { return ub_; }
+ int flags() const { return flags_; }
+ int refcount() const { return refcount_; }
+ MPI_Datatype duplicated_datatype() const { return duplicated_datatype_; }
void ref();
static void unref(MPI_Datatype datatype);
void commit();
- bool is_valid();
- bool is_basic();
+ int copy_attrs(Datatype* datatype);
+ bool is_valid() const;
+ bool is_basic() const;
+ static const char* encode(const Datatype* dt) { return dt->id.c_str(); }
+ static MPI_Datatype decode(const std::string& datatype_id);
void addflag(int flag);
- int extent(MPI_Aint* lb, MPI_Aint* extent);
- MPI_Aint get_extent();
- void get_name(char* name, int* length);
- void set_name(char* name);
- static int copy(void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
+ int extent(MPI_Aint* lb, MPI_Aint* extent) const;
+ MPI_Aint get_extent() const { return ub_ - lb_; };
+ void get_name(char* name, int* length) const;
+ void set_name(const char* name);
+ static int copy(const void* sendbuf, int sendcount, MPI_Datatype sendtype, void* recvbuf, int recvcount,
MPI_Datatype recvtype);
- virtual void serialize(void* noncontiguous, void* contiguous, int count);
- virtual void unserialize(void* contiguous, void* noncontiguous, int count, MPI_Op op);
- static int keyval_create(MPI_Type_copy_attr_function* copy_fn, MPI_Type_delete_attr_function* delete_fn, int* keyval,
- void* extra_state);
- static int keyval_free(int* keyval);
- int pack(void* inbuf, int incount, void* outbuf, int outcount, int* position, MPI_Comm comm);
- int unpack(void* inbuf, int insize, int* position, void* outbuf, int outcount, MPI_Comm comm);
-
+ virtual int clone(MPI_Datatype* type);
+ virtual void serialize(const void* noncontiguous, void* contiguous, int count);
+ virtual void unserialize(const void* contiguous, void* noncontiguous, int count, MPI_Op op);
+ int pack(const void* inbuf, int incount, void* outbuf, int outcount, int* position, const Comm* comm);
+ int unpack(const void* inbuf, int insize, int* position, void* outbuf, int outcount, const Comm* comm);
+ int get_contents(int max_integers, int max_addresses, int max_datatypes, int* array_of_integers,
+ MPI_Aint* array_of_addresses, MPI_Datatype* array_of_datatypes) const;
+ int get_envelope(int* num_integers, int* num_addresses, int* num_datatypes, int* combiner) const;
static int create_contiguous(int count, MPI_Datatype old_type, MPI_Aint lb, MPI_Datatype* new_type);
static int create_vector(int count, int blocklen, int stride, MPI_Datatype old_type, MPI_Datatype* new_type);
static int create_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* new_type);
- static int create_indexed(int count, int* blocklens, int* indices, MPI_Datatype old_type, MPI_Datatype* new_type);
- static int create_hindexed(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype old_type,
+ static int create_indexed(int count, const int* blocklens, const int* indices, MPI_Datatype old_type, MPI_Datatype* new_type);
+ static int create_hindexed(int count, const int* blocklens, const MPI_Aint* indices, MPI_Datatype old_type,
MPI_Datatype* new_type);
- static int create_struct(int count, int* blocklens, MPI_Aint* indices, MPI_Datatype* old_types,
+ static int create_struct(int count, const int* blocklens, const MPI_Aint* indices, const MPI_Datatype* old_types,
MPI_Datatype* new_type);
-
+ static int create_subarray(int ndims, const int* array_of_sizes,
+ const int* array_of_subsizes, const int* array_of_starts,
+ int order, MPI_Datatype oldtype, MPI_Datatype *newtype);
+ static int create_resized(MPI_Datatype oldtype,MPI_Aint lb, MPI_Aint extent,
+ MPI_Datatype *newtype);
static Datatype* f2c(int id);
};
-}
-}
+} // namespace simgrid::smpi
#endif
