-/* Copyright (c) 2009-2020. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2021. 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 <string>
#include <vector>
-constexpr unsigned DT_FLAG_DESTROYED = 0x0001; /**< user destroyed but some other layers still have a reference */
-constexpr unsigned DT_FLAG_COMMITED = 0x0002; /**< ready to be used for a send/recv operation */
-constexpr unsigned DT_FLAG_CONTIGUOUS = 0x0004; /**< contiguous datatype */
-constexpr unsigned DT_FLAG_OVERLAP = 0x0008; /**< datatype is unproper for a recv operation */
-constexpr unsigned DT_FLAG_USER_LB = 0x0010; /**< has a user defined LB */
-constexpr unsigned DT_FLAG_USER_UB = 0x0020; /**< has a user defined UB */
-constexpr unsigned DT_FLAG_PREDEFINED = 0x0040; /**< cannot be removed: initial and predefined datatypes */
-constexpr unsigned DT_FLAG_NO_GAPS = 0x0080; /**< no gaps around the datatype */
-constexpr unsigned DT_FLAG_DATA = 0x0100; /**< data or control structure */
-constexpr unsigned DT_FLAG_ONE_SIDED = 0x0200; /**< datatype can be used for one sided operations */
-constexpr unsigned DT_FLAG_UNAVAILABLE = 0x0400; /**< datatypes unavailable on the build (OS or compiler dependent) */
-constexpr unsigned DT_FLAG_DERIVED = 0x0800; /**< is the datatype derived ? */
+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.
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 {
MPI_Aint ub_;
int flags_;
int refcount_ = 1;
+ std::unique_ptr<Datatype_contents> contents_ = nullptr;
+
+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_contents* contents_ = nullptr;
- Datatype(int id, int size, MPI_Aint lb, MPI_Aint ub, int flags);
- Datatype(char* name, int id, int size, MPI_Aint lb, MPI_Aint ub, int flags);
+ 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);
Datatype(const Datatype&) = delete;
Datatype& operator=(const Datatype&) = delete;
~Datatype() override;
-
- const char* name() const { return name_.c_str(); }
+ std::string name() const override {return name_.empty() ? std::string("MPI_Datatype") : name_;}
size_t size() const { return size_; }
MPI_Aint lb() const { return lb_; }
MPI_Aint ub() const { return ub_; }