src/smpi/private.h

   1 #ifndef SMPI_PRIVATE_H
   2 #define SMPI_PRIVATE_H
   3
   4 #include "xbt/mallocator.h"
   5 #include "xbt/xbt_os_time.h"
   6
   7 #include "simix/simix.h"
   8
   9 #include "smpi/smpi.h"
  10
  11 #define SMPI_DEFAULT_SPEED 100
  12 #define SMPI_REQUEST_MALLOCATOR_SIZE 100
  13 #define SMPI_MESSAGE_MALLOCATOR_SIZE 100
  14
  15 // smpi mpi communicator
  16 typedef struct smpi_mpi_communicator_t {
  17         int            size;
  18         int            barrier_count;
  19         smx_mutex_t    barrier_mutex;
  20         smx_cond_t     barrier_cond;
  21
  22         int           *rank_to_index_map;
  23         int           *index_to_rank_map;
  24
  25 } s_smpi_mpi_communicator_t;
  26
  27 // smpi mpi datatype
  28 typedef struct smpi_mpi_datatype_t {
  29   size_t size;
  30 } s_smpi_mpi_datatype_t;
  31
  32 // smpi mpi request
  33 typedef struct smpi_mpi_request_t {
  34         smpi_mpi_communicator_t comm;
  35         int src;
  36         int dst;
  37         int tag;
  38
  39         void *buf;
  40         int count;
  41         smpi_mpi_datatype_t datatype;
  42
  43         short int completed :1;
  44
  45         smx_mutex_t mutex;
  46         smx_cond_t  cond;
  47
  48         void *data;
  49
  50 } s_smpi_mpi_request_t;
  51
  52 // smpi mpi op
  53 typedef struct smpi_mpi_op_t {
  54   void (*func)(void *a, void *b, int *length, MPI_Datatype *datatype);
  55 } s_smpi_mpi_op_t;
  56
  57 // smpi received message
  58 typedef struct smpi_received_message_t {
  59         smpi_mpi_communicator_t comm;
  60         int src;
  61         int tag;
  62
  63         void *buf;
  64
  65         void *data;
  66
  67 } s_smpi_received_message_t;
  68 typedef struct smpi_received_message_t *smpi_received_message_t;
  69
  70 typedef struct smpi_global_t {
  71
  72         // config vars
  73         double            reference_speed;
  74
  75         // state vars
  76         int               root_ready:1;
  77         int               ready_process_count;
  78         smx_mutex_t       start_stop_mutex;
  79         smx_cond_t        start_stop_cond;
  80
  81         smx_host_t       *hosts;
  82         int               host_count;
  83         xbt_mallocator_t  request_mallocator;
  84         xbt_mallocator_t  message_mallocator;
  85
  86         xbt_fifo_t       *pending_send_request_queues;
  87         smx_mutex_t      *pending_send_request_queues_mutexes;
  88
  89         xbt_fifo_t       *pending_recv_request_queues;
  90         smx_mutex_t      *pending_recv_request_queues_mutexes;
  91
  92         xbt_fifo_t       *received_message_queues;
  93         smx_mutex_t      *received_message_queues_mutexes;
  94
  95         smx_process_t    *sender_processes;
  96         smx_process_t    *receiver_processes;
  97
  98         int               running_hosts_count;
  99         smx_mutex_t       running_hosts_count_mutex;
 100
 101         xbt_os_timer_t   *timers;
 102         smx_mutex_t      *timers_mutexes;
 103
 104 } s_smpi_global_t;
 105 typedef struct smpi_global_t *smpi_global_t;
 106 extern smpi_global_t smpi_global;
 107
 108 typedef struct smpi_host_data_t {
 109         int index;
 110 } s_smpi_host_data_t;
 111 typedef struct smpi_host_data_t *smpi_host_data_t;
 112
 113 // function prototypes
 114 void smpi_mpi_init(void);
 115 void smpi_mpi_finalize(void);
 116 int smpi_mpi_comm_rank(smpi_mpi_communicator_t comm);
 117
 118 int smpi_mpi_barrier(smpi_mpi_communicator_t comm);
 119 int smpi_mpi_isend(smpi_mpi_request_t request);
 120 int smpi_mpi_irecv(smpi_mpi_request_t request);
 121 int smpi_mpi_wait(smpi_mpi_request_t request, smpi_mpi_status_t *status);
 122
 123 void smpi_bench_begin(void);
 124 void smpi_bench_end(void);
 125
 126 void smpi_global_init(void);
 127 void smpi_global_destroy(void);
 128 int smpi_host_index(void);
 129 int smpi_run_simulation(int argc, char **argv);
 130 int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
 131         int src, int dst, int tag, smpi_mpi_communicator_t comm, smpi_mpi_request_t *request);
 132
 133 int smpi_sender(int argc, char **argv);
 134
 135 int smpi_receiver(int argc, char **argv);
 136
 137 #endif