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 } s_smpi_mpi_request_t;
  48
  49 // smpi mpi op
  50 typedef struct smpi_mpi_op_t {
  51   void (*func)(void *a, void *b, int *length, MPI_Datatype *datatype);
  52 } s_smpi_mpi_op_t;
  53
  54 // smpi received message
  55 typedef struct smpi_received_message_t {
  56         smpi_mpi_communicator_t comm;
  57         int src;
  58         int tag;
  59
  60         void *buf;
  61 } s_smpi_received_message_t;
  62 typedef struct smpi_received_message_t *smpi_received_message_t;
  63
  64 typedef struct smpi_global_t {
  65
  66         // config vars
  67         double            reference_speed;
  68
  69         // state vars
  70         int               root_ready:1;
  71         int               ready_process_count;
  72         smx_mutex_t       start_stop_mutex;
  73         smx_cond_t        start_stop_cond;
  74
  75         smx_host_t       *hosts;
  76         int               host_count;
  77         xbt_mallocator_t  request_mallocator;
  78         xbt_mallocator_t  message_mallocator;
  79
  80         xbt_fifo_t       *pending_send_request_queues;
  81         smx_mutex_t      *pending_send_request_queues_mutexes;
  82
  83         xbt_fifo_t       *pending_recv_request_queues;
  84         smx_mutex_t      *pending_recv_request_queues_mutexes;
  85
  86         xbt_fifo_t       *received_message_queues;
  87         smx_mutex_t      *received_message_queues_mutexes;
  88
  89         smx_process_t    *sender_processes;
  90         smx_process_t    *receiver_processes;
  91
  92         int               running_hosts_count;
  93         smx_mutex_t       running_hosts_count_mutex;
  94
  95         xbt_os_timer_t   *timers;
  96         smx_mutex_t      *timers_mutexes;
  97
  98 } s_smpi_global_t;
  99 typedef struct smpi_global_t *smpi_global_t;
 100 extern smpi_global_t smpi_global;
 101
 102 typedef struct smpi_host_data_t {
 103         int index;
 104 } s_smpi_host_data_t;
 105 typedef struct smpi_host_data_t *smpi_host_data_t;
 106
 107 // function prototypes
 108 void smpi_mpi_init(void);
 109 void smpi_mpi_finalize(void);
 110 int smpi_mpi_comm_rank(smpi_mpi_communicator_t comm);
 111
 112 int smpi_mpi_barrier(smpi_mpi_communicator_t comm);
 113 int smpi_mpi_isend(smpi_mpi_request_t request);
 114 int smpi_mpi_irecv(smpi_mpi_request_t request);
 115 int smpi_mpi_wait(smpi_mpi_request_t request, smpi_mpi_status_t *status);
 116
 117 void smpi_bench_begin(void);
 118 void smpi_bench_end(void);
 119
 120 void smpi_global_init(void);
 121 void smpi_global_destroy(void);
 122 int smpi_host_index(void);
 123 int smpi_run_simulation(int argc, char **argv);
 124 int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
 125         int src, int dst, int tag, smpi_mpi_communicator_t comm, smpi_mpi_request_t *request);
 126
 127 int smpi_sender(int argc, char **argv);
 128
 129 int smpi_receiver(int argc, char **argv);
 130
 131 #endif