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