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updated to use branching-tree broadcast instead of for-loop.
[simgrid.git] / 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         int forward;
50
51 } s_smpi_mpi_request_t;
52
53 // smpi mpi op
54 typedef struct smpi_mpi_op_t {
55   void (*func)(void *a, void *b, int *length, MPI_Datatype *datatype);
56 } s_smpi_mpi_op_t;
57
58 // smpi received message
59 typedef struct smpi_received_message_t {
60         smpi_mpi_communicator_t comm;
61         int src;
62         int tag;
63
64         void *buf;
65
66         void *data;
67         int forward;
68
69 } s_smpi_received_message_t;
70 typedef struct smpi_received_message_t *smpi_received_message_t;
71
72 typedef struct smpi_global_t {
73
74         // config vars
75         double            reference_speed;
76
77         // state vars
78         int               root_ready:1;
79         int               ready_process_count;
80         smx_mutex_t       start_stop_mutex;
81         smx_cond_t        start_stop_cond;
82
83         smx_host_t       *hosts;
84         int               host_count;
85         xbt_mallocator_t  request_mallocator;
86         xbt_mallocator_t  message_mallocator;
87
88         xbt_fifo_t       *pending_send_request_queues;
89         smx_mutex_t      *pending_send_request_queues_mutexes;
90
91         xbt_fifo_t       *pending_recv_request_queues;
92         smx_mutex_t      *pending_recv_request_queues_mutexes;
93
94         xbt_fifo_t       *received_message_queues;
95         smx_mutex_t      *received_message_queues_mutexes;
96
97         smx_process_t    *sender_processes;
98         smx_process_t    *receiver_processes;
99
100         int               running_hosts_count;
101         smx_mutex_t       running_hosts_count_mutex;
102
103         xbt_os_timer_t   *timers;
104         smx_mutex_t      *timers_mutexes;
105
106 } s_smpi_global_t;
107 typedef struct smpi_global_t *smpi_global_t;
108 extern smpi_global_t smpi_global;
109
110 typedef struct smpi_host_data_t {
111         int index;
112 } s_smpi_host_data_t;
113 typedef struct smpi_host_data_t *smpi_host_data_t;
114
115 // function prototypes
116 void smpi_mpi_init(void);
117 void smpi_mpi_finalize(void);
118 int smpi_mpi_comm_rank(smpi_mpi_communicator_t comm);
119
120 int smpi_mpi_barrier(smpi_mpi_communicator_t comm);
121 int smpi_mpi_isend(smpi_mpi_request_t request);
122 int smpi_mpi_irecv(smpi_mpi_request_t request);
123 int smpi_mpi_wait(smpi_mpi_request_t request, smpi_mpi_status_t *status);
124
125 void smpi_bench_begin(void);
126 void smpi_bench_end(void);
127
128 void smpi_global_init(void);
129 void smpi_global_destroy(void);
130 int smpi_host_index(void);
131 int smpi_run_simulation(int argc, char **argv);
132 int smpi_create_request(void *buf, int count, smpi_mpi_datatype_t datatype,
133         int src, int dst, int tag, smpi_mpi_communicator_t comm, smpi_mpi_request_t *request);
134
135 int smpi_sender(int argc, char **argv);
136
137 int smpi_receiver(int argc, char **argv);
138
139 #endif