2 /* pmm - parallel matrix multiplication "double diffusion" */
4 /* Copyright (c) 2006 Ahmed Harbaoui. */
5 /* Copyright (c) 2006 Martin Quinson. */
6 /* All rights reserved. */
8 /* This program is free software; you can redistribute it and/or modify it
9 * under the terms of the license (GNU LGPL) which comes with this package. */
12 #include "xbt/matrix.h"
13 #include "amok/peermanagement.h"
15 #define PROC_MATRIX_SIZE 3
16 #define NEIGHBOR_COUNT PROC_MATRIX_SIZE - 1
17 #define SLAVE_COUNT (PROC_MATRIX_SIZE*PROC_MATRIX_SIZE)
19 #define DATA_MATRIX_SIZE 9
20 const int submatrix_size = DATA_MATRIX_SIZE/PROC_MATRIX_SIZE;
22 XBT_LOG_NEW_DEFAULT_CATEGORY(pmm,"Parallel Matrix Multiplication");
24 /* struct for recovering results */
25 GRAS_DEFINE_TYPE(s_result,struct s_result {
28 xbt_matrix_t C GRAS_ANNOTE(subtype,double);
30 typedef struct s_result result_t;
32 /* struct to send initial data to slave */
33 GRAS_DEFINE_TYPE(s_pmm_assignment,struct s_pmm_assignment {
36 xbt_peer_t line[NEIGHBOR_COUNT];
37 xbt_peer_t row[NEIGHBOR_COUNT];
38 xbt_matrix_t A GRAS_ANNOTE(subtype,double);
39 xbt_matrix_t B GRAS_ANNOTE(subtype,double);
41 typedef struct s_pmm_assignment s_pmm_assignment_t;
43 /* register messages which may be sent (common to client and server) */
44 static void register_messages(void) {
45 gras_datadesc_type_t result_type;
46 gras_datadesc_type_t pmm_assignment_type;
48 gras_datadesc_set_const("NEIGHBOR_COUNT",NEIGHBOR_COUNT);
49 result_type=gras_datadesc_by_symbol(s_result);
50 pmm_assignment_type=gras_datadesc_by_symbol(s_pmm_assignment);
52 /* receive a final result from slave */
53 gras_msgtype_declare("result", result_type);
55 /* send from master to slave to assign a position and some data */
56 gras_msgtype_declare("pmm_slave", pmm_assignment_type);
58 /* send data between slaves */
59 gras_msgtype_declare("dataA", gras_datadesc_matrix(gras_datadesc_by_name("double"),NULL));
60 gras_msgtype_declare("dataB", gras_datadesc_matrix(gras_datadesc_by_name("double"),NULL));
63 /* Function prototypes */
64 int slave (int argc,char *argv[]);
65 int master (int argc,char *argv[]);
68 /* **********************************************************************
70 * **********************************************************************/
72 /* Global private data */
80 int master (int argc,char *argv[]) {
90 xbt_dynar_t peers; /* group of slaves */
91 xbt_peer_t grid[SLAVE_COUNT]; /* The slaves as an array */
92 gras_socket_t socket[SLAVE_COUNT]; /* sockets for brodcast to slaves */
94 /* Init the GRAS's infrastructure */
95 gras_init(&argc, argv);
99 /* Initialize data matrices */
100 A = xbt_matrix_double_new_id(DATA_MATRIX_SIZE,DATA_MATRIX_SIZE);
101 B = xbt_matrix_double_new_seq(DATA_MATRIX_SIZE,DATA_MATRIX_SIZE);
102 C = xbt_matrix_double_new_zeros(DATA_MATRIX_SIZE,DATA_MATRIX_SIZE);
104 /* Create the connexions */
105 xbt_assert0(argc>1, "Usage: master <port>");
106 gras_socket_server(atoi(argv[1]));
107 peers=amok_pm_group_new("pmm");
109 /* friends, we're ready. Come and play */
113 init_delay = 15; /* no idea why I have to wait that long in simulation */
115 INFO1("Wait for peers for %.0f sec",init_delay);
116 gras_msg_handleall(init_delay);
117 INFO1("Got %ld pals",xbt_dynar_length(peers));
120 i<xbt_dynar_length(peers) && i<SLAVE_COUNT;
123 xbt_dynar_get_cpy(peers,i,&grid[i]);
124 INFO2("Connecting to %s:%d.",grid[i]->name,grid[i]->port);
125 socket[i]=gras_socket_client(grid[i]->name,grid[i]->port);
126 INFO2("Connected to %s:%d.",grid[i]->name,grid[i]->port);
128 xbt_assert2(i==SLAVE_COUNT,
129 "Not enough slaves for this setting (got %d of %d). Change the deployment file",
132 /* Kill surnumerous slaves */
133 for (i=SLAVE_COUNT; i<xbt_dynar_length(peers); ) {
136 xbt_dynar_remove_at(peers,i,&h);
137 INFO2("Too much slaves. Killing %s:%d", h->name, h->port);
138 amok_pm_kill_hp(h->name,h->port);
143 /* Assign job to slaves */
145 INFO0("XXXXXXXXXXXXXXXXXXXXXX begin Multiplication");
146 for(i=0 ; i<SLAVE_COUNT; i++){
147 s_pmm_assignment_t assignment;
150 assignment.linepos=line; // assigned line
151 assignment.rowpos=row; // assigned row
154 for (j=0,k=0; j<PROC_MATRIX_SIZE; j++) {
155 if (i != j*PROC_MATRIX_SIZE+(row)) {
156 assignment.row[k] = grid[ j*PROC_MATRIX_SIZE+(row) ] ;
160 for (j=0,k=0; j<PROC_MATRIX_SIZE; j++) {
161 if (i != (line)*PROC_MATRIX_SIZE+j) {
162 assignment.line[k] = grid[ (line)*PROC_MATRIX_SIZE+j ] ;
167 assignment.A=xbt_matrix_new_sub(A,
168 submatrix_size,submatrix_size,
169 submatrix_size*line,submatrix_size*row,
171 assignment.B=xbt_matrix_new_sub(B,
172 submatrix_size,submatrix_size,
173 submatrix_size*line,submatrix_size*row,
176 if (row >= PROC_MATRIX_SIZE) {
181 gras_msg_send(socket[i],gras_msgtype_by_name("pmm_slave"),&assignment);
182 xbt_matrix_free(assignment.A);
183 xbt_matrix_free(assignment.B);
186 /* (have a rest while the slave perform the multiplication) */
188 /* Retrieve the results */
189 for( i=0;i< SLAVE_COUNT;i++){
190 gras_msg_wait(6000,gras_msgtype_by_name("result"),&from,&result);
191 VERB2("%d slaves are done already. Waiting for %d",i+1, SLAVE_COUNT);
192 xbt_matrix_copy_values(C,result.C, submatrix_size,submatrix_size,
193 submatrix_size*result.linepos,
194 submatrix_size*result.rowpos,
196 xbt_matrix_free(result.C);
200 if (DATA_MATRIX_SIZE < 30) {
201 INFO0 ("The Result of Multiplication is :");
202 xbt_matrix_dump(C,"C:res",0,xbt_matrix_dump_display_double);
204 INFO1("Matrix size too big (%d>30) to be displayed here",DATA_MATRIX_SIZE);
207 amok_pm_group_shutdown ("pmm"); /* Ok, we're out of here */
209 for(i=0; i<SLAVE_COUNT; i++) {
210 gras_socket_close(socket[i]);
218 } /* end_of_master */
220 /* **********************************************************************
222 * **********************************************************************/
224 static int pmm_worker_cb(gras_msg_cb_ctx_t ctx, void *payload) {
225 /* Recover my initialized Data and My Position*/
226 s_pmm_assignment_t assignment = *(s_pmm_assignment_t*)payload;
227 gras_socket_t master = gras_msg_cb_ctx_from(ctx);
232 xbt_matrix_t bA=xbt_matrix_new(submatrix_size,submatrix_size,
233 sizeof(double),NULL);
234 xbt_matrix_t bB=xbt_matrix_new(submatrix_size,submatrix_size,
235 sizeof(double),NULL);
238 xbt_matrix_t mydataA,mydataB;
239 xbt_matrix_t bC=xbt_matrix_double_new_zeros(submatrix_size,submatrix_size);
243 gras_socket_t from; /* to exchange data with my neighbor */
245 /* sockets for brodcast to other slave */
246 gras_socket_t socket_line[PROC_MATRIX_SIZE-1];
247 gras_socket_t socket_row[PROC_MATRIX_SIZE-1];
248 memset(socket_line,0,sizeof(socket_line));
249 memset(socket_row,0,sizeof(socket_row));
253 gras_os_sleep(1); /* wait for my pals */
255 myline = assignment.linepos;
256 myrow = assignment.rowpos;
257 mydataA = assignment.A;
258 mydataB = assignment.B;
260 INFO2("Receive my pos (%d,%d) and assignment",myline,myrow);
262 /* Get my neighborhood from the assignment message (skipping myself) */
263 for (i=0 ; i<PROC_MATRIX_SIZE-1 ; i++){
264 socket_line[i]=gras_socket_client(assignment.line[i]->name,
265 assignment.line[i]->port);
266 xbt_peer_free(assignment.line[i]);
268 for (i=0 ; i<PROC_MATRIX_SIZE-1 ; i++){
269 socket_row[i]=gras_socket_client(assignment.row[i]->name,
270 assignment.row[i]->port);
271 xbt_peer_free(assignment.row[i]);
274 for (step=0; step<PROC_MATRIX_SIZE;step++) {
276 /* a line brodcast */
278 INFO3("LINE: step(%d) = Myline(%d). Broadcast my data (myport=%d).",
279 step,myline,gras_os_myport());
280 for (l=0;l < PROC_MATRIX_SIZE-1 ;l++) {
281 INFO2("LINE: Send to %s:%d",
282 gras_socket_peer_name(socket_row[l]),
283 gras_socket_peer_port(socket_row[l]));
284 gras_msg_send(socket_row[l],
285 gras_msgtype_by_name("dataB"),
291 bB = xbt_matrix_new_sub(mydataB,
292 submatrix_size,submatrix_size,
297 gras_msg_wait(600,gras_msgtype_by_name("dataB"),&from,&bB);
299 RETHROW0("Can't get a data message from line : %s");
301 INFO4("LINE: step(%d) <> Myline(%d). Receive data from %s:%d",step,myline,
302 gras_socket_peer_name(from), gras_socket_peer_port(from));
307 INFO2("ROW: step(%d)=myrow(%d). Broadcast my data",step,myrow);
308 for (l=1;l < PROC_MATRIX_SIZE ; l++) {
309 INFO2("ROW: Send to %s:%d",
310 gras_socket_peer_name(socket_line[l-1]),
311 gras_socket_peer_port(socket_line[l-1]));
312 gras_msg_send(socket_line[l-1],gras_msgtype_by_name("dataA"), &mydataA);
315 bA = xbt_matrix_new_sub(mydataA,
316 submatrix_size,submatrix_size,
321 gras_msg_wait(1200,gras_msgtype_by_name("dataA"), &from,&bA);
323 RETHROW0("Can't get a data message from row : %s");
325 INFO3("ROW: step(%d)<>myrow(%d). Receive data from %s",step,myrow,
326 gras_socket_peer_name(from));
328 xbt_matrix_double_addmult(bA,bB,bC);
332 /* send Result to master */
334 result.linepos=myline;
338 gras_msg_send(master, gras_msgtype_by_name("result"),&result);
340 RETHROW0("Failed to send answer to server: %s");
342 INFO2(">>>>>>>> Result sent to %s:%d <<<<<<<<",
343 gras_socket_peer_name(master),gras_socket_peer_port(master));
344 /* Free the allocated resources, and shut GRAS down */
350 xbt_matrix_free(mydataA);
351 xbt_matrix_free(mydataB);
352 gras_socket_close(master);
353 gras_socket_close(from);
354 /* FIXME: some are said to be unknown
355 for (l=0; l < PROC_MATRIX_SIZE-1; l++) {
357 gras_socket_close(socket_line[l]);
359 gras_socket_close(socket_row[l]);
365 int slave(int argc,char *argv[]) {
366 gras_socket_t mysock;
367 gras_socket_t master;
369 /* Init the GRAS's infrastructure */
370 gras_init(&argc, argv);
373 /* Register the known messages and my callback */
375 gras_cb_register(gras_msgtype_by_name("pmm_slave"),pmm_worker_cb);
377 /* Create the connexions */
378 mysock = gras_socket_server_range(3000,9999,0,0);
379 gras_os_sleep(1); /* let the master get ready */
380 INFO1("Sensor starting (on port %d)",gras_os_myport());
381 master = gras_socket_client_from_string(argv[1]);
383 /* Join and run the group */
384 amok_pm_group_join(master,"pmm");
385 amok_pm_mainloop(600);
388 gras_socket_close(mysock);
389 // gras_socket_close(master); Unknown