-/* pmm - paralel matrix multiplication "double diffusion" */
+/* pmm - parallel matrix multiplication "double diffusion" */
-/* Copyright (c) 2006- Ahmed Harbaoui. All rights reserved. */
+/* Copyright (c) 2006, 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "gras.h"
-#define MATRIX_SIZE 3
-#define SLAVE_COUNT 9
+#include "xbt/matrix.h"
+#include "amok/peermanagement.h"
-XBT_LOG_NEW_DEFAULT_CATEGORY(pmm,"Parallel Matrix Multiplication");
+#define PROC_MATRIX_SIZE 2
+#define NEIGHBOR_COUNT PROC_MATRIX_SIZE - 1
+#define SLAVE_COUNT (PROC_MATRIX_SIZE*PROC_MATRIX_SIZE)
-GRAS_DEFINE_TYPE(s_matrix,struct s_matrix {
- int rows;
- int cols;
- double *data GRAS_ANNOTE(size, rows*cols);
-};)
-typedef struct s_matrix matrix_t;
+#define DATA_MATRIX_SIZE 18
+const int submatrix_size = DATA_MATRIX_SIZE / PROC_MATRIX_SIZE;
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(pmm, "Parallel Matrix Multiplication");
/* struct for recovering results */
-GRAS_DEFINE_TYPE(s_result,struct s_result {
- int i;
- int j;
- double value;
-});
+GRAS_DEFINE_TYPE(s_result, struct s_result {
+ int linepos; int rowpos;
+ xbt_matrix_t C GRAS_ANNOTE(subtype, double);
+ });
+
typedef struct s_result result_t;
/* struct to send initial data to slave */
-GRAS_DEFINE_TYPE(s_init_data,struct s_init_data {
- int myrow;
- int mycol;
- double a;
- double b;
-});
-typedef struct s_init_data init_data_t;
+GRAS_DEFINE_TYPE(s_pmm_assignment, struct s_pmm_assignment {
+ int linepos;
+ int rowpos;
+ xbt_peer_t line[NEIGHBOR_COUNT];
+ xbt_peer_t row[NEIGHBOR_COUNT];
+ xbt_matrix_t A GRAS_ANNOTE(subtype, double);
+ xbt_matrix_t B GRAS_ANNOTE(subtype, double);
+ });
+
+typedef struct s_pmm_assignment s_pmm_assignment_t;
/* register messages which may be sent (common to client and server) */
-static void register_messages(void) {
- gras_datadesc_type_t result_type;
- gras_datadesc_type_t init_data_type;
- result_type=gras_datadesc_by_symbol(s_result);
- init_data_type=gras_datadesc_by_symbol(s_init_data);
-
- gras_msgtype_declare("result", result_type); // recieve a final result from slave
- gras_msgtype_declare("init_data", init_data_type); // send from master to slave to initialize data bA,bB
-
- gras_msgtype_declare("ask_result", gras_datadesc_by_name("int")); // send from master to slave to ask a final result
- gras_msgtype_declare("step", gras_datadesc_by_name("int"));// send from master to slave to indicate the begining of step
- gras_msgtype_declare("step_ack", gras_datadesc_by_name("int"));//send from slave to master to indicate the end of the current step
- gras_msgtype_declare("dataA", gras_datadesc_by_name("double"));// send data between slave
- gras_msgtype_declare("dataB", gras_datadesc_by_name("double"));// send data between slave
+static void register_messages(void)
+{
+ gras_datadesc_type_t result_type;
+ gras_datadesc_type_t pmm_assignment_type;
+
+ gras_datadesc_set_const("NEIGHBOR_COUNT", NEIGHBOR_COUNT);
+ result_type = gras_datadesc_by_symbol(s_result);
+ pmm_assignment_type = gras_datadesc_by_symbol(s_pmm_assignment);
+
+ /* receive a final result from slave */
+ gras_msgtype_declare("result", result_type);
+
+ /* send from master to slave to assign a position and some data */
+ gras_msgtype_declare("pmm_slave", pmm_assignment_type);
+
+ /* send data between slaves */
+ gras_msgtype_declare("dataA",
+ gras_datadesc_matrix(gras_datadesc_by_name
+ ("double"), NULL));
+ gras_msgtype_declare("dataB",
+ gras_datadesc_matrix(gras_datadesc_by_name
+ ("double"), NULL));
+
+ /* synchronization message */
+ gras_msgtype_declare("pmm_sync", 0);
}
/* Function prototypes */
-int slave (int argc,char *argv[]);
-int master (int argc,char *argv[]);
+int slave(int argc, char *argv[]);
+int master(int argc, char *argv[]);
/* **********************************************************************
/* Global private data */
typedef struct {
- int nbr_col,nbr_row;
+ int nbr_row, nbr_line;
int remaining_step;
int remaining_ack;
} master_data_t;
+int master(int argc, char *argv[])
+{
-/*** Function initilaze matrixs ***/
+ int i;
-static void initmatrix(matrix_t *X){
-int i;
+ xbt_matrix_t A, B, C;
+ result_t result;
-for(i=0 ; i<(X->rows)*(X->cols); i++)
- X->data[i]=1.0;//*rand()/(RAND_MAX+1.0);
-} /* end_of_initmatrixs */
+ gras_socket_t from;
-/*** Function Scatter Sequentiel ***/
+ xbt_dynar_t peers; /* group of slaves */
+ xbt_peer_t grid[SLAVE_COUNT]; /* The slaves as an array */
+ gras_socket_t socket[SLAVE_COUNT]; /* sockets for brodcast to slaves */
-static void scatter(){
+ /* Init the GRAS's infrastructure */
+ gras_init(&argc, argv);
+ amok_pm_init();
+ register_messages();
-}/* end_of_Scatter */
+ /* Initialize data matrices */
+ A = xbt_matrix_double_new_id(DATA_MATRIX_SIZE, DATA_MATRIX_SIZE);
+ B = xbt_matrix_double_new_seq(DATA_MATRIX_SIZE, DATA_MATRIX_SIZE);
+ C = xbt_matrix_double_new_zeros(DATA_MATRIX_SIZE, DATA_MATRIX_SIZE);
+
+ /* Create the connexions */
+ xbt_assert0(argc > 1, "Usage: master <port>");
+ gras_socket_server(atoi(argv[1]));
+ peers = amok_pm_group_new("pmm");
+
+ /* friends, we're ready. Come and play */
+ INFO0("Wait for peers for 2 sec");
+ gras_msg_handleall(2);
+ while (xbt_dynar_length(peers) < 9) {
+ INFO1("Got only %ld pals. Wait 2 more seconds",
+ xbt_dynar_length(peers));
+ gras_msg_handleall(2);
+ }
+ INFO1("Good. Got %ld pals", xbt_dynar_length(peers));
-/*** Function: Scatter // ***/
+ for (i = 0; i < xbt_dynar_length(peers) && i < SLAVE_COUNT; i++) {
+ xbt_dynar_get_cpy(peers, i, &grid[i]);
+ socket[i] = gras_socket_client(grid[i]->name, grid[i]->port);
+ }
+ xbt_assert2(i == SLAVE_COUNT,
+ "Not enough slaves for this setting (got %d of %d). Change the deployment file",
+ i, SLAVE_COUNT);
+
+ /* Kill surnumerous slaves */
+ for (i = SLAVE_COUNT; i < xbt_dynar_length(peers);) {
+ xbt_peer_t h;
+
+ xbt_dynar_remove_at(peers, i, &h);
+ INFO2("Too much slaves. Killing %s:%d", h->name, h->port);
+ amok_pm_kill_hp(h->name, h->port);
+ free(h);
+ }
+
+
+ /* Assign job to slaves */
+ int row = 0, line = 0;
+ INFO0("XXXXXXXXXXXXXXXXXXXXXX begin Multiplication");
+ for (i = 0; i < SLAVE_COUNT; i++) {
+ s_pmm_assignment_t assignment;
+ int j, k;
+
+ assignment.linepos = line; // assigned line
+ assignment.rowpos = row; // assigned row
+
+ /* Neiborhood */
+ for (j = 0, k = 0; j < PROC_MATRIX_SIZE; j++) {
+ if (i != j * PROC_MATRIX_SIZE + (row)) {
+ assignment.row[k] = grid[j * PROC_MATRIX_SIZE + (row)];
+ k++;
+ }
+ }
+ for (j = 0, k = 0; j < PROC_MATRIX_SIZE; j++) {
+ if (i != (line) * PROC_MATRIX_SIZE + j) {
+ assignment.line[k] = grid[(line) * PROC_MATRIX_SIZE + j];
+ k++;
+ }
+ }
+
+ assignment.A = xbt_matrix_new_sub(A,
+ submatrix_size, submatrix_size,
+ submatrix_size * line,
+ submatrix_size * row, NULL);
+ assignment.B =
+ xbt_matrix_new_sub(B, submatrix_size, submatrix_size,
+ submatrix_size * line, submatrix_size * row,
+ NULL);
+ row++;
+ if (row >= PROC_MATRIX_SIZE) {
+ row = 0;
+ line++;
+ }
+
+ gras_msg_send(socket[i], "pmm_slave", &assignment);
+ xbt_matrix_free(assignment.A);
+ xbt_matrix_free(assignment.B);
+ }
-static void scatter_parl(){
+ /* synchronize slaves */
+ for (i = 0; i < PROC_MATRIX_SIZE; i++) {
+ int j;
+ for (j = 0; j < SLAVE_COUNT; j++)
+ gras_msg_wait(600, "pmm_sync", NULL, NULL);
+ for (j = 0; j < SLAVE_COUNT; j++)
+ gras_msg_send(socket[j], "pmm_sync", NULL);
+ }
-}/* end_of_Scatter // */
+ /* Retrieve the results */
+ for (i = 0; i < SLAVE_COUNT; i++) {
+ gras_msg_wait(6000, "result", &from, &result);
+ VERB2("%d slaves are done already. Waiting for %d", i + 1,
+ SLAVE_COUNT);
+ xbt_matrix_copy_values(C, result.C, submatrix_size, submatrix_size,
+ submatrix_size * result.linepos,
+ submatrix_size * result.rowpos, 0, 0, NULL);
+ xbt_matrix_free(result.C);
+ }
+ /* end of gather */
+
+ if (xbt_matrix_double_is_seq(C))
+ INFO0("XXXXXXXXXXXXXXXXXXXXXX Ok, the result matches expectations");
+ else {
+ WARN0("the result seems wrong");
+ if (DATA_MATRIX_SIZE < 30) {
+ INFO0("The Result of Multiplication is :");
+ xbt_matrix_dump(C, "C:res", 0, xbt_matrix_dump_display_double);
+ } else {
+ INFO1("Matrix size too big (%d>30) to be displayed here",
+ DATA_MATRIX_SIZE);
+ }
+ }
-/*** Function: multiplication ***/
+ amok_pm_group_shutdown("pmm"); /* Ok, we're out of here */
-static void multiplication(){
+ for (i = 0; i < SLAVE_COUNT; i++)
+ gras_socket_close(socket[i]);
-}/* end_of_multiplication */
-
-/*** Function: gather ***/
-
-static void gather(){
-
-}/* end_of_gather */
-
-/*** Function: Display Matrix ***/
-
-static void display(matrix_t X){
-
-int i,j,t=0;
-
- printf(" ");
- for(j=0;j<X.cols;j++)
- printf("%.3d ",j);
- printf("\n");
- printf(" __");
- for(j=0;j<X.cols;j++)
- printf("____");
- printf("_\n");
-
- for(i=0;i<X.rows;i++){
- printf("%.3d | ",i);
- for(j=0;j<X.cols;j++)
- printf("%.3g ",X.data[t++]);
- printf("|\n");
- }
- printf(" --");
- for(j=0;j<X.cols;j++)
- printf("----");
- printf("-\n");
-
-}/* end_of_display */
-
-int master (int argc,char *argv[]) {
-
-xbt_ex_t e;
-
-int i,port,ask_result,step;
-
-matrix_t A,B,C;
-result_t result;
-
-gras_socket_t from;
-
- /* Init the GRAS's infrastructure */
- gras_init(&argc, argv);
-
- gras_socket_t socket[MATRIX_SIZE*MATRIX_SIZE]; /* sockets for brodcast to other slave */
-
- /* Initialize Matrixs */
-
- A.rows=A.cols=MATRIX_SIZE;
- B.rows=B.cols=MATRIX_SIZE;
- C.rows=C.cols=MATRIX_SIZE;
-
- A.data=xbt_malloc0(sizeof(double)*MATRIX_SIZE*MATRIX_SIZE);
- B.data=xbt_malloc0(sizeof(double)*MATRIX_SIZE*MATRIX_SIZE);
- C.data=xbt_malloc0(sizeof(double)*MATRIX_SIZE*MATRIX_SIZE);
-
- initmatrix(&A);
- initmatrix(&B);
-
- /* Get arguments and create sockets */
- port=atoi(argv[1]);
- //scatter();
- //scatter_parl();
- //multiplication();
- //gather();
- //display(A);
- /****************************** Init Data Send *********************************/
- int step_ack,j=0;
- init_data_t mydata;
- gras_os_sleep(60); // MODIFIER LES TEMPS D'ATTENTE 60 c trop normalement
- for( i=2;i< argc;i+=3){
- TRY {
- socket[j]=gras_socket_client(argv[i],port);
- } CATCH(e) {
- RETHROW0("Unable to connect to the server: %s");
- }
- INFO2("Connected to %s:%d.",argv[i],port);
-
- mydata.myrow=atoi(argv[i+1]); // My row
- mydata.mycol=atoi(argv[i+2]); // My column
-
- mydata.a=A.data[(mydata.myrow-1)*MATRIX_SIZE+(mydata.mycol-1)];
- mydata.b=B.data[(mydata.myrow-1)*MATRIX_SIZE+(mydata.mycol-1)];;
-
- gras_msg_send(socket[j],gras_msgtype_by_name("init_data"),&mydata);
- INFO3("Send Init Data to %s : data A= %.3g & data B= %.3g",gras_socket_peer_name(socket[j]),mydata.a,mydata.b);
- j++;
- } // end init Data Send
-
- /******************************* multiplication ********************************/
- INFO0("begin Multiplication");
-
- for (step=1; step <= MATRIX_SIZE; step++){
- gras_os_sleep(50);
- for (i=0; i< SLAVE_COUNT; i++){
- TRY {
- gras_msg_send(socket[i], gras_msgtype_by_name("step"), &step); /* initialize Mycol, MyRow, mydataA,mydataB*/
- } CATCH(e) {
- gras_socket_close(socket[i]);
- RETHROW0("Unable to send the msg : %s");
- }
- }
- INFO1("send to slave to begin a %d th step",step);
- /* wait for computing and slave messages exchange */
- i=0;
-
- while ( i< SLAVE_COUNT){
- TRY {
- gras_msg_wait(1300,gras_msgtype_by_name("step_ack"),&from,&step_ack);
- } CATCH(e) {
- RETHROW0("I Can't get a Ack step message from slave : %s");
- }
- i++;
- INFO3("Receive Ack step ack from %s (got %d of %d)",
- gras_socket_peer_name(from),
- i, SLAVE_COUNT);
- }
- }
- /********************************* gather ***************************************/
-
- ask_result=0;
- for( i=1;i< argc;i++){
- gras_msg_send(socket[i],gras_msgtype_by_name("ask_result"),&ask_result);
- INFO1("Send (Ask Result) message to %s",gras_socket_peer_name(socket[i]));
- }
- /* wait for results */
- for( i=1;i< argc;i++){
- gras_msg_wait(600,gras_msgtype_by_name("result"),&from,&result);
- C.data[(result.i-1)*MATRIX_SIZE+(result.j-1)]=result.value;
- }
- /* end of gather */
- INFO0 ("The Result of Multiplication is :");
- display(C);
-
-return 0;
-} /* end_of_master */
+ xbt_matrix_free(A);
+ xbt_matrix_free(B);
+ xbt_matrix_free(C);
+ gras_exit();
+ return 0;
+} /* end_of_master */
/* **********************************************************************
* slave code
* **********************************************************************/
-int slave(int argc,char *argv[]) {
+static int pmm_worker_cb(gras_msg_cb_ctx_t ctx, void *payload)
+{
+ /* Recover my initialized Data and My Position */
+ s_pmm_assignment_t assignment = *(s_pmm_assignment_t *) payload;
+ gras_socket_t master = gras_msg_cb_ctx_from(ctx);
- xbt_ex_t e;
+ xbt_ex_t e;
- int step,port,l,result_ack=0;
- double bA,bB;
+ int step, l;
+ xbt_matrix_t bA = xbt_matrix_new(submatrix_size, submatrix_size,
+ sizeof(double), NULL);
+ xbt_matrix_t bB = xbt_matrix_new(submatrix_size, submatrix_size,
+ sizeof(double), NULL);
- int myrow,mycol;
- double mydataA,mydataB;
- double bC=0;
-
-// static end_step;
+ int myline, myrow;
+ xbt_matrix_t mydataA, mydataB;
+ xbt_matrix_t bC =
+ xbt_matrix_double_new_zeros(submatrix_size, submatrix_size);
result_t result;
-
- gras_socket_t from,sock; /* to recive from server for steps */
- gras_socket_t socket_row[MATRIX_SIZE-1],socket_column[MATRIX_SIZE-1]; /* sockets for brodcast to other slave */
+ gras_socket_t from; /* to exchange data with my neighbor */
- /* Init the GRAS's infrastructure */
+ /* sockets for brodcast to other slave */
+ gras_socket_t socket_line[PROC_MATRIX_SIZE - 1];
+ gras_socket_t socket_row[PROC_MATRIX_SIZE - 1];
+ memset(socket_line, 0, sizeof(socket_line));
+ memset(socket_row, 0, sizeof(socket_row));
- gras_init(&argc, argv);
+ int i;
- /* Get arguments and create sockets */
+ gras_os_sleep(1); /* wait for my pals */
- port=atoi(argv[1]);
-
- /* Create my master socket */
- sock = gras_socket_server(port);
- INFO2("Launch %s (port=%d)",argv[0],port);
- gras_os_sleep(1); //wait to start all slaves
+ myline = assignment.linepos;
+ myrow = assignment.rowpos;
+ mydataA = assignment.A;
+ mydataB = assignment.B;
- int i;
- for (i=1;i<MATRIX_SIZE;i++){
- socket_row[i-1]=gras_socket_client(argv[i+1],port);
- socket_column[i-1]=gras_socket_client(argv[i+MATRIX_SIZE],port);
+ if (gras_if_RL())
+ INFO0("Receive my pos and assignment");
+ else
+ INFO2("Receive my pos (%d,%d) and assignment", myline, myrow);
+
+ /* Get my neighborhood from the assignment message (skipping myself) */
+ for (i = 0; i < PROC_MATRIX_SIZE - 1; i++) {
+ socket_line[i] = gras_socket_client(assignment.line[i]->name,
+ assignment.line[i]->port);
+ xbt_peer_free(assignment.line[i]);
+ }
+ for (i = 0; i < PROC_MATRIX_SIZE - 1; i++) {
+ socket_row[i] = gras_socket_client(assignment.row[i]->name,
+ assignment.row[i]->port);
+ xbt_peer_free(assignment.row[i]);
}
- /* Register the known messages */
- register_messages();
+ for (step = 0; step < PROC_MATRIX_SIZE; step++) {
+ gras_msg_send(master, "pmm_sync", NULL);
+ gras_msg_wait(600, "pmm_sync", NULL, NULL);
+
+ /* a line brodcast */
+ if (myline == step) {
+ VERB2("LINE: step(%d) = Myline(%d). Broadcast my data.", step,
+ myline);
+ for (l = 0; l < PROC_MATRIX_SIZE - 1; l++) {
+ VERB1("LINE: Send to %s", gras_socket_peer_name(socket_row[l]));
+ gras_msg_send(socket_row[l], "dataB", &mydataB);
+ }
+
+
+ xbt_matrix_free(bB);
+ bB = xbt_matrix_new_sub(mydataB,
+ submatrix_size, submatrix_size, 0, 0, NULL);
+ } else {
+ TRY {
+ xbt_matrix_free(bB);
+ gras_msg_wait(600, "dataB", &from, &bB);
+ }
+ CATCH(e) {
+ RETHROW0("Can't get a data message from line : %s");
+ }
+ VERB3("LINE: step(%d) <> Myline(%d). Receive data from %s", step,
+ myline, gras_socket_peer_name(from));
+ }
+
+ /* a row brodcast */
+ if (myrow == step) {
+ VERB2("ROW: step(%d)=myrow(%d). Broadcast my data.", step, myrow);
+ for (l = 1; l < PROC_MATRIX_SIZE; l++) {
+ VERB1("ROW: Send to %s",
+ gras_socket_peer_name(socket_line[l - 1]));
+ gras_msg_send(socket_line[l - 1], "dataA", &mydataA);
+ }
+ xbt_matrix_free(bA);
+ bA = xbt_matrix_new_sub(mydataA,
+ submatrix_size, submatrix_size, 0, 0, NULL);
+ } else {
+ TRY {
+ xbt_matrix_free(bA);
+ gras_msg_wait(1200, "dataA", &from, &bA);
+ }
+ CATCH(e) {
+ RETHROW0("Can't get a data message from row : %s");
+ }
+ VERB3("ROW: step(%d)<>myrow(%d). Receive data from %s", step, myrow,
+ gras_socket_peer_name(from));
+ }
+ xbt_matrix_double_addmult(bA, bB, bC);
+
+ };
+
+ /* send Result to master */
+ result.C = bC;
+ result.linepos = myline;
+ result.rowpos = myrow;
- /* Recover my initialized Data and My Position*/
- init_data_t mydata;
- INFO0("wait for init Data");
TRY {
- gras_msg_wait(600,gras_msgtype_by_name("init_data"),&from,&mydata);
- } CATCH(e) {
- RETHROW0("I Can't get a init Data message from master : %s");
+ gras_msg_send(master, "result", &result);
}
- myrow=mydata.myrow;
- mycol=mydata.mycol;
- mydataA=mydata.a;
- mydataB=mydata.b;
- INFO4("Recive MY POSITION (%d,%d) and MY INIT DATA ( A=%.3g | B=%.3g )",
- myrow,mycol,mydataA,mydataB);
- step=1;
-
- do { //repeat until compute Cb
- step=MATRIX_SIZE+1; // just intilization for loop
-
- TRY {
- gras_msg_wait(200,gras_msgtype_by_name("step"),&from,&step);
- } CATCH(e) {
- RETHROW0("I Can't get a Next Step message from master : %s");
- }
- INFO1("Recive a step message from master: step = %d ",step);
-
- if (step < MATRIX_SIZE ){
- /* a row brodcast */
- gras_os_sleep(3); // IL FAUT EXPRIMER LE TEMPS D'ATTENTE EN FONCTION DE "SLAVE_COUNT"
- if(myrow==step){
- INFO2("step(%d) = Myrow(%d)",step,myrow);
- for (l=1;l < MATRIX_SIZE ;l++){
- gras_msg_send(socket_column[l-1], gras_msgtype_by_name("dataB"), &mydataB);
- bB=mydataB;
- INFO1("send my data B (%.3g) to my (vertical) neighbors",bB);
- }
- }
- if(myrow != step){
- INFO2("step(%d) <> Myrow(%d)",step,myrow);
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("dataB"),
- &from,&bB);
- } CATCH(e) {
- RETHROW0("I Can't get a data message from row : %s");
- }
- INFO2("Recive data B (%.3g) from my neighbor: %s",bB,gras_socket_peer_name(from));
- }
- /* a column brodcast */
- if(mycol==step){
- for (l=1;l < MATRIX_SIZE ;l++){
- gras_msg_send(socket_row[l-1],gras_msgtype_by_name("dataA"), &mydataA);
- bA=mydataA;
- INFO1("send my data A (%.3g) to my (horizontal) neighbors",bA);
- }
- }
-
- if(mycol != step){
- TRY {
- gras_msg_wait(1200,gras_msgtype_by_name("dataA"),
- &from,&bA);
- } CATCH(e) {
- RETHROW0("I Can't get a data message from column : %s");
- }
- INFO2("Recive data A (%.3g) from my neighbor : %s ",bA,gras_socket_peer_name(from));
- }
- bC+=bA*bB;
- INFO1(">>>>>>>> My BC = %.3g",bC);
-
- /* send a ack msg to master */
-
- gras_msg_send(from,gras_msgtype_by_name("step_ack"),&step);
-
- INFO1("Send ack to master for to end %d th step",step);
- }
- if(step==MATRIX_SIZE-1) break;
-
- } while (step < MATRIX_SIZE);
- /* wait Message from master to send the result */
-
- result.value=bC;
- result.i=myrow;
- result.j=mycol;
-
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("ask_result"),
- &from,&result_ack);
- } CATCH(e) {
- RETHROW0("I Can't get a data message from row : %s");
- }
- /* send Result to master */
- TRY {
- gras_msg_send(from, gras_msgtype_by_name("result"),&result);
- } CATCH(e) {
- // gras_socket_close(from);
- RETHROW0("Failed to send PING to server: %s");
- }
- INFO3(">>>>>>>> Result: %.3f sent to %s:%d <<<<<<<<",
- bC,
- gras_socket_peer_name(from),gras_socket_peer_port(from));
- /* Free the allocated resources, and shut GRAS down */
- gras_socket_close(from);
- gras_exit();
- INFO0("Done.");
- return 0;
-} /* end_of_slave */
+ CATCH(e) {
+ RETHROW0("Failed to send answer to server: %s");
+ }
+ VERB2(">>>>>>>> Result sent to %s:%d <<<<<<<<",
+ gras_socket_peer_name(master), gras_socket_peer_port(master));
+ /* Free the allocated resources, and shut GRAS down */
+
+ xbt_matrix_free(bA);
+ xbt_matrix_free(bB);
+ xbt_matrix_free(bC);
+
+ xbt_matrix_free(mydataA);
+ xbt_matrix_free(mydataB);
+ /* FIXME: some are said to be unknown
+ gras_socket_close(master);
+ gras_socket_close(from);
+ for (l=0; l < PROC_MATRIX_SIZE-1; l++) {
+ if (socket_line[l])
+ gras_socket_close(socket_line[l]);
+ if (socket_row[l])
+ gras_socket_close(socket_row[l]);
+ } */
+
+ return 0;
+}
+
+int slave(int argc, char *argv[])
+{
+ gras_socket_t mysock;
+ gras_socket_t master = NULL;
+ int connected = 0;
+ int rank;
+
+ /* Init the GRAS's infrastructure */
+ gras_init(&argc, argv);
+ amok_pm_init();
+ if (argc != 3 && argc != 2)
+ xbt_die("Usage: slave masterhost:masterport [rank]");
+ if (argc == 2)
+ rank = -1;
+ else
+ rank = atoi(argv[2]);
+
+ /* Register the known messages and my callback */
+ register_messages();
+ gras_cb_register("pmm_slave", pmm_worker_cb);
+
+ /* Create the connexions */
+ mysock = gras_socket_server_range(3000, 9999, 0, 0);
+ INFO1("Sensor %d starting", rank);
+ while (!connected) {
+ xbt_ex_t e;
+ TRY {
+ master = gras_socket_client_from_string(argv[1]);
+ connected = 1;
+ }
+ CATCH(e) {
+ if (e.category != system_error)
+ RETHROW;
+ xbt_ex_free(e);
+ gras_os_sleep(0.5);
+ }
+ }
+ INFO2("Connected to master: %s:%d",gras_socket_peer_name(master),gras_socket_peer_port(master));
+
+ /* Join and run the group */
+ rank = amok_pm_group_join(master, "pmm");
+ amok_pm_mainloop(600);
+
+ /* housekeeping */
+ gras_socket_close(mysock);
+ // gras_socket_close(master); Unknown
+ gras_exit();
+ return 0;
+} /* end_of_slave */
