-/* $Id$ */
/* pmm - parallel matrix multiplication "double diffusion" */
-/* Copyright (c) 2006 Ahmed Harbaoui. */
-/* Copyright (c) 2006 Martin Quinson. */
-/* 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"
#include "xbt/matrix.h"
+#include "amok/peermanagement.h"
+
#define PROC_MATRIX_SIZE 2
+#define NEIGHBOR_COUNT PROC_MATRIX_SIZE - 1
#define SLAVE_COUNT (PROC_MATRIX_SIZE*PROC_MATRIX_SIZE)
-#define DATA_MATRIX_SIZE 4
-const int submatrix_size = DATA_MATRIX_SIZE/PROC_MATRIX_SIZE;
+#define DATA_MATRIX_SIZE 18
+const int submatrix_size = DATA_MATRIX_SIZE / PROC_MATRIX_SIZE;
-XBT_LOG_NEW_DEFAULT_CATEGORY(pmm,"Parallel Matrix Multiplication");
+XBT_LOG_NEW_DEFAULT_CATEGORY(pmm, "Parallel Matrix Multiplication");
/* struct for recovering results */
-GRAS_DEFINE_TYPE(s_result,struct s_result {
- int linepos;
- int rowpos;
- xbt_matrix_t C GRAS_ANNOTE(subtype,double);
-});
+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_assignment,struct s_assignment {
- int linepos;
- int rowpos;
- xbt_host_t line[PROC_MATRIX_SIZE];
- xbt_host_t row[PROC_MATRIX_SIZE];
- xbt_matrix_t A GRAS_ANNOTE(subtype,double);
- xbt_matrix_t B GRAS_ANNOTE(subtype,double);
-});
-typedef struct s_assignment s_assignment_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) {
+static void register_messages(void)
+{
gras_datadesc_type_t result_type;
- gras_datadesc_type_t assignment_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);
- gras_datadesc_set_const("PROC_MATRIX_SIZE",PROC_MATRIX_SIZE);
- result_type=gras_datadesc_by_symbol(s_result);
- assignment_type=gras_datadesc_by_symbol(s_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("assignment", assignment_type);
-
- /* send from master to slave to ask a final result */
- gras_msgtype_declare("ask_result", gras_datadesc_by_name("int"));
-
- /* send from master to slave to indicate the begining of step */
- gras_msgtype_declare("step", gras_datadesc_by_name("int"));
- /* send from slave to master to indicate the end of the current step */
- gras_msgtype_declare("step_ack", gras_datadesc_by_name("int"));
-
- /* send data between slave */
- gras_msgtype_declare("dataA", gras_datadesc_by_name("double"));
- /* send data between slave */
- gras_msgtype_declare("dataB", gras_datadesc_by_name("double"));
+ 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_row,nbr_line;
+ int nbr_row, nbr_line;
int remaining_step;
int remaining_ack;
} master_data_t;
+int master(int argc, char *argv[])
+{
-/*** Function Scatter Sequentiel ***/
-
-static void scatter(){
-
-}/* end_of_Scatter */
-
-/*** Function: Scatter // ***/
-
-static void scatter_parl(){
-
-}/* end_of_Scatter // */
-
-/*** Function: multiplication ***/
-
-static void multiplication(){
-
-}/* end_of_multiplication */
-
-/*** Function: gather ***/
-
-static void gather(){
-
-}/* end_of_gather */
-
-int master (int argc,char *argv[]) {
-
- xbt_ex_t e;
-
- int i,port,ask_result,step;
+ int i;
- xbt_matrix_t A,B,C;
+ xbt_matrix_t A, B, C;
result_t result;
gras_socket_t from;
- /* Init the GRAS's infrastructure */
+ 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 */
+
+ /* Init the GRAS's infrastructure */
gras_init(&argc, argv);
+ amok_pm_init();
+ register_messages();
- xbt_host_t grid[SLAVE_COUNT]; /* The slaves */
- gras_socket_t socket[SLAVE_COUNT]; /* sockets for brodcast to slaves */
-
- /* Initialize 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);
-
- //xbt_matrix_dump(B,"B:seq",0,xbt_matrix_dump_display_double);
-
-
- /* Get arguments and create sockets */
- port=atoi(argv[1]);
- //scatter();
- //scatter_parl();
- //multiplication();
- //gather();
- //display(A);
- /************************* Init Data Send *********************************/
- int step_ack;
- gras_os_sleep(5);
-
- for( i=1;i<argc && i<=SLAVE_COUNT;i++){
- grid[i-1]=xbt_host_from_string(argv[i]);
- socket[i-1]=gras_socket_client(grid[i-1]->name,grid[i-1]->port);
-
- INFO2("Connected to %s:%d.",grid[i-1]->name,grid[i-1]->port);
+ /* 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));
+
+ 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);
}
- /* FIXME: let the surnumerous slave die properly */
- int row=0, line=0;
- for(i=0 ; i<SLAVE_COUNT; i++){
- s_assignment_t assignment;
- int j;
- assignment.linepos=line; // assigned line
- assignment.rowpos=row; // assigned row
+ /* 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; j<PROC_MATRIX_SIZE; j++) {
- assignment.row[j] = grid[ j*PROC_MATRIX_SIZE+(row) ] ;
- assignment.line[j] = grid[ (line)*PROC_MATRIX_SIZE+j ] ;
+ 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);
- //xbt_matrix_dump(assignment.B,"assignment.B",0,xbt_matrix_dump_display_double);
+ 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;
+ row = 0;
line++;
}
-
- gras_msg_send(socket[i],gras_msgtype_by_name("assignment"),&assignment);
- // INFO3("Send assignment to %s : data A= %.3g & data B= %.3g",
- // gras_socket_peer_name(socket[i]),mydata.a,mydata.b);
+ gras_msg_send(socket[i], "pmm_slave", &assignment);
+ xbt_matrix_free(assignment.A);
+ xbt_matrix_free(assignment.B);
}
- // end assignment
- /******************************* multiplication ********************************/
- INFO0("XXXXXXXXXXXXXXXXXXXXXX begin Multiplication");
-
- for (step=0; step < PROC_MATRIX_SIZE; step++){
- for (i=0; i< SLAVE_COUNT; i++){
- TRY {
- gras_msg_send(socket[i], gras_msgtype_by_name("step"), &step);
- } CATCH(e) {
- gras_socket_close(socket[i]);
- RETHROW0("Unable to send the msg : %s");
- }
- }
- INFO1("XXXXXX Next step (%d)",step);
+ /* 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);
+ }
- /* wait for computing and slave messages exchange */
+ /* 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 */
- i=0;
- while ( i< SLAVE_COUNT) {
- TRY {
- gras_msg_wait(1300,gras_msgtype_by_name("step_ack"),&from,&step_ack);
- } CATCH(e) {
- RETHROW0("Can't get a Ack step message from slave : %s");
- }
- i++;
- DEBUG3("Got step ack from %s (got %d of %d)",
- gras_socket_peer_name(from), i, SLAVE_COUNT);
+ 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);
}
}
- /********************************* 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);
- xbt_matrix_copy_values(result.C,C, submatrix_size,submatrix_size,
- submatrix_size*result.linepos,
- submatrix_size*result.rowpos,
- 0,0,NULL);
- }
- /* end of gather */
- INFO0 ("The Result of Multiplication is :");
- xbt_matrix_dump(C,"C:res",0,xbt_matrix_dump_display_double);
+ amok_pm_group_shutdown("pmm"); /* Ok, we're out of here */
+
+ for (i = 0; i < SLAVE_COUNT; i++)
+ gras_socket_close(socket[i]);
+ xbt_matrix_free(A);
+ xbt_matrix_free(B);
+ xbt_matrix_free(C);
+ gras_exit();
return 0;
-} /* end_of_master */
+} /* end_of_master */
/* **********************************************************************
* slave code
* **********************************************************************/
-int slave(int argc,char *argv[]) {
-
- xbt_ex_t e;
+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);
- int step,port,l,result_ack=0;
- 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);
+ xbt_ex_t e;
- 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 exchange data with my neighbor */
- gras_socket_t master; /* for the barrier */
+ 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);
- /* sockets for brodcast to other slave */
- gras_socket_t socket_line[PROC_MATRIX_SIZE-1];
- gras_socket_t socket_row[PROC_MATRIX_SIZE-1];
+ int myline, myrow;
+ xbt_matrix_t mydataA, mydataB;
+ xbt_matrix_t bC =
+ xbt_matrix_double_new_zeros(submatrix_size, submatrix_size);
- /* Init the GRAS's infrastructure */
+ result_t result;
- gras_init(&argc, argv);
+ gras_socket_t from; /* to exchange data with my neighbor */
- /* Get arguments and create sockets */
+ /* 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));
- port=atoi(argv[1]);
-
- /* Create my master socket */
- sock = gras_socket_server(port);
int i;
- /* Register the known messages */
- register_messages();
+ gras_os_sleep(1); /* wait for my pals */
- /* Recover my initialized Data and My Position*/
- s_assignment_t assignment;
- INFO2("Launch %s (port=%d); wait for my enrole message",argv[0],port);
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("assignment"),&master,&assignment);
- } CATCH(e) {
- RETHROW0("Can't get my assignment from master : %s");
- }
- myline = assignment.linepos;
- myrow = assignment.rowpos;
+ myline = assignment.linepos;
+ myrow = assignment.rowpos;
mydataA = assignment.A;
mydataB = assignment.B;
- INFO1("mydataB=%p",mydataB);
- INFO2("Receive my pos (%d,%d) and assignment",myline,myrow);
-
- // xbt_matrix_dump(mydataB,"myB",0,xbt_matrix_dump_display_double);
+ 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) */
- int j=0;
- for (i=0,j=0 ; i<PROC_MATRIX_SIZE ; i++){
- if (strcmp(gras_os_myname(),assignment.line[i]->name)) {
- socket_line[j]=gras_socket_client(assignment.line[i]->name,
- assignment.line[i]->port);
- j++;
- }
- xbt_host_free(assignment.line[i]);
+ 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,j=0 ; i<PROC_MATRIX_SIZE ; i++){
- if (strcmp(gras_os_myname(),assignment.row[i]->name)) {
- socket_row[j]=gras_socket_client(assignment.row[i]->name,
- assignment.row[i]->port);
- j++;
- }
- xbt_host_free(assignment.row[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]);
}
-
- do { //repeat until compute Cb
-
- TRY {
- gras_msg_wait(200,gras_msgtype_by_name("step"),NULL,&step);
- } CATCH(e) {
- RETHROW0("Can't get a Next Step message from master : %s");
- }
- INFO1("Receive a step message from master: step = %d ",step);
+ 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 */
- gras_os_sleep(3); // IL FAUT EXPRIMER LE TEMPS D'ATTENTE EN FONCTION DE "SLAVE_COUNT"
-
- if(myline==step){
- INFO2("step(%d) = Myline(%d)",step,myline);
- for (l=0;l < PROC_MATRIX_SIZE-1 ;l++){
- INFO1("mydataB=%p",mydataB);
- gras_msg_send(socket_row[l],
- gras_msgtype_by_name("dataB"),
- &mydataB);
- INFO1("mydataB=%p",mydataB);
-
- xbt_matrix_free(bB);
- INFO1("mydataB=%p",mydataB);
- xbt_matrix_dump(mydataB,"myB",0,xbt_matrix_dump_display_double);
- bB = xbt_matrix_new_sub(mydataB,
- submatrix_size,submatrix_size,
- 0,0,NULL);
-
- INFO0("send my data B to my (vertical) neighbors");
+ 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 {
- INFO2("step(%d) <> Myline(%d)",step,myline);
TRY {
- INFO1("mydataB=%p",mydataB);
- xbt_matrix_free(bB);
- INFO1("mydataB=%p",mydataB);
- gras_msg_wait(600,gras_msgtype_by_name("dataB"),&from,&bB);
- INFO1("mydataB=%p",mydataB);
- } CATCH(e) {
- RETHROW0("Can't get a data message from line : %s");
+ xbt_matrix_free(bB);
+ gras_msg_wait(600, "dataB", &from, &bB);
+ }
+ CATCH(e) {
+ RETHROW0("Can't get a data message from line : %s");
}
- INFO1("Receive data B from my neighbor: %s",
- gras_socket_peer_name(from));
+ VERB3("LINE: step(%d) <> Myline(%d). Receive data from %s", step,
+ myline, gras_socket_peer_name(from));
}
/* a row brodcast */
- if (myrow==step) {
- for (l=1;l < PROC_MATRIX_SIZE ;l++){
- gras_msg_send(socket_line[l-1],gras_msgtype_by_name("dataA"), &mydataA);
- xbt_matrix_free(bA);
- bA = xbt_matrix_new_sub(mydataA,
- submatrix_size,submatrix_size,
- 0,0,NULL);
-
- INFO0("send my data A to my (horizontal) neighbors");
+ 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,gras_msgtype_by_name("dataA"), &from,&bA);
- } CATCH(e) {
- RETHROW0("Can't get a data message from row : %s");
+ xbt_matrix_free(bA);
+ gras_msg_wait(1200, "dataA", &from, &bA);
}
- INFO1("Receive data A from my neighbor : %s ",
- gras_socket_peer_name(from));
+ 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 a ack msg to master */
-
- gras_msg_send(master,gras_msgtype_by_name("step_ack"),&step);
-
- INFO1("Send ack to master for to end %d th step",step);
-
- } while (step < PROC_MATRIX_SIZE);
- /* wait Message from master to send the result */
-
- result.C=bC;
- result.linepos=myline;
- result.rowpos=myrow;
-
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("ask_result"),
- &master,&result_ack);
- } CATCH(e) {
- RETHROW0("Can't get a data message from line : %s");
- }
+ xbt_matrix_double_addmult(bA, bB, bC);
+
+ };
+
/* send Result to master */
+ result.C = bC;
+ result.linepos = myline;
+ result.rowpos = myrow;
+
TRY {
- gras_msg_send(master, gras_msgtype_by_name("result"),&result);
- } CATCH(e) {
- // gras_socket_close(from);
- RETHROW0("Failed to send PING to server: %s");
+ gras_msg_send(master, "result", &result);
}
- INFO2(">>>>>>>> Result sent to %s:%d <<<<<<<<",
- gras_socket_peer_name(master),gras_socket_peer_port(master));
+ 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 */
- gras_socket_close(master);
- gras_socket_close(from);
+
+ 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();
- INFO0("Done.");
return 0;
-} /* end_of_slave */
+} /* end_of_slave */
