-/* pmm - paralel matrix multiplication "double diffusion" */
+/* $Id$ */
+/* pmm - parallel matrix multiplication "double diffusion" */
/* Copyright (c) 2006- Ahmed Harbaoui. All rights reserved. */
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "gras.h"
-#define MATRIX_SIZE 3
+#define PROC_MATRIX_SIZE 3
+#define SLAVE_COUNT (PROC_MATRIX_SIZE*PROC_MATRIX_SIZE)
-XBT_LOG_NEW_DEFAULT_CATEGORY(pmm,"Messages specific to this example");
+#define DATA_MATRIX_SIZE 3
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(pmm,"Parallel Matrix Multiplication");
GRAS_DEFINE_TYPE(s_matrix,struct s_matrix {
- int rows;
- int cols;
- double *data GRAS_ANNOTE(size, rows*cols);
+ int rows;
+ int cols;
+ double *data GRAS_ANNOTE(size, rows*cols);
};)
typedef struct s_matrix matrix_t;
/* struct for recovering results */
GRAS_DEFINE_TYPE(s_result,struct s_result {
- int i;
- int j;
- double value;
+ int i;
+ int j;
+ double value;
});
typedef struct s_result result_t;
-/* struct to send initial data to sensor */
+/* 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;
+ int myrow;
+ int mycol;
+ double a;
+ double b;
});
typedef struct s_init_data init_data_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_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);
- gras_msgtype_declare("init_data", init_data_type);
-
- gras_msgtype_declare("ask_result", gras_datadesc_by_name("int"));
- gras_msgtype_declare("step", gras_datadesc_by_name("int"));
- gras_msgtype_declare("step_ack", gras_datadesc_by_name("int"));
- gras_msgtype_declare("data", gras_datadesc_by_name("int"));
+ 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
}
/* Function prototypes */
-int maestro (int argc,char *argv[]);
-int sensor (int argc,char *argv[]);
+int slave (int argc,char *argv[]);
+int master (int argc,char *argv[]);
+
/* **********************************************************************
- * Maestro code
+ * master code
* **********************************************************************/
/* Global private data */
int nbr_col,nbr_row;
int remaining_step;
int remaining_ack;
-} maestro_data_t;
-
+} master_data_t;
-static int maestro_cb_data_handler(gras_msg_cb_ctx_t ctx, void *payload) {
-
- xbt_ex_t e;
- /* 1. Get the payload into the msg variable */
- int msg=*(int*)payload_data;
-
- gras_socket_t expeditor = gras_msg_cb_ctx_from(ctx);
-
- /*code of callback */
-
- /* 8. Make sure we don't leak sockets */
- gras_socket_close(expeditor);
-
- /* 9. Tell GRAS that we consummed this message */
- return 1;
-} /* end_of_maestro_cb_data_handler */
/*** Function initilaze matrixs ***/
static void initmatrix(matrix_t *X){
- int i;
- for(i=0 ; i<X.rows*X.cols; i++)
- X.data[i]=1.0;//1.0*rand()/(RAND_MAX+1.0);
+ int i;
+ for(i=0 ; i<(X->rows)*(X->cols); i++)
+ X->data[i]=1.0;//*rand()/(RAND_MAX+1.0);
} /* end_of_initmatrixs */
/*** Function Scatter Sequentiel ***/
/*** Function: multiplication ***/
static void multiplication(){
-
- int step,i;
-
- for (step=1; step <= MATRIX_SIZE; step++){
- for (i=0; i< nbr_sensor; i++){
- TRY {
- gras_msg_send(proc[(i/3)+1][(i%3)+1], gras_msgtype_by_name("step"), &step); /* initialize Mycol, MyRow, mydataA,mydataB*/
-
- myrow,mycol,mydataA,mydataB
- } CATCH(e) {
- gras_socket_close(proc[(i/3)+1][(i%3)+1]);
- RETHROW0("Unable to send the msg : %s");
- }
- }
- /* wait for computing and sensor messages exchange */
- 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 Maestro : %s");
- }
- }
}/* end_of_multiplication */
static void gather(){
-
}/* end_of_gather */
/*** Function: Display Matrix ***/
static void display(matrix_t X){
-int i,j,t=0;
+ int i,j,t=0;
printf(" ");
for(j=0;j<X.cols;j++)
printf("%.3d ",j);
- printf("\n");
- printf(" __");
+ 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("____");
- 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");
+ printf("%.3g ",X.data[t++]);
+ printf("|\n");
+ }
+ printf(" --");
+ for(j=0;j<X.cols;j++)
+ printf("----");
+ printf("-\n");
}/* end_of_display */
-int maestro (int argc,char *argv[]) {
+int master (int argc,char *argv[]) {
-xbt_ex_t e;
-int i,ask_result,step;
-result_t result;
-matrix_t A,B,C;
+ xbt_ex_t e;
- gras_socket_t socket[MATRIX_SIZE*MATRIX_SIZE]; /* sockets for brodcast to other sensor */
-
+ 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[SLAVE_COUNT]; /* sockets for brodcast to slaves */
/* Initialize Matrixs */
- A.rows=A.cols=MATRIX_SIZE;
- B.rows=B.cols=MATRIX_SIZE;
- C.rows=C.cols=MATRIX_SIZE;
+ A.rows=A.cols=DATA_MATRIX_SIZE;
+ B.rows=B.cols=DATA_MATRIX_SIZE;
+ C.rows=C.cols=DATA_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);
+ A.data=xbt_malloc0(sizeof(double)*DATA_MATRIX_SIZE*DATA_MATRIX_SIZE);
+ B.data=xbt_malloc0(sizeof(double)*DATA_MATRIX_SIZE*DATA_MATRIX_SIZE);
+ C.data=xbt_malloc0(sizeof(double)*DATA_MATRIX_SIZE*DATA_MATRIX_SIZE);
- initmatrix(&A);
- initmatrix(&B);
+ initmatrix(&A);
+ initmatrix(&B);
- /* Init the GRAS's infrastructure */
- gras_init(&argc, argv);
- /* Get arguments and create sockets */
- port=atoi(argv[1]);
- //scatter();multiplication();gather();
- //scatter_parl();
- /****************************** Init Data Send *********************************/
- int j=0;
- init_data_t mydata;
- for( i=2;i< argc;i+=3){
+ /* 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);
- 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.myrow=argv[i+1]; // My rank of row
- mydata.mycol=argv[i+2]; // My rank of 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)];;
+ mydata.a=A.data[(mydata.myrow-1)*PROC_MATRIX_SIZE+(mydata.mycol-1)];
+ mydata.b=B.data[(mydata.myrow-1)*PROC_MATRIX_SIZE+(mydata.mycol-1)];;
- gras_msg_send(socket[j],gras_msgtype_by_name("init_data"),&mydata);
- j++;
- } // end init Data Send
-
- /******************************* multiplication ********************************/
-
- for (step=1; step <= MATRIX_SIZE; step++){
- for (i=0; i< nbr_sensor; i++){
- TRY {
- gras_msg_send(socket[i], gras_msgtype_by_name("step"), &step); /* initialize Mycol, MyRow, mydataA,mydataB*/
-
- myrow,mycol,mydataA,mydataB
- } CATCH(e) {
- gras_socket_close(socket[i]);
- RETHROW0("Unable to send the msg : %s");
- }
- }
+ 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");
- /* wait for computing and sensor messages exchange */
- for (i=0; i< nbr_sensor; i++){
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name(""),&from,&mydata);
- } CATCH(e) {
- RETHROW0("I Can't get a init Data message from Maestro : %s");
- }
- }
- }
- /********************************* gather ***************************************/
+ for (step=1; step <= PROC_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;
- int ask_result=0;
- for( i=1;i< argc;i++){
- gras_msg_send(socket[i],gras_msgtype_by_name("ask_result"),&ask_result);
- }
- /* 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 */
- display(C);
+ 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 ***************************************/
-return 0;
-} /* end_of_maestro */
+ 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)*DATA_MATRIX_SIZE+(result.j-1)]=result.value;
+ }
+ /* end of gather */
+ INFO0 ("The Result of Multiplication is :");
+ display(C);
+
+ return 0;
+} /* end_of_master */
/* **********************************************************************
- * Sensor code
+ * slave code
* **********************************************************************/
-int sensor(int argc,char *argv[]) {
+int slave(int argc,char *argv[]) {
xbt_ex_t e;
- static int bC=0;
- static int myrow,mycol;
- static double mydataA,mydataB;
- int bA,bB;
- int step,l,result=0;
+ int step,port,l,result_ack=0;
+ double bA,bB;
- gras_socket_t from; /* to recive from server for steps */
+ int myrow,mycol;
+ double mydataA,mydataB;
+ double bC=0;
+
+ // static end_step;
- gras_socket_t socket_row[2],socket_column[2]; /* sockets for brodcast to other sensor */
+ result_t result;
+
+ gras_socket_t from,sock; /* to recive from server for steps */
+
+ /* sockets for brodcast to other slave */
+ gras_socket_t socket_row[PROC_MATRIX_SIZE-1];
+ gras_socket_t socket_column[PROC_MATRIX_SIZE-1];
/* Init the GRAS's infrastructure */
/* Get arguments and create sockets */
port=atoi(argv[1]);
- int i;
- for (i=1;i<MATRIX_SIZE;i++){
- socket_row[i]=gras_socket_client(argv[i+1],port);
- socket_column[i]=gras_socket_client(argv[i+MATRIX_SIZE],port);
- }
- INFO2("Launch %s (port=%d)",argv[0],port);
-
+
/* 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
+
+ int i;
+ for (i=1;i<PROC_MATRIX_SIZE;i++){
+ socket_row[i-1]=gras_socket_client(argv[i+1],port);
+ socket_column[i-1]=gras_socket_client(argv[i+PROC_MATRIX_SIZE],port);
+ }
/* Register the known messages */
register_messages();
/* 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);
+ gras_msg_wait(600,gras_msgtype_by_name("init_data"),&from,&mydata);
} CATCH(e) {
- RETHROW0("I Can't get a init Data message from Maestro : %s");
+ RETHROW0("I Can't get a init Data message from master : %s");
}
myrow=mydata.myrow;
mycol=mydata.mycol;
mydataA=mydata.a;
mydataB=mydata.b;
-
- INFO4("Recover MY POSITION (%d,%d) and MY INIT DATA ( A=%.3g | B=%.3g )",
+ 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; // juste intilization for loop
-
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("step"),&from,&step);
- } CATCH(e) {
- RETHROW0("I Can't get a Next Step message from Maestro : %s");
- }
+ step=PROC_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 < PROC_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 < PROC_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 < PROC_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);
- /* Wait for sensors startup */
- gras_os_sleep(1);
-
- if (step < MATRIX_SIZE){
- /* a row brodcast */
- if(myrow==step){
- for (l=1;l < MATRIX_SIZE ;l++){
- gras_msg_send(socket_row[l], gras_msgtype_by_name("data"), &mydataB);
- bB=mydataB;
- }
- }
- else
- {
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("data"),
- &from,&bB);
- } CATCH(e) {
- RETHROW0("I Can't get a data message from row : %s");
- }
- }
- /* a column brodcast */
- if(mycol==step){
- for (l=1;l < MATRIX_SIZE ;l++){
- gras_msg_send(socket_column[l],gras_msgtype_by_name("data"), &mydataA);
- bA=mydataA;
- }
- }
- else
- {
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("data"),
- &from,&bA);
- } CATCH(e) {
- RETHROW0("I Can't get a data message from column : %s");
- }
- }
- bC+=bA*bB;
- }
- /* send a ack msg to Maestro */
+ /* send a ack msg to master */
- gras_msg_send(from,gras_msgtype_by_name("step_ack"),&step);
+ gras_msg_send(from,gras_msgtype_by_name("step_ack"),&step);
- INFO1("Send ack to maestro for to end %d th step",step);
+ INFO1("Send ack to master for to end %d th step",step);
+ }
+ if(step==PROC_MATRIX_SIZE-1) break;
- if(step==MATRIX_SIZE-1) break;
-
- } while (step < MATRIX_SIZE);
- /* wait Message from maestro to send the result */
- /*after finished the bC computing */
- TRY {
- gras_msg_wait(600,gras_msgtype_by_name("result"),
- &from,&result);
- } CATCH(e) {
- RETHROW0("I Can't get a data message from row : %s");
- }
- /* 5. send Result to the Maestro */
- TRY {
- gras_msg_send(from, gras_msgtype_by_name("result"),&bC);
- } CATCH(e) {
- gras_socket_close(from);
- RETHROW0("Failed to send PING to server: %s");
- }
- INFO3(">>>>>>>> Result: %d 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_sensor */
\ No newline at end of file
+ } while (step < PROC_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 */
