int user_send_lp_data(void *user, void **user_lp)
{
/* This gives you access to the user data structure. */
spp_problem *spp = (spp_problem *) user;
col_ordered *m = spp->cmatrix;
#if defined(COMPILE_IN_TM) && defined(COMPILE_IN_LP)
spp_lp_problem *spp_lp = (spp_lp_problem *)
calloc(1, sizeof(spp_lp_problem));
*user_lp = (void *) spp_lp;
spp_lp->par = spp->lp_par;
spp_lp->cmatrix = m;
/* initialize some data structures in spp */
spp_init_lp(spp_lp);
#else
/* Here, we send that data using message passing and the rest is
done in user_receive_lp_data() in the LP process */
send_char_array((char *)spp->lp_par, sizeof(spp_lp_params));
send_int_array(&m->colnum, 1);
send_int_array(&m->rownum, 1);
send_int_array(&m->nzcnt, 1);
send_int_array(m->colnames, m->colnum);
send_dbl_array(m->obj, m->colnum);
send_int_array(m->matbeg, (m->colnum + 1));
send_char_array((char *)m->matind, m->nzcnt * sizeof(row_ind_type));
#endif
return(USER_SUCCESS);
}
int user_send_cg_data(void *user, void **user_cg)
{
spp_problem *spp = (spp_problem *)user;
col_ordered *m = spp->cmatrix;
int colnum = m->colnum;
#if defined(COMPILE_IN_TM) && defined(COMPILE_IN_LP) && defined (COMPILE_IN_CG)
spp_cg_problem *spp_cg = (spp_cg_problem *)calloc(1,sizeof(spp_cg_problem));
*user_cg = (void *) spp_cg;
spp_cg->par = spp->cg_par;
spp_cg->cmatrix = m;
/* allocate space for tmp arrays */
spp_cg->tmp = (spp_cg_tmp *) calloc(1, sizeof(spp_cg_tmp));
spp_cg->tmp->itmp_m = (int *) malloc(m->rownum * ISIZE);
spp_cg->tmp->istartmp_m = (int **) malloc(m->rownum * sizeof(int *));
spp_cg->tmp->cuttmp = (cut_data *) calloc(1, sizeof(cut_data));
/* initialize cg data structures */
spp_cg->fgraph = (frac_graph *) calloc(1, sizeof(frac_graph));
spp_cg->cfgraph = (frac_graph *) calloc(1, sizeof(frac_graph));
spp_cg->cm_frac = (col_ordered *) calloc(1, sizeof(col_ordered));
spp_cg->rm_frac = (row_ordered *) calloc(1, sizeof(row_ordered));
spp_cg->rm_frac->rmatbeg = (int *) malloc((m->rownum+1) * ISIZE);
spp_cg->lgraph = (level_graph *) calloc(1, sizeof(level_graph));
allocate_var_length_structures(spp_cg, spp_cg->max_sol_length);
/* cut collection is a local cut pool that contains the cuts that have
been sent back to the lp */
spp_cg->cut_coll = (cut_collection *) calloc(1, sizeof(cut_collection));
spp_cg->cut_coll->max_size = 1000;
spp_cg->cut_coll->cuts = (cut_data **) calloc(spp_cg->cut_coll->max_size,
sizeof(cut_data *));
spp_cg->cut_coll->violation = (double *)
malloc(spp_cg->cut_coll->max_size * DSIZE);
spp_cg->cut_coll->mult = (int *)
malloc(spp_cg->cut_coll->max_size * ISIZE);
#else
int info;
send_char_array((char *)spp->cg_par, sizeof(spp_cg_params));
send_int_array(&colnum, 1);
send_int_array(&m->rownum, 1);
send_int_array(&m->nzcnt, 1);
send_int_array(m->colnames, colnum);
send_dbl_array(m->obj, colnum);
send_int_array(m->matbeg, colnum + 1);
send_char_array((char *)m->matind, m->nzcnt * sizeof(row_ind_type));
#endif
return(USER_SUCCESS);
}
void pack_double_array_desc(double_array_desc *dad, char explicit_packing)
{
send_char_array(&dad->type, 1);
send_int_array(&dad->size, 1);
if (dad->size > 0){
if (!explicit_packing && dad->type == WRT_PARENT)
send_int_array(dad->list, dad->size);
send_int_array(dad->stat, dad->size);
}
}
int main(int argc, char *argv[])
{
session *s;
session_init(&argc, &argv, &s, "Pingpong_A.spr");
if (argc < 3) return EXIT_FAILURE;
int M = atoi(argv[1]);
int N = atoi(argv[2]);
printf("M: %d, N: %d\n", M, N);
role *B = s->r(s, "B");
int val[M];
size_t sz = M;
long long start_time = sc_time();
int i;
for (i=0; i<N; i++) {
memset(val, i, M * sizeof(int));
send_int_array(val, (size_t)M, B);
sz = M;
recv_int_array(val, &sz, B);
}
long long end_time = sc_time();
printf("%s: Time elapsed: %f sec\n", s->name, sc_time_diff(start_time, end_time));
session_end(s);
return EXIT_SUCCESS;
}
int send_cg_data_u(sym_environment *env, int sender)
{
#if defined(COMPILE_IN_TM) && defined(COMPILE_IN_LP) && defined(COMPILE_IN_CG)
int i;
tm_prob *tm = env->tm;
tm->cgp = (cg_prob **) malloc(tm->par.max_active_nodes*sizeof(cg_prob *));
#pragma omp parallel for
for (i = 0; i < tm->par.max_active_nodes; i++){
tm->lpp[i]->cgp = tm->cgp[i] = (cg_prob *) calloc(1, sizeof(cg_prob));
tm->cgp[i]->par = env->par.cg_par;
tm->cgp[i]->draw_graph = env->dg_tid;
#ifdef USE_SYM_APPLICATION
CALL_USER_FUNCTION( user_send_cg_data(env->user,
&(tm->lpp[i]->cgp->user)) );
#endif
}
#else
int s_bufid;
s_bufid = init_send(DataInPlace);
send_char_array((char *)(&env->par.cg_par), sizeof(cg_params));
send_int_array(&env->dg_tid, 1);
#ifdef USE_SYM_APPLICATION
CALL_USER_FUNCTION( user_send_cg_data(env->user, NULL) );
#endif
send_msg(sender, CG_DATA);
freebuf(s_bufid);
#endif
return(FUNCTION_TERMINATED_NORMALLY);
}
void INTERMED_ERROR(char *window_name, int old_msgtag,
int receiver, int msgtag)
{
int s_bufid;
s_bufid = init_send(DataInPlace);
send_char_array(window_name, MAX_NAME_LENGTH);
send_int_array(&old_msgtag, 1);
send_msg(receiver, msgtag);
freebuf(s_bufid);
}
void broadcast(vrp_problem *vrp, int *tids, int jobs)
{
int s_bufid;
if (jobs == 0) return;
s_bufid = init_send(DataInPlace);
send_int_array(&vrp->dist.wtype, 1);
send_int_array(&vrp->vertnum, 1);
send_int_array(&vrp->depot, 1);
send_int_array(&vrp->capacity, 1);
send_int_array(vrp->demand, (int)vrp->vertnum);
if (vrp->dist.wtype != _EXPLICIT){ /* not EXPLICIT */
send_dbl_array(vrp->dist.coordx, vrp->vertnum);
send_dbl_array(vrp->dist.coordy, vrp->vertnum);
if ((vrp->dist.wtype == _EUC_3D) || (vrp->dist.wtype == _MAX_3D) ||
(vrp->dist.wtype == _MAN_3D))
send_dbl_array(vrp->dist.coordz, vrp->vertnum);
}
else{ /* EXPLICIT */
send_int_array(vrp->dist.cost, (int)vrp->edgenum);
}
msend_msg(tids, jobs, VRP_BROADCAST_DATA);
freebuf(s_bufid);
}
int main(void)
{
int r_bufid = 0, s_bufid = 0;
cg_prob *p;
int num_cuts = 0;
double elapsed;
struct timeval tout = {15, 0};
p = (cg_prob *) calloc(1, sizeof(cg_prob));
cg_initialize(p, 0);
/*------------------------------------------------------------------------*\
* The main loop -- executes continuously until the program exits
\*------------------------------------------------------------------------*/
while (TRUE){
/* Wait until a message arrives */
do{
r_bufid = treceive_msg(ANYONE, ANYTHING, &tout);
if (!r_bufid){
if (pstat(p->tree_manager) != PROCESS_OK){
printf("TM has died -- CG exiting\n\n");
exit(-401);
}
}
}while (!r_bufid);
if (cg_process_message(p, r_bufid) == USER_ERROR)
p->msgtag = USER_ERROR;
/* If there is still something in the queue, process it */
do{
r_bufid = nreceive_msg(ANYONE, ANYTHING);
if (r_bufid > 0)
if (cg_process_message(p, r_bufid) == USER_ERROR)
p->msgtag = USER_ERROR;
}while (r_bufid != 0);
/*---------------------------------------------------------------------
* Now the message queue is empty. If the last message was NOT some
* kind of LP_SOLUTION then we can't generate solutions now.
* Otherwise, generate solutions!
*---------------------------------------------------------------------*/
if (p->msgtag == LP_SOLUTION_NONZEROS || p->msgtag == LP_SOLUTION_USER ||
p->msgtag == LP_SOLUTION_FRACTIONS){
if (p->par.do_findcuts)
if ((termcode = find_cuts_u(p, NULL, &num_cuts)) < 0)
printf("Warning: User error detected in cut generator\n\n");
/*-- send signal back to the LP that the cut generator is done -----*/
s_bufid = init_send(DataInPlace);
send_int_array(&num_cuts, 1);
elapsed = used_time(&p->tt);
send_dbl_array(&elapsed, 1);
send_int_array(&p->cur_sol.xindex, 1);
send_int_array(&p->cur_sol.xiter_num, 1);
send_msg(p->cur_sol.lp, NO_MORE_CUTS);
freebuf(s_bufid);
FREE(p->cur_sol.xind);
FREE(p->cur_sol.xval);
}
}
return(0);
}
int main(int argc, char **argv){
/* Variables declaration */
int i;
int j;
/* Number of rounds to run the algorithm */
int rounds = 0;
/* Total size of the array */
int total_size = (rows * columns) / participants;
printf("Total amount of work is %d\n", total_size);
/* the amount of work that is assigned to worker1 */
int amount_of_work = floor( (worker1 + 1) * columns / participants ) - floor( worker1 * columns / participants );
printf("amount of work is %d\n", amount_of_work);
/* Session start */
session *s;
join_session(&argc, &argv, &s, "worker1.spr");
role *master = s->get_role(s, "master");
/* Dynamic memory allocation of array C */
int *C = NULL;
C = (int *) malloc(columns * sizeof(int));
if(C == NULL)
{
/* Terminate program if there is not enough memory */
fprintf(stderr, "out of memory \n");
exit(0);
}
/* Declaration of the main array */
int *Beta_worker1 = NULL;
/* Dynamic memory allocation */
Beta_worker1 = (int *) malloc( total_size * sizeof(int) );
/* Abort if there is not enough memory */
if(Beta_worker1 == NULL){
fprintf(stderr, "out of memory\n");
exit(-1);
}
/* The array that will hold the results */
int *worker1_results = NULL;
worker1_results = (int *) malloc( amount_of_work * sizeof(int) );
/* Fill with zeros the result array */
fill_with_zeros(worker1_results, amount_of_work);
/* The size of the arrays that master waits from the workers */
size_t array_C = columns;
size_t array_Beta = total_size;
/* worker1 receives the arrays in order to do the computation */
recv_int_array(master, C, &array_C);
recv_int_array(master, Beta_worker1, &array_Beta);
/* Run for 1000 rounds */
while(rounds++ < 1000){
/* Main computation from master */
for(i = 0; i < amount_of_work; i++)
for(j = 0; j < columns; j++)
worker1_results[i] += Beta_worker1[i * amount_of_work + j] * C[j];
}//End of while
/* worker1 sends the results to the master */
send_int_array(master, worker1_results, amount_of_work);
/* End Session */
end_session(s);
/* Deallocate memmory */
free(C);
C = NULL;
free(Beta_worker1);
Beta_worker1 = NULL;
free(worker1_results);
worker1_results = NULL;
return EXIT_SUCCESS;
}
JNIEXPORT jshortArray JNICALL Java_cs_ucla_edu_bwaspark_jni_SWExtendFPGAJNI_swExtendFPGAJNI
(JNIEnv *env, jobject thisObj, jint retTaskNum, jbyteArray arrayIn)
{
// shared memory
int shmid;
char *shm_addr = NULL;
// polling setting
struct timespec deadline;
deadline.tv_sec = 0;
deadline.tv_nsec = 100;
printf("Get JNI data\n");
jbyte* dataArray = (jbyte*) (*env)->GetByteArrayElements(env, arrayIn, NULL);
jsize dataArraySize = (*env)->GetArrayLength(env, arrayIn);
// shared memory setup
if((shmid = shmget(IPC_PRIVATE, FLAG_NUM * sizeof(int) + dataArraySize * sizeof(jbyte), IPC_CREAT | 0666)) < 0) {
perror("shmget failed.");
exit(1);
}
else
printf("Create shared memory: %d\n", shmid);
if((shm_addr = (char*) shmat(shmid, NULL, 0)) == (char *) -1) {
perror("Client: shmat failed.");
exit(1);
}
else
printf("Client: attach shared memory: %p\n", shm_addr);
// initialize the flags of shared memory
*((int*)shm_addr) = NOT_READY;
*((int*)(shm_addr + sizeof(int))) = NOT_READY;
// put input data
printf("Client: put input data\n");
//printf("Shmid: %d, Dataarray size: %d\n", shmid, dataArraySize);
memcpy(shm_addr + FLAG_NUM * sizeof(int), dataArray, (int) dataArraySize * sizeof(jbyte));
*((int*)shm_addr) = DONE;
//printf("After memcpy\n", shmid, dataArraySize);
// send a request (shmid) and data array size to the FPGA host thread
int int_buf[2];
int_buf[0] = shmid;
int_buf[1] = dataArraySize / 4;
//printf("Shmid: %d, Data size (# of int): %d, Task Num: %d\n", int_buf[0], int_buf[1], retTaskNum);
printf("Send shmid and data size through socket\n");
while(send_int_array(int_buf, 2)) clock_nanosleep(CLOCK_REALTIME, 0, &deadline, NULL);
// poll the shared memory
printf("Poll\n");
volatile int done = 0;
while(done == 0) {
done = (int) *((int*)(shm_addr + sizeof(int)));
clock_nanosleep(CLOCK_REALTIME, 0, &deadline, NULL);
//usleep(1);
}
//printf("fill data\n");
jshortArray ret = (*env)->NewShortArray(env, retTaskNum);
// copy data from the shared memory
int i;
jshort* fill = (jshort*) malloc(retTaskNum * sizeof(jshort));
for(i = 0; i < retTaskNum; i++)
fill[i] = *((jshort*)(shm_addr + (FLAG_NUM * 2 + i) * sizeof(jshort)));
// free the shared memory
shmdt(shm_addr);
shmctl(shmid, IPC_RMID, 0);
(*env)->SetShortArrayRegion(env, ret, 0, retTaskNum, fill);
(*env)->ReleaseByteArrayElements(env, arrayIn, dataArray, 0);
free(fill);
printf("done\n");
return ret;
}
int send_lp_data_u(sym_environment *env, int sender)
{
#if defined(COMPILE_IN_TM) && defined(COMPILE_IN_LP)
int i;
tm_prob *tm = env->tm;
tm->par.max_active_nodes = env->par.tm_par.max_active_nodes;
#ifdef _OPENMP
omp_set_dynamic(FALSE);
omp_set_num_threads(tm->par.max_active_nodes);
#else
tm->par.max_active_nodes = 1;
#endif
tm->lpp = (lp_prob **) malloc(tm->par.max_active_nodes * sizeof(lp_prob *));
#pragma omp parallel for
for (i = 0; i < tm->par.max_active_nodes; i ++){
tm->lpp[i] = (lp_prob *) calloc(1, sizeof(lp_prob));
tm->lpp[i]->proc_index = i;
tm->lpp[i]->par = env->par.lp_par;
if ((tm->lpp[i]->has_ub = env->has_ub)){
tm->lpp[i]->ub = env->ub;
}else{
env->ub = - (MAXDOUBLE / 2);
}
if (env->par.multi_criteria){
if ((tm->lpp[i]->has_mc_ub = env->has_mc_ub)){
tm->lpp[i]->mc_ub = env->mc_ub;
tm->lpp[i]->obj[0] = env->obj[0];
tm->lpp[i]->obj[1] = env->obj[1];
}else{
env->mc_ub = - (MAXDOUBLE / 2);
}
tm->lpp[i]->utopia[0] = env->utopia[0];
tm->lpp[i]->utopia[1] = env->utopia[1];
}
tm->lpp[i]->draw_graph = env->dg_tid;
tm->lpp[i]->base = *(env->base);
tm->lpp[i]->mip = env->mip;
#ifdef USE_SYM_APPLICATION
CALL_USER_FUNCTION( user_send_lp_data(env->user, &(tm->lpp[i]->user)) );
#endif
}
#else
int s_bufid;
s_bufid = init_send(DataInPlace);
send_char_array((char *)(&env->par.lp_par), sizeof(lp_params));
send_char_array(&env->has_ub, 1);
if (env->has_ub)
send_dbl_array(&env->ub, 1);
if (env->par.multi_crtieria){
send_char_array(&env->has_mc_ub, 1);
if (env->has_mc_ub){
send_dbl_array(&env->mc_ub, 1);
send_dbl_array(env->obj, 2);
}
send_dbl_array(env->utopia, 2);
}
send_int_array(&env->dg_tid, 1);
send_int_array(&env->base->varnum, 1);
if (env->base->varnum){
send_int_array(env->base->userind, env->base->varnum);
}
send_int_array(&env->base->cutnum, 1);
if (env->mip){
MIPdesc *mip = env->mip;
char has_desc = TRUE;
char has_colnames = FALSE;
send_char_array(&has_desc, 1);
send_int_array(&(mip->m), 1);
send_int_array(&(mip->n), 1);
send_int_array(&(mip->nz), 1);
send_char_array(&(mip->obj_sense), 1);
send_dbl_array(&(mip->obj_offset), 1);
send_int_array(mip->matbeg, mip->n);
send_int_array(mip->matind, mip->nz);
send_dbl_array(mip->matval, mip->nz);
send_dbl_array(mip->obj, mip->n);
if (env->par.multi_criteria){
send_dbl_array(mip->obj, mip->n);
send_dbl_array(mip->obj2, mip->n);
}
send_dbl_array(mip->rhs, mip->m);
send_char_array(mip->sense, mip->m);
send_dbl_array(mip->rngval, mip->m);
send_dbl_array(mip->ub, mip->n);
send_dbl_array(mip->lb, mip->n);
send_char_array(mip->is_int, mip->n);
if (mip->colname){
int i;
has_colnames = TRUE;
send_char_array(&has_colnames, 1);
for (i = 0; i < mip->n; i++){
send_char_array(mip->colname[i], 8);
}
}else{
send_char_array(&has_colnames, 1);
}
}else{
char has_desc = FALSE;
send_char_array(&has_desc, 1);
}
#ifdef USE_SYM_APPLICATION
CALL_USER_FUNCTION( user_send_lp_data(env->user, NULL) );
#endif
send_msg(sender, LP_DATA);
freebuf(s_bufid);
#endif
return(FUNCTION_TERMINATED_NORMALLY);
}
node_desc *create_explicit_node_desc(lp_prob *p)
{
LPdata *lp_data = p->lp_data;
int m = lp_data->m, n = lp_data->n;
int bvarnum = p->base.varnum;
var_desc **extravars = lp_data->vars + bvarnum;
int extravarnum = n - bvarnum;
int bcutnum = p->base.cutnum;
row_data *rows = lp_data->rows;
int extrarownum = m - bcutnum;
int cutindsize;
node_desc *desc = (node_desc *) calloc(1, sizeof(node_desc));
/* Will need these anyway for basis */
int *rstat = (int *) malloc(m * ISIZE);
int *cstat = (int *) malloc(n * ISIZE);
int *erstat = (extrarownum == 0) ? NULL : (int *) malloc(extrarownum*ISIZE);
int *ecstat = (extravarnum == 0) ? NULL : (int *) malloc(extravarnum*ISIZE);
int *ulist, *clist; /* this later uses tmp.i1 */
int cutcnt, i, j;
#ifndef COMPILE_IN_LP
int s_bufid, r_bufid;
#endif
get_basis(lp_data, cstat, rstat);
if (extrarownum > 0)
memcpy(erstat, rstat + bcutnum, extrarownum * ISIZE);
if (extravarnum > 0)
memcpy(ecstat, cstat + bvarnum, extravarnum * ISIZE);
/* To start with, send the non-indexed cuts (only those which will be
saved) to the treemanager and ask for names */
for (cutcnt = cutindsize = 0, i = bcutnum; i < m; i++){
if ((rows[i].cut->branch & CUT_BRANCHED_ON) ||
!rows[i].free || (rows[i].free && rstat[i] != SLACK_BASIC)){
cutindsize++;
if (rows[i].cut->name < 0)
cutcnt++;
}
}
if (cutcnt > 0){
#ifdef COMPILE_IN_LP
row_data *tmp_rows = (row_data *) malloc(cutcnt*sizeof(row_data));
for (j = 0, i = bcutnum; j < cutcnt; i++){
if (rows[i].cut->name < 0 &&
(!rows[i].free || (rows[i].free && rstat[i] != SLACK_BASIC)))
tmp_rows[j++] = rows[i];
}
unpack_cut_set(p->tm, 0, cutcnt, tmp_rows);
FREE(tmp_rows);
#else
s_bufid = init_send(DataInPlace);
send_int_array(&cutcnt, 1);
for (i = bcutnum; i < m; i++){
if (rows[i].cut->name < 0 &&
(!rows[i].free || (rows[i].free && rstat[i] != SLACK_BASIC)))
pack_cut(rows[i].cut);
}
send_msg(p->tree_manager, LP__CUT_NAMES_REQUESTED);
freebuf(s_bufid);
#endif
}
/* create the uind list and the extravars basis description */
desc->uind.type = EXPLICIT_LIST;
desc->uind.added = 0;
desc->uind.size = extravarnum;
desc->basis.extravars.type = EXPLICIT_LIST;
desc->basis.extravars.size = extravarnum;
desc->basis.extravars.list = NULL;
if (extravarnum > 0){
desc->uind.list = ulist = (int *) malloc(extravarnum * ISIZE);
desc->basis.extravars.stat = ecstat;
for (i = extravarnum - 1; i >= 0; i--)
ulist[i] = extravars[i]->userind;
if (lp_data->ordering == COLIND_ORDERED)
qsortucb_ii(ulist, ecstat, extravarnum);
}else{
desc->uind.list = NULL;
desc->basis.extravars.stat = NULL;
}
/* create the basevars basis description */
desc->basis.basevars.type = EXPLICIT_LIST;
desc->basis.basevars.size = bvarnum;
desc->basis.basevars.list = NULL;
if (bvarnum)
desc->basis.basevars.stat = cstat;
else
FREE(cstat);
/* create the not_fixed list */
desc->nf_status = lp_data->nf_status;
if (desc->nf_status == NF_CHECK_AFTER_LAST ||
desc->nf_status == NF_CHECK_UNTIL_LAST){
desc->not_fixed.type = EXPLICIT_LIST;
desc->not_fixed.added = 0;
if ((desc->not_fixed.size = lp_data->not_fixed_num) > 0){
desc->not_fixed.list = (int *) malloc(desc->not_fixed.size * ISIZE);
memcpy(desc->not_fixed.list, lp_data->not_fixed,
lp_data->not_fixed_num * ISIZE);
}else{
desc->not_fixed.list = NULL;
}
}
#ifndef COMPILE_IN_LP
/* At this point we will need the missing names */
if (cutcnt > 0){
static struct timeval tout = {15, 0};
int *names = lp_data->tmp.i1; /* m */
double start = wall_clock(NULL);
do{
r_bufid = treceive_msg(p->tree_manager, LP__CUT_NAMES_SERVED, &tout);
if (! r_bufid){
if (pstat(p->tree_manager) != PROCESS_OK){
printf("TM has died -- LP exiting\n\n");
exit(-301);
}
}
}while (! r_bufid);
p->comp_times.idle_names += wall_clock(NULL) - start;
receive_int_array(names, cutcnt);
for (j = 0, i = bcutnum; j < cutcnt; i++){
if (rows[i].cut->name < 0 &&
(!rows[i].free || (rows[i].free && rstat[i] != SLACK_BASIC)))
rows[i].cut->name = names[j++];
}
}
#endif
/* create the cutind list and the extrarows basis description */
desc->cutind.type = EXPLICIT_LIST;
desc->cutind.added = 0;
desc->cutind.size = cutindsize;
desc->basis.extrarows.type = EXPLICIT_LIST;
desc->basis.extrarows.list = NULL;
desc->basis.extrarows.size = cutindsize;
if (cutindsize > 0){
desc->cutind.list = clist = (int *) malloc(cutindsize * ISIZE);
desc->basis.extrarows.stat = erstat;
for (cutindsize = 0, i = bcutnum; i < m; i++){
if ((rows[i].cut->branch & CUT_BRANCHED_ON) ||
!rows[i].free || (rows[i].free && rstat[i] != SLACK_BASIC)){
clist[cutindsize] = rows[i].cut->name;
erstat[cutindsize++] = rstat[i];
}
}
qsortucb_ii(clist, erstat, cutindsize);
}else{
desc->cutind.list = NULL;
desc->basis.extrarows.stat = NULL;
}
/* create the baserows basis description */
desc->basis.baserows.type = EXPLICIT_LIST;
desc->basis.baserows.size = bcutnum;
desc->basis.baserows.list = NULL;
if (bcutnum)
desc->basis.baserows.stat = rstat;
else
FREE(rstat);
/* Mark that there is a basis */
desc->basis.basis_exists = TRUE;
/* Add user description */
add_to_desc_u(p, desc);
return(desc);
}
/* Main function */
int main(int argc, char **argv){
/* Variables declaration */
int i;
int j;
/* The number of non zero elements */
int *num_of_no_zeros = NULL;
/* number of rounds */
int rounds = 0;
/* Session start */
session *s;
join_session(&argc, &argv, &s, "worker3.spr");
role *Master = s->get_role(s, "Master");
printf("I am here\n");
/* Receive number of non zero elements */
receive_int(Master, &num_of_no_zeros);
printf("NUm of zeros is %d\n", *num_of_no_zeros);
/* Number of non zero elements */
int no_zeros = *num_of_no_zeros;
/* Declaration and dynamic memory allocation af array row_ptr */
int *row_ptr = (int *) malloc((nrows + 1) * sizeof(int));
if(row_ptr == NULL){
fprintf(stderr, "Out of memory, aborting program...\n");
exit(-1);
}
/* Decalration and dynamic memory allocation af array values */
int *values = (int *) malloc(no_zeros * sizeof(int));
if(values == NULL){
fprintf(stderr, "Out of memory, aborting program...\n");
exit(-1);
}
/* Declaration and dynamic memory allocation af col_ind array */
int *col_ind = (int *) malloc(no_zeros * sizeof(int));
if(col_ind == NULL){
fprintf(stderr, "Out of memory, aborting program...\n");
exit(-1);
}
/* Declaration and dynamic memory allocation af x array */
int *x = (int *) malloc(ncolumns * sizeof(int));
if(x == NULL){
fprintf(stderr, "Out of memory, aborting program...\n");
exit(-1);
}
/* Expected size of array */
size_t sz_rows = 1001;
size_t sz_cols = 1000;
size_t sz_no_zeros = no_zeros;
/* Receive row_ptr from master */
recv_int_array(Master, row_ptr, &sz_rows);
/* Receive values array from master */
recv_int_array(Master, values, &sz_no_zeros);
/* Receive col_ind array from master */
recv_int_array(Master, col_ind, &sz_no_zeros);
/* Receive x array from master */
recv_int_array(Master, x, &sz_cols);
printf("value[%d] = %d\n", 0, values[0]);
/* The array that will hold the results of the main computation */
int *results = NULL;
/* Define the amount of work that worker 1 will do */
int start_work;
int end_work;
int amount_of_work;
/* The amount of work that the master will do */
start_work = floor((worker3 * nrows)/participants) / 10;
end_work = floor(((worker3 + 1) * nrows)/participants) / 10;
amount_of_work = (end_work - start_work);
printf("start = %d - end = %d - amount of work = %d\n", start_work, end_work, amount_of_work);
/* Declaration and dynamic memory allocation af x array */
results = (int *) malloc( 2 * amount_of_work * sizeof(int));
if(results == NULL){
fprintf(stderr, "Out of memory, aborting program...\n");
exit(-1);
}
/* Run for 100 rounds */
while(rounds++ < 10000){
/* Main computation of the result. Worker1
computes the work that is assigned to it*/
for(i = start_work; i < end_work; i++){
for(j = row_ptr[i]; j < row_ptr[i + 1]; j++)
results[i] += values[j] * x[col_ind[j]];
}
}
int array[amount_of_work];
for(i = 0; i < amount_of_work; i++)
array[i] = 0;
//send_int_array(Master, array, amount_of_work);
//printf("here i am \n");
/* Send the results to the master */
//send_int_array(Master, values, amount_of_work);
send_int_array(Master, results, amount_of_work);
//send_int(Master, amount_of_work);
//recv_int_array(Master, col_ind, &sz_no_zeros);
printf("gamw!!!\n");
/* End current session */
end_session(s);
/* Free memory */
free(row_ptr);
row_ptr = NULL;
free(values);
values = NULL;
free(col_ind);
col_ind = NULL;
free(x);
x = NULL;
free(results);
results = NULL;
return EXIT_SUCCESS;
}
int main(void)
{
dg_prob *dgp;
dg_params *par;
FILE *read_from, *write_to;
int childpid, sender;
char tcl_msg[MAX_LINE_LENGTH +1];
char name[MAX_NAME_LENGTH +1], name2[MAX_NAME_LENGTH +1];
char source[MAX_NAME_LENGTH +1], target[MAX_NAME_LENGTH +1];
char title[MAX_TITLE_LENGTH +1], title2[MAX_TITLE_LENGTH +1];
char fname[MAX_FILE_NAME_LENGTH +1];
char old_weight[MAX_WEIGHT_LENGTH +1], new_weight[MAX_WEIGHT_LENGTH +1];
char new_label[MAX_LABEL_LENGTH +1];
char new_dash[MAX_DASH_PATTERN_LENGTH +1];
char *str;
int msgtag, keyword, key, r_bufid, s_bufid, bufid, bytes, len;
int i, j, k, number, add_nodenum, change_nodenum, delete_nodenum;
int add_edgenum, change_edgenum, delete_edgenum;
int nodenum, new_nodenum, edgenum, new_edgenum, node_id, edge_id;
int new_radius, old_deleted_nodenum;
unsigned int id;
win_desc *desc;
dg_graph *g;
dg_node *nodes, *nod;
dg_edge *edges, *edg;
window *win, *new_win, *source_win, *target_win;
register_process();
dgp = (dg_prob *) calloc(1, sizeof(dg_prob));
/* receive parameters from the master */
r_bufid = receive_msg(ANYONE, DG_DATA);
bufinfo(r_bufid, &bytes, &msgtag, &dgp->master);
receive_char_array((char *)&dgp->par, sizeof(dg_params));
freebuf(r_bufid);
par = &(dgp->par);
echo_commands = par->echo_commands;
/* fork the wish shell */
childpid = start_child((char *)"wish", &read_from, &write_to);
/* Source the tcl scripts into wish and invoke startUp*/
spprint(write_to, "source %s/Init.tcl\n", par->source_path);
spprint(write_to, "source %s/Tools.tcl\n", par->source_path);
spprint(write_to, "source %s/NodeEdgeBasics.tcl\n", par->source_path);
spprint(write_to, "source %s/FileMenu.tcl\n", par->source_path);
spprint(write_to, "source %s/WindowMenu.tcl\n", par->source_path);
spprint(write_to, "source %s/NodeMenu.tcl\n", par->source_path);
spprint(write_to, "source %s/EdgeMenu.tcl\n", par->source_path);
spprint(write_to, "source %s/CAppl.tcl\n", par->source_path);
spprint(write_to, "Igd_StartUp\n");
/* set application defaults to those stored in par */
spprint(write_to,
"Igd_SetApplDefaults %i %i %i %i %i %i %i {%s} {%s} %i %i %i %f {%s} {%s} {%s}\n",
par->canvas_width, par->canvas_height, par->viewable_width,
par->viewable_height, par->disp_nodelabels,
par->disp_nodeweights, par->disp_edgeweights, par->node_dash,
par->edge_dash, par->node_radius, par->interactive_mode,
par->mouse_tracking, par->scale_factor, par->nodelabel_font,
par->nodeweight_font, par->edgeweight_font);
/* invoke user initialization */
#ifdef USE_SYM_APPLICATION
CALL_USER_FUNCTION( user_initialize_dg(&dgp->user) );
#endif
while(TRUE){
msgtag = 0;
if (dgp->waiting_to_die){
for ( i = 0; i < dgp->window_num; ){
if ( ! dgp->windows[i]->wait_for_click ){
spprint(write_to, "Igd_QuitWindow %u\n",dgp->windows[i]->id);
free_window(&dgp->window_num, dgp->windows, i);
}else{
i++;
}
}
if ( ! dgp->window_num )
wait_for_you_can_die(dgp, write_to);
}
/* Interpret message coming from the tcl application. */
if (fgets(tcl_msg, 80, read_from) != NULL) {
sscanf(tcl_msg, "%i", &msgtag);
switch(msgtag){
case IGDTOI_CLICK_HAPPENED:
/* if wait_for_click is 2, send a message to the owner */
fgets(name2, MAX_NAME_LENGTH +1, read_from);
sscanf(name2, "%u", &id);
for (i = dgp->window_num - 1; i >= 0; i-- )
if ( dgp->windows[i]->id == id )
break;
if ( i < 0 ) {
/* this should never happen */
printf("Window of id %u is not found\n", id);
break;
}
if ( dgp->windows[i]->wait_for_click == 2 ) {
s_bufid = init_send(DataInPlace);
send_str(name);
send_msg(dgp->windows[i]->owner_tid, ITOC_CLICK_HAPPENED);
freebuf(s_bufid);
}
dgp->windows[i]->wait_for_click = 0;
break;
case IGDTOI_QUIT_WINDOW:
/* delete data structure corresponding to this window */
fgets(name2, MAX_NAME_LENGTH +1, read_from);
sscanf(name2, "%u", &id);
for (i = dgp->window_num - 1; i >= 0; i-- )
if ( dgp->windows[i]->id == id )
break;
if ( i < 0 ) {
/* this should never happen */
printf("Window of id %u is not found\n", id);
break;
}
spprint(write_to, "Igd_QuitWindow %u\n", id);
free_window(&dgp->window_num, dgp->windows, i);
break;
case IGDTOI_QUIT_APPLICATION:
/* delete all windows */
for ( i = 0; i < dgp->window_num; ){
if ( ! dgp->windows[i]->wait_for_click ){
spprint(write_to, "Igd_QuitWindow %u\n",dgp->windows[i]->id);
free_window(&dgp->window_num, dgp->windows, i);
}else{
i++;
}
}
dgp->waiting_to_die = TRUE;
break;
case IGDTOI_TEXT_ENTERED:
fgets(name2, MAX_NAME_LENGTH +1, read_from);
sscanf(name2, "%u", &id);
for (i = dgp->window_num - 1; i >= 0; i-- )
if ( dgp->windows[i]->id == id )
break;
win = dgp->windows[i];
if ( i < 0 ) {
/* this should never happen */
printf("Window of id %u is not found\n", id);
break;
}
fgets(tcl_msg, MAX_LINE_LENGTH +1, read_from);
sscanf(tcl_msg, "%i", &win->text_length);
win->text = (char *) malloc( (win->text_length + 1) * CSIZE);
fread(win->text, CSIZE, win->text_length, read_from);
win->text[win->text_length] = 0;
/* invoke function that interprets the message */
#ifdef USE_SYM_APPLICATION
CALL_USER_FUNCTION( user_interpret_text(dgp->user,
win->text_length,
win->text,
win->owner_tid) );
#endif
break;
case IGDTOI_REQUEST_GRAPH:
fgets(name2, MAX_NAME_LENGTH +1, read_from);
sscanf(name2, "%u", &id);
for (i = dgp->window_num - 1; i >= 0; i-- )
if ( dgp->windows[i]->id == id )
break;
if ( i < 0 ) {
/* this should never happen */
printf("Window of id %u is not found\n", id);
break;
}
display_graph_on_canvas(dgp->windows[i], write_to);
break;
default:
printf("Unknown message type from IGD to I (%i)\n", msgtag);
break;
} /* end switch */
} /* end if */
if (dgp->waiting_to_die)
continue;
/* Interpret the message coming from the C application.
All the messages except INITIALIZE_WINDOW and COPY_GRAPH
and QUIT will be put on the pipe corresponding to the appropriate
window (messages are processed in FIFO order
In case of INITIALIZE_WINDOW the data structure associated
with a winow is created (including the pipes.
In case of COPY_GRAPH a message must be placed on both the
source and the target window's pipe.
In case of QUIT all data structures are disassembled and then
the tcl application is killed. */
r_bufid = nreceive_msg(ANYONE, ANYTHING);
if (r_bufid > 0){
bufinfo(r_bufid, &bytes, &msgtag, &sender);
switch (msgtag){
case CTOI_INITIALIZE_WINDOW:
/* get the name of the new window */
receive_str(name);
receive_str(title);
/* if a window with this name already exists: error */
i = find_window(dgp->window_num, dgp->windows, name);
if ( i >= 0 ) {
INTERMED_ERROR(name, msgtag, sender,ITOC_WINDOW_ALREADY_EXISTS);
freebuf(r_bufid);
break;
}
/* allocate space for the new window */
win = init_dgwin(dgp, sender, name, title);
/* set up the window description */
receive_int_array(&number, 1);
copy_win_desc_from_par(win, &dgp->par);
for ( ; number > 0; number-- ) {
/* read out the key - value pairs */
receive_int_array(&key, 1);
set_window_desc_pvm(key, win);
}
freebuf(r_bufid);
break;
case CTOI_COPY_GRAPH:
/* Copy source's graph into target's window.
Here a message is placed onto both target's and source's
pipe so that they can wait for each other before the
actual copying happens (shake hands) */
receive_str(target);
receive_str(source);
i = find_window(dgp->window_num, dgp->windows, target);
if (i < 0) { /* target doesn't exist, send error message */
INTERMED_ERROR(target, msgtag, sender,ITOC_WINDOW_DOESNT_EXIST);
freebuf(r_bufid);
break;
}
j = find_window(dgp->window_num, dgp->windows, source);
if (j < 0) { /* source doesn't exist, send error message */
INTERMED_ERROR(source, msgtag, sender,ITOC_WINDOW_DOESNT_EXIST);
freebuf(r_bufid);
break;
}
bufid = init_send(DataInPlace);
msgtag = WAITING_TO_GET_A_COPY;
send_int_array(&msgtag, 1);
send_str(source);
add_msg(dgp->windows[i], bufid);
setsbuf(0);
bufid = init_send(DataInPlace);
msgtag = WAITING_TO_BE_COPIED;
send_int_array(&msgtag, 1);
send_str(target);
add_msg(dgp->windows[j], bufid);
setsbuf(0);
freebuf(r_bufid);
break;
case CTOI_QUIT:
/* quit from all windows, disassemble data structures.
* (actually, this will happen on the top of the while loop...) */
if (! dgp->waiting_to_die)
dgp->waiting_to_die = TRUE;
freebuf(r_bufid);
break;
case CTOI_YOU_CAN_DIE:
/* quit from all windows, disassemble data structures.
* (actually, this will happen on the top of the while loop...)
* and die */
dgp->waiting_to_die = 2 * TRUE;
freebuf(r_bufid);
break;
default:
/* Check if window with name exists. If not, send back error
message. If yes, copy the message over to window's pipe. */
receive_str(name);
len = strlen(name);
i = find_window(dgp->window_num, dgp->windows, name);
if (i < 0){
/* there is no window of that name: send error message */
INTERMED_ERROR(name, msgtag, sender,ITOC_WINDOW_DOESNT_EXIST);
freebuf(r_bufid);
break;
}
add_msg(dgp->windows[i], r_bufid);
setrbuf(0);
break;
} /* end switch */
} /* endif r_bufid > 0 */
if (dgp->waiting_to_die)
continue;
/* Process one message from each window's pipe. */
for ( i = 0; i < dgp->window_num; i++ ) {
win = dgp->windows[i];
/* if wait_for_click is set, skip */
if ( win->wait_for_click )
continue;
/* if window is waiting to be copied or waiting to get a copy, skip */
if ( win->copy_status )
continue;
/* if no message in the pipe, skip */
if (win->buf.bufread == -1)
continue;
/* else: process the message .... */
msgtag = 0;
r_bufid = get_next_msg(win);
setrbuf(r_bufid);
bufinfo(r_bufid, &bytes, &msgtag, &sender);
if (msgtag == 0){
/* This means that the message was locally 'hand-packed' */
receive_int_array(&msgtag, 1);
}
switch ( msgtag ) {
case CTOI_USER_MESSAGE:
#ifdef USE_SYM_APPLICATION
user_dg_process_message(win->user, win, write_to);
#endif
break;
case CTOI_QUIT_WINDOW:
/* delete this window */
spprint(write_to, "Igd_QuitWindow %u\n", win->id);
free_window(&dgp->window_num, dgp->windows, i);
i--;
break;
case CTOI_CHANGE_WINDOW_DESC:
/* change window descriptions */
receive_int_array(&number, 1);
for ( ; number > 0; number-- ) {
/* read out the key - value pairs */
receive_int_array(&key, 1);
set_window_desc_pvm(key, win);
}
desc = &(win->desc);
if ( win->window_displayed ) {
spprint(write_to, "Igd_SetAndExecuteWindowDesc %u %i %i %i %i %i %i %i {%s} {%s} %i %i %i %f {%s} {%s} {%s}\n",
win->id, desc->canvas_width, desc->canvas_height,
desc->viewable_width, desc->viewable_height,
desc->disp_nodelabels, desc->disp_nodeweights,
desc->disp_edgeweights, desc->node_dash,
desc->edge_dash, desc->node_radius,
desc->interactive_mode, desc->mouse_tracking,
desc->scale_factor, desc->nodelabel_font,
desc->nodeweight_font, desc->edgeweight_font);
}
break;
case CTOI_SET_GRAPH:
case CTOI_SET_AND_DRAW_GRAPH:
/* define the graph corresponding to this window */
g = &(win->g);
FREE(g->nodes);
FREE(g->edges);
receive_int_array(&g->nodenum, 1);
if ( g->nodenum ) {
nodes = g->nodes =
(dg_node *) malloc(g->nodenum * sizeof(dg_node));
for ( j = 0; j < g->nodenum; j++ ) {
read_node_desc_from_pvm(nodes+j, win);
}
}
receive_int_array(&g->edgenum, 1);
if ( g->edgenum ) {
edges = g->edges =
(dg_edge *) malloc(g->edgenum * sizeof(dg_edge));
for ( j = 0; j < g->edgenum; j++ ) {
read_edge_desc_from_pvm(edges+j, win);
}
}
if ( msgtag == CTOI_SET_AND_DRAW_GRAPH || win->window_displayed )
display_graph_on_canvas(win, write_to);
break;
case CTOI_DRAW_GRAPH:
/* first erase/create the window itself, then display all the nodes
and edges */
display_graph_on_canvas(win, write_to);
break;
case CTOI_DELETE_GRAPH:
/* delete the data structure of the graph and erase its window
if open */
FREE(win->g.nodes);
FREE(win->g.edges);
win->g.nodenum = win->g.deleted_nodenum = 0;
win->g.edgenum = win->g.deleted_edgenum = 0;
if ( win->window_displayed ){
spprint(write_to, "Igd_EraseWindow %u\n", win->id);
}
break;
case CTOI_WAIT_FOR_CLICK_NO_REPORT:
/* window will not get any messages until the Continue button
is pressed. the window has to be open to have an effect */
if ( win->window_displayed ) {
win->wait_for_click = 1;
spprint(write_to, "Igd_CApplWaitForClick %u\n", win->id);
} else {
INTERMED_ERROR(win->name, msgtag, win->owner_tid,
ITOC_WINDOW_ISNT_DISPLAYED);
}
break;
case CTOI_WAIT_FOR_CLICK_AND_REPORT:
/* window will not get any messages until the Continue button
is pressed. the window has to be open to have an effect.
the owner gets a message */
if ( win->window_displayed ) {
win->wait_for_click = 2;
spprint(write_to, "Igd_CApplWaitForClick %u\n", win->id);
} else {
INTERMED_ERROR(win->name, msgtag, win->owner_tid,
ITOC_WINDOW_ISNT_DISPLAYED);
}
break;
case CTOI_SAVE_GRAPH_TO_FILE:
/* save the graph into a file (only if it is displayed!) */
receive_str(fname);
if ( win->window_displayed ) {
spprint(write_to, "Igd_SaveGraph %u {%s}\n", win->id, fname);
} else {
INTERMED_ERROR(win->name, msgtag, win->owner_tid,
ITOC_WINDOW_ISNT_DISPLAYED);
}
break;
case CTOI_SAVE_GRAPH_PS_TO_FILE:
/* save postscript of the picture displayed. works only if
window is displayed. */
receive_str(fname);
if ( win->window_displayed ) {
spprint(write_to, "Igd_SavePs %u {%s}\n", win->id, fname);
} else {
INTERMED_ERROR(win->name, msgtag, win->owner_tid,
ITOC_WINDOW_ISNT_DISPLAYED);
}
break;
case CTOI_CLONE_WINDOW:
/* clone this window. if window is not displayed, only the
graph data structure will be copied over. */
/* wait_for_click, copy_status and text will not be copied over. */
receive_str(name2);
receive_str(title2);
if ( find_window(dgp->window_num, dgp->windows, name2) >= 0 ) {
INTERMED_ERROR(win->name, msgtag, sender,
ITOC_WINDOW_ALREADY_EXISTS);
break;
}
new_win = init_dgwin(dgp, sender, name2, title2);
copy_window_structure(new_win, win);
if ( win->window_displayed ) {
spprint(write_to,
"Igd_CopyWindowDesc %u %u\n", new_win->id, win->id);
spprint(write_to,
"Igd_InitWindow %u {%s}\n", new_win->id, title2);
spprint(write_to, "Igd_DisplayWindow %u\n", new_win->id);
spprint(write_to, "Igd_EnableCAppl %u\n", new_win->id);
spprint(write_to, "Igd_CopyGraph %u %u\n", new_win->id,win->id);
new_win->window_displayed = 1;
}
break;
case CTOI_RENAME_WINDOW:
/* change the title of the window */
receive_str(win->title);
if ( win->window_displayed ){
spprint(write_to,
"Igd_RenameWindow %u {%s}\n", win->id, win->title);
}
break;
case CTOI_RESIZE_VIEWABLE_WINDOW:
/* change the sizes of canvas */
receive_int_array(&win->desc.viewable_width, 1);
receive_int_array(&win->desc.viewable_height, 1);
if ( win->window_displayed ){
spprint(write_to, "Igd_ResizeViewableWindow %u %i %i\n",
win->id, win->desc.viewable_width,
win->desc.viewable_height);
}
break;
case CTOI_RESIZE_CANVAS:
/* change the size of the canvas */
receive_int_array(&win->desc.canvas_width, 1);
receive_int_array(&win->desc.canvas_height, 1);
if ( win->window_displayed ){
spprint(write_to, "Igd_ResizeCanvas %u %i %i\n", win->id,
win->desc.canvas_width, win->desc.canvas_height);
}
break;
case WAITING_TO_GET_A_COPY:
/* Read out the name of the source-graph from the pipe.
If the source-graph is waiting to be copied, source and
target have found each other */
receive_str(win->source) ;
win->copy_status = 2;
j = find_window(dgp->window_num, dgp->windows, win->source);
if ( j >= 0 && dgp->windows[j]->copy_status == 1 ) {
/* source graph exists and it is waiting to be copied */
source_win = dgp->windows[j];
/* copy the data structure */
copy_window_structure(win, source_win);
/* if the window is displayed, change picture */
if ( win->window_displayed ) {
display_graph_on_canvas(win, write_to);
}
/* zero out the copy stati */
win->copy_status = 0;
win->source[0] = 0;
source_win->copy_status = 0;
source_win->target[0] = 0;
}
break;
case WAITING_TO_BE_COPIED:
/* Read out the name of the target graph from the pipe.
If the target-graph is waiting to get a copy, source and
target have found each other. */
receive_str(win->target);
win->copy_status = 1;
j = find_window(dgp->window_num, dgp->windows, win->target);
if ( j >= 0 && dgp->windows[j]->copy_status == 2 ) {
/* target exists and waiting for a copy */
target_win = dgp->windows[j];
/* copy the data structure */
copy_window_structure(target_win, win);
/* if the target window is displayed, update the picture */
if ( target_win->window_displayed ) {
display_graph_on_canvas(target_win, write_to);
}
/* zero out the copy stati */
win->copy_status = 0;
win->target[0] = 0;
target_win->copy_status = 0;
target_win->source[0] = 0;
}
break;
case CTOI_MODIFY_GRAPH:
/* Make changes in the graph. The data structure is updated,
and if the window is displayed, the picture gets updated, too */
/* The message is in keyword - description pairs, with the
END_OF_MESSAGE keyword at the end. We switch on the keyword */
do {
receive_int_array(&keyword, 1);
switch ( keyword ) {
case MODIFY_ADD_NODES:
/* same format as in SET_GRAPH */
receive_int_array(&add_nodenum, 1);
if ( add_nodenum ) {
g = &(win->g);
nodenum = g->nodenum;
nodes = g->nodes = (dg_node *)
realloc(g->nodes,
(nodenum + add_nodenum) * sizeof(dg_node));
for (j = 0, new_nodenum = nodenum; j < add_nodenum; j++) {
read_node_desc_from_pvm(nodes+new_nodenum, win);
if (find_node(nodes[new_nodenum].node_id, g) < 0)
new_nodenum++;
}
g->nodenum = new_nodenum;
if ( win->window_displayed ) {
for ( j = nodenum; j < new_nodenum; j++ ) {
nod = nodes + j;
spprint(write_to,
"Igd_MakeNode %u %i %i %i {%s} {%s} %i\n",
win->id, nod->node_id, nod->posx,
nod->posy, nod->label, nod->dash,
nod->radius);
if ( *nod->weight != 0 ){
spprint(write_to,
"Igd_MakeNodeWeight %u %i {%s}\n",
win->id, nod->node_id, nod->weight);
}
}
}
}
break;
case MODIFY_CHANGE_WEIGHTS_OF_NODES:
/* change weights of nodes. nodes not in the graph or nodes
already deleted are skipped, no error message is given. */
g = &(win->g);
receive_int_array(&change_nodenum, 1);
for ( j = 0; j < change_nodenum; j++ ) {
receive_int_array(&node_id, 1);
receive_str(new_weight);
if ( (k = find_node(node_id, g)) >= 0 ) {
strcpy(g->nodes[k].weight, new_weight);
if ( win->window_displayed ) {
strcpy(old_weight, g->nodes[k].weight);
if ( *old_weight != 0 ) {
if ( *new_weight != 0 ) {
spprint(write_to,
"Igd_ChangeOneNodeWeight %u %i {%s}\n"
, win->id, node_id, new_weight);
} else {
/* new weight == 0 */
spprint(write_to,
"Igd_DeleteNodeWeight %u %i\n",
win->id, node_id);
}
} else {
/* no weight before */
if ( *new_weight != 0 ) {
spprint(write_to,
"Igd_MakeNodeWeight %u %i {%s}\n",
win->id, node_id, new_weight);
}
}
}
}
}
break;
case MODIFY_CHANGE_LABELS_OF_NODES:
/* change labels of nodes. nodes not in the graph or nodes
already deleted are skipped, no error message is given */
g = &(win->g);
receive_int_array(&change_nodenum, 1);
for ( j = 0; j < change_nodenum; j++ ) {
receive_int_array(&node_id, 1);
receive_str(new_label);
if ( (k = find_node(node_id, g)) >= 0 ) {
strcpy(g->nodes[k].label, new_label);
if ( win->window_displayed ) {
spprint(write_to,
"Igd_ChangeOneNodeLabel %u %i {%s}\n",
win->id, node_id, new_label);
}
}
}
break;
case MODIFY_CHANGE_DASH_OF_NODES:
/* change dash pattern of individual nodes. nodes not in the
graph will not cause error messages */
g = &(win->g);
receive_int_array(&change_nodenum, 1);
for ( j = 0; j < change_nodenum; j++ ) {
receive_int_array(&node_id, 1);
receive_str(new_dash);
if ( (k = find_node(node_id, g)) >= 0 ) {
strcpy(g->nodes[k].dash, new_dash);
if ( win->window_displayed ){
spprint(write_to,
"Igd_ChangeOneNodeDash %u %i {%s}\n",
win->id, node_id, new_dash);
}
}
}
break;
case MODIFY_CHANGE_RADII_OF_NODES:
/* change radii of individual nodes. nodes not in the
graph will not cause error messages */
g = &(win->g);
receive_int_array(&change_nodenum, 1);
for ( j = 0; j < change_nodenum; j++ ) {
receive_int_array(&node_id, 1);
receive_int_array(&new_radius, 1);
if ( (k = find_node(node_id, g)) >= 0 ) {
g->nodes[k].radius = new_radius;
if ( win->window_displayed ){
spprint(write_to,
"Igd_ChangeOneNodeRadius %u %i %i\n",
win->id, node_id, new_radius);
}
}
}
break;
case MODIFY_DELETE_NODES:
/* nodes not in the graph will not cause error messages */
receive_int_array(&delete_nodenum, 1);
if ( delete_nodenum ) {
g = &(win->g);
old_deleted_nodenum = g->deleted_nodenum;
for ( j = 0; j < delete_nodenum; j++ ) {
receive_int_array(&node_id, 1);
if ( (k = find_node(node_id, g)) >= 0 ) {
g->nodes[k].deleted = 1;
g->deleted_nodenum++;
if ( win->window_displayed ){
spprint(write_to,
"Igd_DeleteNode %u %i\n", win->id,
node_id);
}
}
}
if ( g->deleted_nodenum > old_deleted_nodenum ) {
/* mark edges that have at least one deleted endpoint
to be deleted. Igd_DeleteNode already took care of
deleting these edges from the picture */
for (k=g->edgenum-1, edg=g->edges; k >= 0; k--, edg++)
if ( ! edg->deleted &&
((find_node(edg->tail, g) < 0) ||
(find_node(edg->head, g) < 0))){
edg->deleted = 1;
g->deleted_edgenum++;
}
}
/* if too many nodes and/or edges have been deleted,
compress the graph */
if ( g->deleted_nodenum > 0.1 * g->nodenum ||
g->deleted_edgenum > 0.1 * g->edgenum )
compress_graph(g);
}
break;
case MODIFY_ADD_EDGES:
/* same format as in SET_GRAPH. Nonvalid edges (one or
both endpoints is not in the graph will not cause an error
message. */
receive_int_array(&add_edgenum, 1);
if ( add_edgenum ) {
g = &(win->g);
edgenum = g->edgenum;
edges = g->edges = (dg_edge *)
realloc(g->edges,
(edgenum+add_edgenum)*sizeof(dg_edge));
for (j = 0, new_edgenum = edgenum; j < add_edgenum; j++) {
edg = edges + new_edgenum;
read_edge_desc_from_pvm(edg, win);
if ((find_edge(edg->edge_id, g) < 0) &&
(find_node(edg->tail, g) >= 0) &&
(find_node(edg->head, g) >= 0))
new_edgenum++;
}
g->edgenum = new_edgenum;
if ( win->window_displayed ) {
for ( j = edgenum; j < new_edgenum; j++ ) {
edg = edges + j;
spprint(write_to, "Igd_MakeEdge %u %i %i %i {%s}\n",
win->id, edg->edge_id, edg->tail,
edg->head, edg->dash);
if ( *edg->weight != 0 ){
spprint(write_to,
"Igd_MakeEdgeWeight %u %i {%s}\n",
win->id, edg->edge_id, edg->weight);
}
}
}
}
break;
case MODIFY_CHANGE_WEIGHTS_OF_EDGES:
/* change weights of edges. edges not in the graph or edges
already deleted are skipped, no error message is given. */
g = &(win->g);
receive_int_array(&change_edgenum, 1);
for ( j = 0; j < change_edgenum; j++ ) {
receive_int_array(&edge_id, 1);
receive_str(new_weight);
if ( (k = find_edge(edge_id, g)) >= 0 ) {
strcpy(g->edges[k].weight, new_weight);
if ( win->window_displayed ) {
strcpy(old_weight, g->edges[k].weight);
if ( *old_weight != 0 ) {
if ( *new_weight != 0 ) {
spprint(write_to,
"Igd_ChangeOneEdgeWeight %u %i {%s}\n"
, win->id, edge_id, new_weight);
} else {
/* new weight : 0 */
spprint(write_to,
"Igd_DeleteEdgeWeight %u %i\n",
win->id, edge_id);
}
} else {
/* no weight before */
if ( *new_weight != 0 ) {
spprint(write_to,
"Igd_MakeEdgeWeight %u %i {%s}\n",
win->id, edge_id, new_weight);
}
}
}
}
}
break;
case MODIFY_CHANGE_DASH_OF_EDGES:
/* change dash pattern of individual edges. edges not in the
graph will not cause error messages */
g = &(win->g);
receive_int_array(&change_edgenum, 1);
for ( j = 0; j < change_edgenum; j++ ) {
receive_int_array(&edge_id, 1);
receive_str(new_dash);
if ( (k = find_edge(edge_id, g)) >= 0 ) {
strcpy(g->edges[k].dash, new_dash);
if ( win->window_displayed ){
spprint(write_to,
"Igd_ChangeOneEdgeDash %u %i {%s}\n",
win->id, edge_id, new_dash);
}
}
}
break;
case MODIFY_DELETE_EDGES:
/* edges not in the graph will not cause error messages */
g = &(win->g);
receive_int_array(&delete_edgenum, 1);
for ( j = 0; j < delete_edgenum; j++ ) {
receive_int_array(&edge_id, 1);
if ( (k = find_edge(edge_id, g)) >= 0 ) {
g->edges[k].deleted = 1;
g->deleted_edgenum++;
if ( win->window_displayed ) {
spprint(write_to, "Igd_DeleteEdge %u %i\n",
win->id, edge_id);
}
}
}
/* if too many edges have been deleted, compress the
graph */
if ( g->deleted_edgenum > 0.1 * g->edgenum )
compress_graph(g);
break;
case MODIFY_DELETE_ALL_EDGES:
/* will delete all edges from the graph */
g = &(win->g);
if ( win->window_displayed ) {
for ( j = 0; j < g->edgenum; j++ )
if ( ! g->edges[j].deleted ){
spprint(write_to, "Igd_DeleteEdge %u %i\n",
win->id, g->edges[j].edge_id);
}
}
FREE(g->edges);
g->edgenum = 0;
break;
case MODIFY_END_OF_MESSAGE:
break;
default:
printf("Unrecognized keyword %i\n", keyword);
break;
} /* end switch (keyword) */
} while ( keyword != MODIFY_END_OF_MESSAGE );
break;
case CTOI_CLEAR_MESSAGE:
if ( win->window_displayed ) {
spprint(write_to, "Igd_CApplClearCmsg %u\n", win->id);
}
break;
case CTOI_PRINT_MESSAGE:
if ( win->window_displayed ) {
str = malloc(bytes);
receive_str(str);
spprint(write_to, "Igd_CApplSetCmsg %u {%s}\n", win->id, str);
FREE(str);
}
break;
case CTOI_APPEND_MESSAGE:
if ( win->window_displayed ) {
str = malloc(bytes);
receive_str(str);
spprint(write_to, "Igd_CApplAppendCmsg %u {%s}\n", win->id,str);
FREE(str);
}
break;
default:
printf("Unknown message tag: %i\n", msgtag);
break;
} /* end switch (msgtag) */
freebuf(r_bufid);
} /* end for */
} /* end while */
return(0);
}
inline int send_int(int val, role *r, const char *label)
{
return send_int_array(&val, 1, r, label);
}
inline int bcast_int_array(const int arr[], size_t count, session *s)
{
return send_int_array(arr, count, s->r(s, "_Others"), NULL);
}
inline int bcast_int(int val, session *s)
{
return send_int_array(&val, 1, s->r(s, "_Others"), NULL);
}
void lower_bound(vrp_problem *vrp, lb_params *lb_par, heurs *lh,
int ub, int jobs, int *tids, int *sent)
{
int s_bufid, dummy;
int y, i, alpha, interval;
int *sorted_demand, trials;
int m1, numroutes = vrp->numroutes, capacity = vrp->capacity;
if (!lb_par->lower_bound)
return;
if (vrp->par.verbosity > 1)
printf("\nNow beginning lower bounding ....\n\n");
/*Calculate m1 = maximum # of single vehicle routes*/
sorted_demand = (int *) calloc (vrp->vertnum, sizeof(int));
memcpy (sorted_demand, vrp->demand, vrp->vertnum*sizeof(int));
qsort (sorted_demand+1, vrp->vertnum-1, sizeof(int), intcompar);
for (m1 = 0;; m1++)
if (!(capacity*(numroutes-m1-1) >=
sum(sorted_demand, m1+2, vrp->vertnum-1)))
break;
trials = (lb_par->lower_bound)*(numroutes-m1);
lh->tids = tids;
lh->jobs = jobs;
if (!jobs) {
fprintf(stderr, "\nNo jobs started .... \n\n");
return;
}
else if (vrp->par.verbosity >2)
printf("\n%i jobs started ...\n\n", jobs);
/*-----------------------------------------------------------------------*\
| Broadcast data to the lower bounding procedure |
\*-----------------------------------------------------------------------*/
for(i=0; i<trials; i++) {
s_bufid = init_send(DataInPlace);
send_int_array(&dummy, 1);
send_msg(tids[i%jobs], MST);
sent[i%jobs]++;
broadcast(vrp, tids+(i%jobs), 1);
s_bufid = init_send(DataInPlace);
send_int_array(&numroutes, 1);
send_int_array(&ub, 1);
send_int_array(&lb_par->lb_max_iter, 1);
send_int_array(&m1, 1);
send_msg(tids[i%jobs], VRP_LB_DATA);
}
interval = lb_par->lb_penalty_mult/lb_par->lower_bound;
for (i=trials-1, y = m1, alpha = lb_par->lb_penalty_mult; i>=0; i--, y++) {
s_bufid = init_send(DataInPlace);
send_int_array(&y, 1);
send_int_array(&alpha, 1);
send_msg(tids[i%jobs], VRP_LB_DATA2);
if (y == numroutes) {
y = m1-1;
alpha -= interval;
}
}
freebuf(s_bufid);
FREE(sorted_demand);
}
void pack_array_desc(array_desc *adesc)
{
send_char_array((char *)adesc, sizeof(array_desc));
if (adesc->type != NO_DATA_STORED && adesc->size > 0)
send_int_array(adesc->list, adesc->size);
}
