int main(int argc, char *argv[])
{
printf("The first four letters of the alphabet:\n");
print_A();
print_B();
print_C();
print_D();
return(RETVALUE);
}
int main(int argc, char **argv) {
/* Timing variables */
struct timeval etstart, etstop; /* Elapsed times using gettimeofday() */
struct timezone tzdummy;
clock_t etstart2, etstop2; /* Elapsed times using times() */
unsigned long long usecstart, usecstop;
struct tms cputstart, cputstop; /* CPU times for my processes */
/* Process program parameters */
parameters(argc, argv);
/* Initialize A and B */
initialize_inputs();
/* Print input matrices */
print_inputs();
/* Start Clock */
printf("\nStarting clock.\n");
gettimeofday(&etstart, &tzdummy);
etstart2 = times(&cputstart);
/* Gaussian Elimination */
matrixNorm();
/* Stop Clock */
gettimeofday(&etstop, &tzdummy);
etstop2 = times(&cputstop);
printf("Stopped clock.\n");
usecstart = (unsigned long long)etstart.tv_sec * 1000000 + etstart.tv_usec;
usecstop = (unsigned long long)etstop.tv_sec * 1000000 + etstop.tv_usec;
/* Display output */
print_B();
/* Display timing results */
printf("\nElapsed time = %g ms.\n",
(float)(usecstop - usecstart)/(float)1000);
printf("(CPU times are accurate to the nearest %g ms)\n",
1.0/(float)CLOCKS_PER_SEC * 1000.0);
printf("My total CPU time for parent = %g ms.\n",
(float)( (cputstop.tms_utime + cputstop.tms_stime) -
(cputstart.tms_utime + cputstart.tms_stime) ) /
(float)CLOCKS_PER_SEC * 1000);
printf("My system CPU time for parent = %g ms.\n",
(float)(cputstop.tms_stime - cputstart.tms_stime) /
(float)CLOCKS_PER_SEC * 1000);
printf("My total CPU time for child processes = %g ms.\n",
(float)( (cputstop.tms_cutime + cputstop.tms_cstime) -
(cputstart.tms_cutime + cputstart.tms_cstime) ) /
(float)CLOCKS_PER_SEC * 1000);
/* Contrary to the man pages, this appears not to include the parent */
printf("--------------------------------------------\n");
exit(0);
}
int main(int argc, char **argv) {
/* Prototype functions*/
void gauss();
MPI_Init(&argc, &argv);
/* Get my process rank */
MPI_Comm_rank(MPI_COMM_WORLD, &my_rank);
/* Find out how many processes are being used */
MPI_Comm_size(MPI_COMM_WORLD, &p);
printf("\nProcess number %d of %d says hi\n",
my_rank+1, p);
/* Every process reads the parameters to prepare dimension */
parameters(argc, argv);
/* Every process must allocate memory for the arrays */
allocate_memory();
if ( my_rank == SOURCE ) {
/* Initialize A and B */
initialize_inputs();
/* Print input matrices */
print_inputs();
}
/*printf("\nProcess number %d of %d says hi\n",
my_rank+1, p);*/
gauss();
if ( my_rank == SOURCE ) {
/* Print input matrices */
print_A();
print_B();
print_X();
}
/* The barrier prevents any process to reach the finalize before the others have finished their communications */
MPI_Barrier(MPI_COMM_WORLD);
/* Free memory used for the arrays that we allocated previously */
free_memory();
MPI_Finalize();
}
void
run_sspath(t_csr *gs, p_list *predecesor,
lint source, double delta){
int i;
char f_buf[100];
sprintf(f_buf, "./data/log/ori");
FILE *log = fopen(f_buf, "w");
p_list *B = (p_list*)malloc(sizeof(p_list)*1000);
for(i=0;i<1000;i++){
B[i] = (p_list) malloc(sizeof(t_list));
creat_list(B[i]);
}
p_list R = (p_list)malloc(sizeof(t_list));
p_list S = (p_list)malloc(sizeof(t_list));
creat_list(R);
creat_list(S);
for(i=0;i<gs->v_size;i++)
gs->vet_info[i].weight = INFINITY;
//relax source vertex
add_list_two(B[0], source, 0.0);
gs->vet_info[source].weight = 0.0;
lint b_total = 1;
lint iter = 0;
//major computing
while(b_total>0){
empty(R);
while (B[iter]->next!=NULL){
request(gs, delta, B[iter], R, TYPE_LIGHT);
remember(B[iter], S, &b_total);
relax(gs, predecesor, B, R, delta, &b_total);
//DPRINTF(1, "finished relax\n");
}
request(gs, delta, S, R, TYPE_HEAVY);
relax(gs, predecesor, B, R, delta, &b_total);
print_B(B, log, iter);
//printf("=================iter %ld\n", iter);
iter++;
//DPRINTF(1, "finished iteration %lld \n", iter);
}
//DPRINTF(1, "iterations taken %lld\n", iter);
//for(i=0;i<gs->v_size;i++)
// DPRINTF(1, "vertex %lld %f\n", (i+1), gs->vet_info[i].weight);
//DPRINTF(1, "\n");
}
int main()
{
msg_count_login = 0;
user_count = 0;
bad_login_count = 0;
A_menu:
while (1)
{
print_A();
if (handle_A_input() == 2)
goto B_menu;
}
B_menu:
while (1)
{
print_B();
if (handle_B_input() == 2)
goto A_menu;
}
return 0;
}
