Example #1
0
int read_md5_file(const char *c)
{
	char buff[HASH_LENGTH], found_name[256], remaining_name[256];

	/* Create the found and remaining names */
	snprintf(found_name, sizeof(found_name), "%s%s", c, ".found");
	snprintf(remaining_name, sizeof(remaining_name), "%s%s", c, ".remaining");

	/* Open the file to get the number of lines */
	FILE *file = fopen(c, "r");
	if (!file) {
		printf("%s failed to open password file: %d\n", __func__, errno);
		return 0;
	}

	found = fopen(found_name, "a");
	remaining = fopen(remaining_name, "w");
	if (!found) {
		printf("%s failed to open found password file: %d\n", __func__, errno);
		return 0;
	} else if (!remaining) {
		printf("%s failed to open remaining password file: %d\n", __func__, errno);
		return 0;
	}

	/* Count the number of lines */
	while (fgets(buff, HASH_LENGTH, file))
		count++;

	/* Initialize the buckets */
	init_buckets(count);

        /* Allocate the buffer */
	hash_buff = allocate_buffer(count);
	if (hash_buff == NULL)
		return 1;

	/* Read in the buffer */
	fseek(file, 0, SEEK_SET);
	count = 0;

	while (fgets(buff, HASH_LENGTH, file)) {
		md5_binary(buff, &hash_buff[count]);
		count++;
	}

	qsort(hash_buff, count, sizeof(md5_binary_t), compare_md5);
	fclose(file);

	/* Build the buckets */
	build_buckets(count);

	return count;
}
Example #2
0
int main(int argc, char **argv) {
	FILE *handles[128];
	FILE *finput;
	int currChar;
	DataBucket buckets[128];
	int j;

	char tempFileName[32] = { '\0' };
	char *tempBuff;
	int i;
	int numRecords = FILE_SEEK_SIZE;
	struct timeval start_time,end_time;
	gettimeofday(&start_time,NULL);
	for (i = 32; i < 127; i++) {
		init_buckets(&buckets[i]);
	}
	tempBuff = (char *) malloc(sizeof(char) * FILE_SEEK_SIZE * RECORD_LENGTH);
	finput = fopen(argv[1], "rb");

	for (i = 32; i < 127; i++) {
		sprintf(tempFileName, "%s.%d", argv[1], i);
		handles[i] = fopen(tempFileName, "wb");
	}

	j = 0;
	do {
		numRecords = fread(tempBuff, RECORD_LENGTH, FILE_SEEK_SIZE, finput);
		//printf("%d\n",numRecords);
		for (i = 0; i < numRecords; i++) {
			currChar = tempBuff[i * RECORD_LENGTH];

			strncpy(&buckets[currChar].dataStore[RECORD_LENGTH * buckets[currChar].numRecords], &tempBuff[i * RECORD_LENGTH], RECORD_LENGTH);
			buckets[currChar].numRecords++;
		}
		j++;
		if (j > 90) {
			for (i = 32; i < 127; i++)
				//printf("\n Bucket : %d Num of records %d", i,buckets[i].numRecords);
			fwrite(buckets[i].dataStore, RECORD_LENGTH * buckets[i].numRecords, 1, handles[i]);
			j = 0;

			//reinit buffers
			for (i = 32; i < 127; i++)
				buckets[i].numRecords = 0;
		}

	} while (numRecords == FILE_SEEK_SIZE);

	if (j <= 90) {
		for (i = 32; i < 127; i++)
			fwrite(buckets[i].dataStore, RECORD_LENGTH * buckets[i].numRecords,
					1, handles[i]);
	}
	fclose(finput);
	for (i = 32; i < 127; i++) {
		if (handles[i] != NULL) {
			fclose(handles[i]);
		}
	}
	gettimeofday(&end_time,NULL);
	printf("\nTotal execution time - %lf s\n",(end_time.tv_sec - start_time.tv_sec) +  (end_time.tv_usec - start_time.tv_usec)/1000000.0);
	return 0;
}
int main(int argc, char *argv[])
{    
    /* definitions */
    int nocells;           /* number of cells */
    int nonets;            /* number of nets */
    int nopins;            /* number of pins */
    int noparts;           /* number of partitions */
    int totsize;           /* total net weight of the partition */
    int totcellsize;       /* total cell weight of the partition */
    int cutsize;           /* cutsize of the partition */
    int max_gain;          /* max gain of a cell */
    int max_density;       /* max density of a cell */
    int max_cweight;       /* max cell weight */
    int max_nweight;       /* max net weight */
    int bucketsize;        /* max size of a bucket array */
    int msize;             /* index to mcells */

    if (argc < 5) {
        printf("\nUsage: %s InputFileName NoParts InCount OutCount [Seed]\n", argv[0]);
	printf("\t#cells moved per phase = incount * nocells / 4\n");
	printf("\t\tUse 1, 2, 3, or 4 for incount.\n");
	printf("\t#cells moved per pass = nocells if outcount = 1,\n");
	printf("\t#cells moved per pass = nocells * noparts if outcount = 2, and\n");
	printf("\t#cells moved per pass = nocells * noparts * noparts if outcount = 3.\n");
        exit(1);
    }  /* if */

    char fname[STR_SIZE];
    sprintf(fname, "%s", argv[1]);

    noparts = atoi(argv[2]);

    int incount = atoi(argv[3]);
    int outcount = atoi(argv[4]);

    long seed;
    if (argc > 5) {
        seed = (long) atoi(argv[5]);
    } else {
        seed = (long) -1;
    }
    seed = randomize((long)  seed);
    printf("SEED = %ld fname = %s\n", seed, fname);

    read_graph_size(fname, &nocells, &nonets);
    nopins = 2 * nonets;

    /* determine what in- & out-count imply */
    int max_moved_cells = incount * nocells / 4;
    switch (outcount) {
    case 1 : outcount = nocells; break;
    case 2 : outcount = nocells * noparts; break;
    case 3 : outcount = nocells * noparts * noparts; break;
    default : break;
    }
    /* max_noiter = outcount / max_moved_cells;*/ /* do that many iterations */
    int max_noiter = outcount;

    /* alloc memory for all data structures */
    cells_t *cells = (cells_t *) calloc(nocells, sizeof(cells_t));
    assert(cells != NULL);
    cells_info_t *cells_info = (cells_info_t *) calloc(nocells, sizeof(cells_info_t));
    assert(cells_info != NULL);
    for (int i = 0; i < nocells; i++) {
        cells_info[i].mgain = (int *) calloc(noparts, sizeof(int));
        cells_info[i].partb_ptr = (bnode_ptr_t *) calloc(noparts - 1, sizeof(bnode_ptr_t));
        cells_info[i].partb_gain_inx = (int *) calloc(noparts - 1, sizeof(int));
    }

    nets_t *nets = (nets_t *) calloc(nonets, sizeof(nets_t));
    assert(nets != NULL);

    /* cells of nets */
    corn_t *cnets = (corn_t *) calloc(nopins, sizeof(corn_t));
    assert(cnets != NULL);

    /* partition buckets */
    partb_t partb[noparts][noparts - 1];  
    parts_info_t parts_info[noparts]; 

    /* population (w/ one individual!) */
    ind_t pop[MAX_POP];             
    for (int i = 0; i < MAX_POP; i++) {
        pop[i].chrom = (allele *) calloc(nocells, sizeof(allele));
        pop[i].parts = (parts_t *) calloc(noparts, sizeof(parts_t));
    }

    /* selected cell */
    selected_cell_t scell[1];     

    /* moved cells */
    mcells_t *mcells = (mcells_t *) calloc(2 * max_noiter, sizeof(mcells_t));
    assert(mcells != NULL);

    /* temp chrom */
    allele *tchrom = (allele *) calloc(nocells, sizeof(allele));
    assert(tchrom != NULL);
  
    read_graph(fname, nocells, nonets, noparts, &totsize, &totcellsize,
               &max_density, &max_cweight, &max_nweight,
               cells, nets, cnets);

    max_gain = max_density * max_nweight;
    bucketsize = 2 * max_gain + 1;

    /* alloc memory (statically if possible) */
    for (int i = 0; i < noparts; i++) {
        for (int j = 0; j < noparts - 1; ++j) {
            partb[i][j].bnode_ptr = (bnode_ptr_t *) calloc(bucketsize, sizeof(bnode_ptr_t));
        }
    }

    create_partition(nocells, noparts, totcellsize, 
                     cells, &pop[0]);

#ifdef DEBUG
    printf("Initial : Part_no min_size curr_size max_size\n");
    for (int i = 0; i < noparts; i++) {
        printf("II %d %d %d %d\n", i, pop[0].parts[i].pmin_size,
               pop[0].parts[i].pcurr_size, pop[0].parts[i].pmax_size);
    }
#endif

    init_buckets(noparts, bucketsize, partb);
    cutsize = find_cut_size(nonets, totsize, nets, &pop[0]);

#ifdef DEBUG
    printf("Totalsize = %d Initial cutsize = %d\n", totsize, cutsize);
#endif

    int gain_sum;
    int glob_inx = 0;
    int pass_no = 0;
    do {

        copy_partition(noparts, parts_info, &pop[0]);

        for (int i = 0; i < nocells; i++) {
            tchrom[i] = pop[0].chrom[i];
        }

        msize = 0;

        int noiter = 0;
        while (noiter < max_noiter) {

            compute_gains(nocells, noparts, tchrom, 
                          cells, nets, cnets, cells_info);

            create_buckets(nocells, noparts, max_gain, tchrom, partb, cells_info);

            /* max_moved_cells = nocells / 2; */
            int nlocked = 0;
            do {

                int move_possible = select_cell(noparts, scell, parts_info, cells, 
                                                partb, cells_info);

                delete_partb_nodes_of_cell(noparts, scell[0].mov_cell_no, 
                                           scell[0].from_part, partb, cells_info);

                /* lock cell */
                cells_info[scell[0].mov_cell_no].locked = True;
                if (move_possible == True) {
                    move_cell(mcells, msize, scell, tchrom);  
                    msize++;
                    update_gains(noparts, max_gain, scell, tchrom,
                                 cells, nets, cnets,
                                 partb, cells_info);
                }   /* if */
                nlocked++;

                noiter++;
            } while ((nlocked < max_moved_cells) && (noiter < max_noiter)); 

            free_nodes(noparts, bucketsize, partb);

        }   /* while */

        int max_mcells_inx;
        gain_sum = find_move_set(mcells, msize, &max_mcells_inx);

#ifdef DEBUG
        printf("gain_sum=%d max_mcells_inx=%d msize = %d\n",
               gain_sum, max_mcells_inx, msize);
#endif
        if (gain_sum > 0) {
            int cut_gain = move_cells(False, mcells, max_mcells_inx, cutsize, &glob_inx, 
                                      &pop[0], cells);
            cutsize -= cut_gain;
        }   /* if */
        pass_no++;

#ifdef DEBUG
        printf("pass_no = %d Final cutsize = %d Check cutsize = %d\n", pass_no,
               cutsize, find_cut_size(nonets, totsize, nets, &pop[0]));
#endif

    } while ((gain_sum > 0) && (cutsize > 0));

    printf("pass_no = %d Final cutsize = %d Check cutsize = %d\n", pass_no,
           cutsize, find_cut_size(nonets, totsize, nets, &pop[0]));

    free_nodes(noparts, bucketsize, partb);

#ifdef DEBUG
    printf("Final : Part_no min_size curr_size max_size\n");
    for (int i = 0; i < noparts; i++) {
        printf("FF %d %d %d %d\n", i, pop[0].parts[i].pmin_size,
               pop[0].parts[i].pcurr_size, pop[0].parts[i].pmax_size);
    }
#endif

    /* free memory for all data structures */
    cfree(cells);
    for (int i = 0; i < nocells; i++) {
        cfree(cells_info[i].mgain);
        cfree(cells_info[i].partb_ptr);
        cfree(cells_info[i].partb_gain_inx);
    }
    cfree(cells_info);

    cfree(nets);

    cfree(cnets);

    for (int i = 0; i < noparts; i++) {
        for (int j = 0; j < noparts - 1; ++j) {
            cfree(partb[i][j].bnode_ptr);
        }
    }

    for (int i = 0; i < MAX_POP; i++) {
        cfree(pop[i].chrom);
        cfree(pop[i].parts);
    }

    cfree(mcells);

    cfree(tchrom);

    return (0);
}   /* main-plm */
Example #4
0
int __init buses_init(void)
{
	init_buckets(_bus_buckets);
	return subsystem_register(&bus_subsys);
}
Example #5
0
Simulation::Simulation(){
	init_buckets();
	simulate();
}