Exemple #1
0
bitstring* sdm_thread_read(struct sdm_memory* sdm, bitstring* address) {
	pthread_t thread[sdm_thread_count];
	sdm_thread_params params[sdm_thread_count];
	int32_t adder[sdm_thread_count][bs_dimension];
	int32_t adder2[bs_dimension];
	adder_t adder3[bs_dimension];
	unsigned int i, j;
	for(i=0; i<sdm_thread_count; i++) {
		params[i].id = i;
		params[i].sdm = sdm;
		params[i].address = address;
		params[i].adder = adder[i];
		pthread_create(&thread[i], NULL, sdm_thread_read_task, (void*) &params[i]);
	}
	for(i=0; i<sdm_thread_count; i++) {
		pthread_join(thread[i], NULL);
	}
	// clear accumulator
	for(j=0; j<bs_dimension; j++) adder2[j] = 0;
	// accumulate
	for(i=0; i<sdm_thread_count; i++) {
		for(j=0; j<bs_dimension; j++) {
			adder2[j] += adder[i][j];
		}
	}
	// we can't add all adders in an adder_t type because
	// it will probably overflow.
	for(j=0; j<bs_dimension; j++) {
		if (adder2[j] > 0) adder3[j] = 1;
		else if (adder2[j] < 0) adder3[j] = -1;
		else adder3[j] = (rand()%2 == 0 ? 1 : -1);
	}
	//printf("Hardlocation inside radius %d = %d\n", sdm_radius, counter);
	return bs_init_adder(bs_alloc(), adder3);
}
Exemple #2
0
bitstring* hl_read(hardlocation* hl) {
	return bs_init_adder(bs_alloc(), hl->adder);
}