int main () {
if ( (sem_init (&binsem, 0, 1)) != 0) {
printf("\n Error creating semaphore\n");
exit(1);
}
srand(time(NULL));
clock_t start, end;
double cpu_time_used;
start = clock();
init();
memoryMaxer();
end = clock();
cpu_time_used = ((double) (end - start)) / CLOCKS_PER_SEC;
printf("\n\n TOTAL TIME TAKEN IS: %g \n\n", cpu_time_used);
sem_destroy(&binsem);
return 0;
}
/**
* Run the stress tests.
*/
int main(int argc, char *argv[]){
if (argc != 3){
printf("Correct usage is ./test <test-number> <eviction-algorithm-number>\n");
exit(0);
}
else {
int choice = atoi(argv[1]);
EVICT_ALGO_NUMBER = atoi(argv[2]);
clock_t begin, end;
if (choice == 1) {
begin = clock();
memoryMaxer();
end = clock();
printf("FOR EVICTION ALGORITHM %d\n", EVICT_ALGO_NUMBER);
printf("--------Time spent on memoryMaxer() = %f s\n", (double) (end - begin)/CLOCKS_PER_SEC );
}
else if (choice == 2) {
begin = clock();
testRAM();
end = clock();
printf("FOR EVICTION ALGORITHM %d\n", EVICT_ALGO_NUMBER);
printf("--------Time spent on testRAM() = %f s\n", (double) (end - begin)/CLOCKS_PER_SEC);
}
else if (choice == 3) {
begin = clock();
testFullMemory();
end = clock();
printf("FOR EVICTION ALGORITHM %d\n", EVICT_ALGO_NUMBER);
printf("--------Time spent on testFullMemory() = %f s\n", (double) (end - begin)/CLOCKS_PER_SEC);
}
else if (choice == 4){
// This test checks multithreading. We will uncomment this in our demo, to demonstrate that it works
begin = clock();
testMultithreaded();
end = clock();
printf("FOR EVICTION ALGORITHM %d\n", EVICT_ALGO_NUMBER);
printf("--------Time spent on testMultithreaded() = %f s\n", (double) (end - begin)/CLOCKS_PER_SEC);
}
return 0;
}
}
// Main to test this algorithm
int main() {
// Setup timevals
struct timeval startTime, endTime;
// Run a variety of functions
__initialize(); // Initialize the page fault simulator
printf("=-=-=-=-= MEMORY MAXER\n\n");
gettimeofday(&startTime, NULL); // Measure time performance
memoryMaxer();
gettimeofday(&endTime, NULL); // Measure time performace
printf("=-=-=-=-= Memory Maxer Statistics:\n");
printf(" Time taken for execution with random algorithm for picking pages = %ld msec\n\n", timedifference(endTime, startTime));
printf("=-=-=-=-= PERSONAL FUNCTION 1\n\n");
gettimeofday(&startTime, NULL); // Measure time performance
memoryTester();
gettimeofday(&endTime, NULL); // Measure time performace
printf("=-=-=-=-= Personal Function 1 Statistics:\n");
printf(" Time taken for execution with random algorithm for picking pages = %ld msec\n\n", timedifference(endTime, startTime));
return 0;
}
int main(int argc, char** argv) {
int i, eviction_algorithm, seed;
//Parse input
if(argc == 2){
eviction_algorithm = atoi(argv[1]);
seed = time(NULL);
}else if(argc == 3) {
eviction_algorithm = atoi(argv[1]);
seed = atoi(argv[2]);
}else{
printf("1st argument: eviction algorithm (0-Random; 1-Clock; 2-Clock2ndChance)\n2nd argument: seed for random algorithm\n");
return -1;
}
init_memory(eviction_algorithm, seed);
printf("STORE VALUES IN ORDER value = vAddr+1 (press enter to continue):\n");
memoryMaxer(PAGE_TABLE_SIZE+2);//beyond the limit (the last 2 page creations are ignored)
print_memory_state();
getchar();
printf("GET_VALUE FROM ALL ADDRESSES (press enter to continue):\n");
for(i = 0; i < PAGE_TABLE_SIZE; i++){
if(get_value(i, NULL) != i+1){
printf("wrong answer for page %d\n", i);
return -1;//not supposed to happen
}
}
print_memory_state();
getchar();
printf("FREE RANDOM pages AND TRY TO GET_VALUE. AND CREATE SOME PAGES (press enter to continue):\n");
for (i = 0; i < 20; i++){
int addr = uniform_rand(0, PAGE_TABLE_SIZE);
printf("free %d\n", addr);
free_page(addr);
int valid;
get_value(addr, &valid);
if(valid == 0) printf("Couldn't read from addr %d\n", addr);
}
for (i = 0; i < 10; i++) {
vAddr addr = create_page();
uint32_t v = uniform_rand(0, PAGE_TABLE_SIZE);
store_value(addr, &v);
printf("created page %d with value %d\n", addr, v);
}
print_memory_state();
getchar();
printf("ALTERNATE STORE AND GET (press enter to continue)\n");
for (i = 0; i < 20; i++){
int addr = uniform_rand(0, PAGE_TABLE_SIZE);
uint32_t v = uniform_rand(0, 100);
store_value(addr, &v);
printf("store %d in vAddr %d\n", v, addr);
int valid;
addr = uniform_rand(0, PAGE_TABLE_SIZE);
v = get_value(addr, &valid);
if(valid) printf("got %d from addr %d\n", v, addr);
else printf("Couldn't read from addr %d\n", addr);
}
print_memory_state();
getchar();
destroy_memory();
return 0;
}
