graphprogram/main.c
2024-10-04 13:05:02 +02:00

65 lines
1.8 KiB
C

#include "graph.h"
#include "matrix.h"
#include <stdint.h>
#include <stdio.h>
#include <time.h>
void benchmark() {
const uint64_t row_length1 = 100;
const uint64_t column_length1 = 100;
uint64_t matrix1[row_length1][column_length1];
const uint64_t row_length2 = 100;
const uint64_t column_length2 = 100;
uint64_t matrix2[row_length2][column_length2];
uint64_t new_matrix[row_length1][column_length2];
double elapsed_time = 0.0;
const uint64_t iterations = 10000;
clock_t start_time;
for (uint64_t i = 0; i < iterations; i++) {
random_adjacency(row_length1, matrix1);
random_adjacency(row_length2, matrix2);
start_time = clock();
matrix_multiply_basic(row_length1, column_length1, matrix1,
row_length2, column_length2, matrix2,
new_matrix);
elapsed_time += (double)(clock() - start_time) / CLOCKS_PER_SEC;
}
printf("%lu iterations of matrix_multiply_basic took roughly %f seconds\n", iterations, elapsed_time);
printf("1 iteration of matrix_multiply_basic took on average roughly %f seconds\n", elapsed_time/iterations);
}
void test() {
const uint64_t row_length1 = 5;
const uint64_t column_length1 = 5;
uint64_t matrix1[row_length1][column_length1];
read_csv("csv/graph.csv", row_length1, column_length1, matrix1);
printf("G:\n");
print_matrix(row_length1, column_length1, matrix1);
printf("\n");
uint64_t new_matrix[row_length1][column_length1];
matrix_multiply_basic(row_length1, column_length1, matrix1,
row_length1, column_length1, matrix1,
new_matrix);
printf("G²:\n");
print_matrix(row_length1, column_length1, new_matrix);
printf("\n");
}
int main(void) {
// test();
benchmark();
}