| #include <stdio.h> |
| #include <unistd.h> |
| #include <string.h> |
| #include <math.h> |
| |
| #include "instrument.h" |
| |
| |
| /* Default problem size. */ |
| #ifndef NX |
| # define NX 8000 |
| #endif |
| #ifnef NY |
| # define NY 8000 |
| #endif |
| |
| /* Default data type is double. */ |
| #ifndef DATA_TYPE |
| # define DATA_TYPE double |
| #endif |
| |
| /* Array declaration. Enable malloc if POLYBENCH_TEST_MALLOC. */ |
| #ifndef POLYBENCH_TEST_MALLOC |
| DATA_TYPE A[nx][ny]; |
| DATA_TYPE x[ny]; |
| DATA_TYPE y[ny]; |
| DATA_TYPE tmp[nx]; |
| #else |
| DATA_TYPE** A = (DATA_TYPE**)malloc(nx * sizeof(DATA_TYPE*)); |
| DATA_TYPE* x = (DATA_TYPE*)malloc(ny * sizeof(DATA_TYPE)); |
| DATA_TYPE* y = (DATA_TYPE*)malloc(ny * sizeof(DATA_TYPE)); |
| DATA_TYPE* tmp = (DATA_TYPE*)malloc(nx * sizeof(DATA_TYPE)); |
| { |
| int i; |
| for (i = 0; i < nx; ++i) |
| A[i] = (DATA_TYPE*)malloc(ny * sizeof(DATA_TYPE)); |
| } |
| #endif |
| |
| inline |
| void init_array() |
| { |
| int i, j; |
| |
| for (i = 0; i < nx; i++) |
| { |
| x[i] = i * M_PI; |
| for (j = 0; j < ny; j++) |
| A[i][j] = ((DATA_TYPE) i*j) / nx; |
| } |
| } |
| |
| /* Define the live-out variables. Code is not executed unless |
| POLYBENCH_DUMP_ARRAYS is defined. */ |
| inline |
| void print_array(int argc, char** argv) |
| { |
| int i, j; |
| #ifndef POLYBENCH_DUMP_ARRAYS |
| if (argc > 42 && ! strcmp(argv[0], "")) |
| #endif |
| { |
| for (i = 0; i < nx; i++) { |
| fprintf(stderr, "%0.2lf ", y[i]); |
| if (i%80 == 20) fprintf(stderr, "\n"); |
| } |
| fprintf(stderr, "\n"); |
| } |
| } |
| |
| |
| int main(int argc, char** argv) |
| { |
| int i, j; |
| int nx = NX; |
| int ny = NY; |
| |
| /* Initialize array. */ |
| init_array(); |
| |
| /* Start timer. */ |
| polybench_start_instruments; |
| |
| #pragma scop |
| #pragma live-out |
| |
| |
| |
| |
| #pragma endscop |
| |
| /* Stop and print timer. */ |
| polybench_stop_instruments; |
| polybench_print_instruments; |
| |
| print_array(argc, argv); |
| |
| return 0; |
| } |