fft-benchmark/utilities.h

#ifndef UTILITIES_H
#define UTILITIES_H

#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <string.h>
#include <getopt.h>
#include <math.h>
#include <time.h>

#include "time_entry.h"
#include "timer.h"

typedef enum _OutputType {
    OUT_MILLISECONDS,
    OUT_SECONDS,
    OUT_MFLOPS,
    OUT_GFLOPS,
    OUT_THROUGHTPUT_GBS,
    OUT_THROUGHTPUT_MBS,
    OUT_NONE
} OutputType;

#define N_DIMS 3
#define MIN_POW2 1
#define MAX_POW2 20
#define MIN_RUNS 1
#define MAX_RUNS 100

extern int N_RUNS;
extern const int DIMS[N_DIMS];
extern int N_POWERS_INTERVALS[N_DIMS][2];

#define PRINT_DIM(dim) printf ("%dD:", dim);

#define PRINT_DIM_SIZE(side_size,dim) { \
    printf(" %zu", side_size); while (dim != 1) { printf("x%zu", side_size);dim--; } printf("."); }

#define OCL_CHECK_ERROR(error) { \
    if ((error) != CL_SUCCESS) fprintf (stderr, "OpenCL error <%s:%i>\n", __FILE__, __LINE__); }

#define PRINT_DIMS(dim,side_size) { \
    if (dim == 1) { printf (" %zu", side_size); } \
    else if (dim == 2) { printf (" %zux%zu", side_size, side_size); } \
    else { printf (" %zux%zux%zu", side_size, side_size, side_size); } }

void write_headers_in_file (int n_dims, int only_time, FILE *fp);
void write_time_entries_in_file (TimeEntry* time_entries, 
								 int num_entries, int n_dims, int only_time,
								 bool new_line,
								 FILE *fp);
OutputType get_output_type_by_measure(char *measure);
bool get_fft_range(char *val1, char *val2, int *out_range);
bool get_number_of_runs(char *val, int *out);
void print_usage(char *app_name, struct option long_options[],
				 char **options_descritions, int exit_code);
double get_measurements_with_format (OutputType outputType, 
											size_t size_bytes, double time_sec);
void get_timestamp (char **ts);

#endif