#ifndef _PARAMS_H_ #define _PARAMS_H_ #include "common.h" typedef struct Params { unsigned int input_size; int n_warmup; int n_reps; int exp; }Params; static void usage() { fprintf(stderr, "\nUsage: ./program [options]" "\n" "\nGeneral options:" "\n -h help" "\n -w <W> # of untimed warmup iterations (default=1)" "\n -e <E> # of timed repetition iterations (default=3)" "\n -x <X> Weak (0) or strong (1) scaling (default=0)" "\n" "\nBenchmark-specific options:" "\n -i <I> input size (default=6553600 elements)" "\n"); } struct Params input_params(int argc, char **argv) { struct Params p; p.input_size = 6553600; p.n_warmup = 1; p.n_reps = 3; p.exp = 0; int opt; while((opt = getopt(argc, argv, "hi:w:e:x:")) >= 0) { switch(opt) { case 'h': usage(); exit(0); break; case 'i': p.input_size = atoi(optarg); break; case 'w': p.n_warmup = atoi(optarg); break; case 'e': p.n_reps = atoi(optarg); break; case 'x': p.exp = atoi(optarg); break; default: fprintf(stderr, "\nUnrecognized option!\n"); usage(); exit(0); } } assert(NR_DPUS > 0 && "Invalid # of dpus!"); return p; } #endif