#ifndef _PARAMS_H_ #define _PARAMS_H_ #include "common.h" typedef struct Params { unsigned int max_rows; unsigned int penalty; unsigned int n_warmup; unsigned int n_reps; } 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" "\nBenchmark-specific options:" "\n -n <N> size of sequence: length of the sequence" "\n -p <P> penalty: a positive integer" "\n"); } struct Params input_params(int argc, char **argv) { struct Params p; p.n_warmup = 1; p.n_reps = 3; p.max_rows = 256; p.penalty = 1; int opt; while((opt = getopt(argc, argv, "hw:e:n:p:")) >= 0) { switch(opt) { case 'h': usage(); exit(0); break; case 'w': p.n_warmup = atoi(optarg); break; case 'e': p.n_reps = atoi(optarg); break; case 'n': p.max_rows = atoi(optarg); break; case 'p': p.penalty = atoi(optarg); break; default: fprintf(stderr, "\nUnrecognized option!\n"); usage(); exit(0); } } assert(NR_DPUS > 0 && "Invalid # of dpus!"); return p; } #endif