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#ifndef _PARAMS_H_
#define _PARAMS_H_
#include "common.h"
#if NUMA
#include <numaif.h>
#include <numa.h>
#endif
typedef struct Params {
unsigned int input_size;
unsigned int n_threads;
unsigned int n_nops;
unsigned int n_instr;
int n_warmup;
int n_reps;
int exp;
#if NUMA
struct bitmask* bitmask_in;
struct bitmask* bitmask_out;
int numa_node_cpu;
#endif
}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=8K elements)"
"\n -N <N> number of nops in dpu task (default=0)"
"\n -I <N> number of instructions in dpu binary (default=0)"
"\n -a <spec> allocate input data on specified NUMA node(s)"
"\n -b <spec> allocate output data on specified NUMA node(s)"
"\n -c <spec> run on specified NUMA node(s) -- does not affect transfer thread pool"
"\n");
}
struct Params input_params(int argc, char **argv) {
struct Params p;
p.input_size = 8 << 10;
p.n_threads = 8;
p.n_nops = 0;
p.n_instr = 0;
p.n_warmup = 1;
p.n_reps = 3;
p.exp = 0;
#if NUMA
p.bitmask_in = NULL;
p.bitmask_out = NULL;
p.numa_node_cpu = -1;
#endif
int opt;
while((opt = getopt(argc, argv, "hi:n:w:e:x:N:I:a:b:c:")) >= 0) {
switch(opt) {
case 'h':
usage();
exit(0);
break;
case 'i': p.input_size = atoi(optarg); break;
case 'n': p.n_threads = atoi(optarg); break;
case 'N': p.n_nops = atoi(optarg); break;
case 'I': p.n_instr = 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;
#if NUMA
case 'a': p.bitmask_in = numa_parse_nodestring(optarg); break;
case 'b': p.bitmask_out = numa_parse_nodestring(optarg); break;
case 'c': p.numa_node_cpu = atoi(optarg); break;
#endif
default:
fprintf(stderr, "\nUnrecognized option!\n");
usage();
exit(0);
}
}
return p;
}
#endif
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