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#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "../cube.h"
#define MOVES 100000000
#define TRANS 100000000
#define COMP 100000000
#define INV 100000000
#define GEN_MOVES 10000
#define GEN_TRANS 10000
#define GEN_CUBES 10000
static move_t gen_moves[GEN_MOVES];
static trans_t gen_trans[GEN_TRANS];
static cube_t gen_cubes[GEN_CUBES];
void setup_moves(void);
void setup_trans(void);
void setup_cube(void);
void run_moves(void);
void run_trans(void);
void run_comp(void);
void run_inv(void);
double bench(void (*)(void), void (*)(void), char *);
void
setup_moves(void)
{
int i;
for (i = 0; i < GEN_MOVES; i++)
gen_moves[i] = (move_t)rand() % 18;
}
void
setup_trans(void)
{
int i;
for (i = 0; i < GEN_TRANS; i++)
gen_trans[i] = (trans_t)rand() % 48;
}
void
setup_cubes(void)
{
int i, j;
move_t m;
for (i = 0; i < GEN_CUBES; i++) {
gen_cubes[i] = solvedcube();
for (j = 0; j < 30; j++) {
m = (move_t)rand() % 18;
gen_cubes[i] = move(gen_cubes[i], m);
}
}
}
void
run_moves(void)
{
int i;
cube_t c;
char str[1000];
c = solvedcube();
for (i = 0; i < MOVES; i++)
c = move(c, gen_moves[i % GEN_MOVES]);
writecube(H48, c, str);
str[3] = 0;
printf("> moves: resulting cube, first piece: %s\n", str);
fflush(stdout);
}
void
run_trans(void)
{
int i;
cube_t c;
char str[1000];
c = solvedcube();
for (i = 0; i < TRANS; i++)
c = transform(c, gen_trans[i % GEN_TRANS]);
writecube(H48, c, str);
str[3] = 0;
printf("> trans: resulting cube, first piece: %s\n", str);
fflush(stdout);
}
void
run_comp(void)
{
int i;
cube_t c;
char str[1000];
c = solvedcube();
for (i = 0; i < COMP; i++)
c = compose(c, gen_cubes[i % GEN_CUBES]);
writecube(H48, c, str);
str[3] = 0;
printf("> comp: resulting cube, first piece: %s\n", str);
fflush(stdout);
}
void
run_inv(void)
{
int i, j;
char str[1000];
for (i = 0; i < COMP; i++) {
j = i % (GEN_CUBES-1);
gen_cubes[j] = inverse(gen_cubes[j+1]);
}
writecube(H48, gen_cubes[0], str);
str[3] = 0;
printf("> comp: resulting cube, first piece: %s\n", str);
fflush(stdout);
}
double
bench(void (*run)(void), void (*setup)(void), char *name)
{
struct timespec start, end;
double tdiff, tdsec, tdnano;
printf("\n");
fflush(stdout);
if (run == NULL) {
printf("> %s: nothing to run!\n", name);
fflush(stdout);
return -1.0;
}
printf("> %s: setting up benchmark...\n", name);
fflush(stdout);
if (setup != NULL)
setup();
printf("> %s: running benchmark...\n", name);
fflush(stdout);
clock_gettime(CLOCK_MONOTONIC, &start);
run();
clock_gettime(CLOCK_MONOTONIC, &end);
tdsec = end.tv_sec - start.tv_sec;
tdnano = end.tv_nsec - start.tv_nsec;
tdiff = tdsec + 1e-9 * tdnano;
printf("> %s: %.4fs\n", name, tdiff);
fflush(stdout);
return tdiff;
}
int main() {
double tmoves, ttrans, tcomp, tinv;
printf(
"Benchmarks settings:\n"
"MOVES:\t%d\nTRANS:\t%d\nCOMP:\t%d\nINV:\t%d\n",
MOVES, TRANS, COMP, INV
);
fflush(stdout);
srand(time(NULL));
tmoves = bench(run_moves, setup_moves, "moves");
ttrans = bench(run_trans, setup_trans, "trans");
tcomp = bench(run_comp, setup_cubes, "comp");
tinv = bench(run_inv, setup_cubes, "inv");
printf(
"\nBenchmark summary:\n"
"moves: %d moves in %.4fs (%.4f MTPS)\n"
"trans: %d trans in %.4fs (%.4f MTPS)\n"
"comp: %d comps in %.4fs (%.4f MCPS)\n"
"inv: %d invs in %.4fs (%.4f MIPS)\n"
"Total time: %.4f\n",
MOVES, tmoves, MOVES / (1e6 * tmoves),
TRANS, ttrans, TRANS / (1e6 * ttrans),
COMP, tcomp, COMP / (1e6 * tcomp),
INV, tinv, INV / (1e6 * tinv),
tmoves + ttrans + tcomp + tinv
);
return 0;
}
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