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perft: fix divide (untested for ages!). perft-test: SF uses divide

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This commit is contained in:
Bruno Raoult
2024-07-03 21:10:41 +02:00
parent 2870101896
commit 73d09ec37f
2 changed files with 58 additions and 63 deletions
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64
test/perft-test.c
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@@ -116,9 +116,9 @@ static void stockfish_fen(FILE *desc, char *fen)
}
static u64 stockfish_perft(FILE *desc, pos_t *pos, movelist_t *movelist,
int depth)
int depth, int divide)
{
char *buf = NULL;
char *buf = NULL, movestr[8];
u64 count, mycount = 0, fishcount;
size_t alloc = 0;
ssize_t buflen;
@@ -144,27 +144,37 @@ static u64 stockfish_perft(FILE *desc, pos_t *pos, movelist_t *movelist,
break;
}
//printf("%d: %s\n", line++, buf);
if (sscanf(buf, "%*4s: %lu", &count) == 1) {
square_t from = sq_from_string(buf);
square_t to = sq_from_string(buf + 2);
if (sscanf(buf, "%6[a-z1-8]: %lu", movestr, &count) == 2) {
//printf("read:%s movestr:%s count:%lu\n", buf, movestr, count);
moves[(*nmoves)++] = move_from_str(movestr);
mycount += count;
//printf("move found: %c%c->%c%c %s->%s count=%d\n",
// buf[0], buf[1], buf[2], buf[3],
// sq_to_string(from), sq_to_string(to),
// count);
moves[(*nmoves)++] = move_make(from, to);
} else if (sscanf(buf, "%*5s: %lu", &count) == 1) {
square_t from = sq_from_string(buf);
square_t to = sq_from_string(buf + 2);
piece_type_t promoted = piece_t_from_char(*(buf + 4));
mycount += count;
//printf("move found: %c%c->%c%c %s->%s count=%d\n",
// buf[0], buf[1], buf[2], buf[3],
// sq_to_string(from), sq_to_string(to),
// count);
moves[(*nmoves)++] = move_make_promote(from, to, promoted);
if (divide) {
printf("%s: %lu\n", movestr, count);
}
}
/*
* if (sscanf(buf, "%*4s: %lu", &count) == 1) {
* square_t from = sq_from_string(buf);
* square_t to = sq_from_string(buf + 2);
* mycount += count;
* //printf("move found: %c%c->%c%c %s->%s count=%d\n",
* // buf[0], buf[1], buf[2], buf[3],
* // sq_to_string(from), sq_to_string(to),
* // count);
* moves[(*nmoves)++] = move_make(from, to);
*
* } else if (sscanf(buf, "%*5s: %lu", &count) == 1) {
* square_t from = sq_from_string(buf);
* square_t to = sq_from_string(buf + 2);
* piece_type_t promoted = piece_t_from_char(*(buf + 4));
* mycount += count;
* //printf("move found: %c%c->%c%c %s->%s count=%d\n",
* // buf[0], buf[1], buf[2], buf[3],
* // sq_to_string(from), sq_to_string(to),
* // count);
* moves[(*nmoves)++] = move_make_promote(from, to, promoted);
* }
*/
}
//pos->moves.nmoves = nmoves;
// printf("fishcount=%d mycount=%d\n", fishcount, mycount);
@@ -257,7 +267,7 @@ static int usage(char *prg)
{
fprintf(stderr, "Usage: %s [-cms][-d depth] [-p version] [-t size:\n", prg);
fprintf(stderr, "\t-c: do *not* print FEN comments\n");
fprintf(stderr, "\t-d depth: perft depth (default: 6)");
fprintf(stderr, "\t-d depth: perft depth (default: 6)\n");
fprintf(stderr, "\t-m: print moves details\n");
fprintf(stderr, "\t-s: use Stockfish to validate perft result\n");
fprintf(stderr, "\t-t size: Transposition Table size (Mb). Default: 32\n");
@@ -270,7 +280,7 @@ int main(int ac, char**av)
{
int curtest = 0;
u64 sf_count = 0, my_count;
bool comment = true, sf_run = false, moves_output = false;
bool comment = true, sf_run = false, divide = false;
char *fen;
pos_t *pos = NULL, *fenpos;
pos_t *fishpos = pos_new();
@@ -300,7 +310,7 @@ int main(int ac, char**av)
depth = 6;
break;
case 'm':
moves_output = false;
divide = true;
break;
case 'p':
run = atoi(optarg);
@@ -359,7 +369,7 @@ int main(int ac, char**av)
if (sf_run) {
stockfish_fen(outfd, fen);
clock_start(&clock);
sf_count = stockfish_perft(outfd, fishpos, &fishmoves, depth);
sf_count = stockfish_perft(outfd, fishpos, &fishmoves, depth, divide);
ms = clock_elapsed_ms(&clock);
if (!ms) {
res[2].skipped++;
@@ -380,7 +390,7 @@ int main(int ac, char**av)
if (run & 1) {
clock_start(&clock);
my_count = perft(pos, depth, 1, moves_output);
my_count = perft(pos, depth, 1, divide);
ms = clock_elapsed_ms(&clock);
if (!ms) {
res[0].skipped++;
@@ -408,7 +418,7 @@ int main(int ac, char**av)
if (run & 2) {
clock_start(&clock);
my_count = perft_alt(pos, depth, 1, moves_output);
my_count = perft_alt(pos, depth, 1, divide);
ms = clock_elapsed_ms(&clock);
if (!ms) {
res[1].skipped++;