perft-test: output also SF perf

src/search.c

@@ -60,7 +60,13 @@ u64 perft(pos_t *pos, int depth, int ply, bool output)
             nodes++;
         } else {
             move_do(pos, *move);
-            subnodes = perft(pos, depth - 1, ply + 1, output);
+            if (depth == 2) {
+                movelist_t movelist2;
+                pos_set_checkers_pinners_blockers(pos);
+                subnodes = pos_legal(pos, pos_gen_pseudo(pos, &movelist2))->nmoves;
+            } else {
+                subnodes = perft(pos, depth - 1, ply + 1, output);
+            }
             if (output && ply == 1) {
                 char movestr[8];
                 printf("%s: %d\n", move_str(movestr, *move, 0), subnodes);
@@ -105,7 +111,13 @@ u64 perft_test(pos_t *pos, int depth, int ply, bool output)
             nodes++;
         } else {
             move_do2(pos, *move, &state);
-            subnodes = perft_test(pos, depth - 1, ply + 1, output);
+            if (depth == 2) {
+                movelist_t movelist2;
+                pos_set_checkers_pinners_blockers(pos);
+                subnodes = pos_legal(pos, pos_gen_pseudo(pos, &movelist2))->nmoves;
+            } else {
+                subnodes = perft_test(pos, depth - 1, ply + 1, output);
+            }
             if (output && ply == 1) {
                 char movestr[8];
                 printf("%s: %d\n", move_str(movestr, *move, 0), subnodes);

test/perft-test.c

@@ -238,13 +238,13 @@ int main(int __unused ac, __unused char**av)
     pos_t *pos = NULL, *fenpos;
     pos_t *fishpos = pos_new();
     movelist_t fishmoves;
-    //move_t move;
     FILE *outfd = NULL;
     struct {
         s64 count, ms;
         s64 minlps, maxlps;
         int skipped;
-    } res[2] = {
+    } res[3] = {
+        { .minlps=LONG_MAX },
         { .minlps=LONG_MAX },
         { .minlps=LONG_MAX },
     };
@@ -271,11 +271,9 @@ int main(int __unused ac, __unused char**av)
                     return usage(*av);
         }
     }
-    //if (ac > 1)
-    //    depth = atoi(av[1]);
-    //if (ac > 2)
-    //    run =  atoi(av[2]) & 3;
-    printf("depth = %d run = %x sf = %s\n", depth, run, sf_run? "true": "false");
+
+    printf("perft: depth = %d run = %x stockfish = %s\n",
+           depth, run, sf_run? "true": "false");
 
     init_all();
 
@@ -285,7 +283,7 @@ int main(int __unused ac, __unused char**av)
     if (sf_run)
         outfd = open_stockfish();
 
-    CLOCK_DEFINE(clock, CLOCK_PROCESS);
+    CLOCK_DEFINE(clock, CLOCK_MONOTONIC);
     while ((fen = next_fen(PERFT | MOVEDO))) {
         test_line = cur_line();
         if (!(fenpos = fen2pos(pos, fen))) {
@@ -293,10 +291,27 @@ int main(int __unused ac, __unused char**av)
             continue;
         }
         pos = fenpos;
-        if (sf_run)
+        if (sf_run) {
+            clock_start(&clock);
             sf_count = send_stockfish_fen(outfd, fishpos, &fishmoves, fen, depth);
-
-        // savepos = pos_dup(pos);
+            ms = clock_elapsed_ms(&clock);
+            if (!ms) {
+                res[2].skipped++;
+                lps = 0;
+            } else {
+                lps = sf_count * 1000l / ms;
+                res[2].ms += ms;
+                res[2].count += sf_count;
+                if (lps > res[2].maxlps)
+                    res[2].maxlps = lps;
+                if (lps < res[2].minlps)
+                    res[2].minlps = lps;
+            }
+            printf("SF     : line=%3d perft=%'lu %'ldms lps=%'lu \"%s\"\n",
+                   test_line, sf_count, ms,
+                   lps,
+                   fen);
+        }
 
         if (run & 1) {
             clock_start(&clock);
@@ -360,6 +375,15 @@ int main(int __unused ac, __unused char**av)
         // exit(0);
     }
     pos_del(pos);
+    if (sf_run) {
+        if (!res[2].ms)
+            res[2].ms = 1;
+        printf("total SF     %'lums %'lums lps=%'lu min=%'lu max=%'lu (skipped %d)\n",
+               res[2].count, res[2].ms,
+               res[2].count * 1000l / res[2].ms,
+               res[2].minlps, res[2].maxlps,
+               res[2].skipped);
+    }
     if (run & 1) {
         if (!res[0].ms)
             res[0].ms = 1;