chess: add benchmarks for generating zobrist hash

e0ff · Nov 26, 2023 · a3d54f0 · a3d54f0
1 parent a9810ad
commit a3d54f0
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/internal/chess/zobrist_test.go b/internal/chess/zobrist_test.go
@@ -0,0 +1,23 @@
+package chess
+
+import "testing"
+
+func generateHashBenchmark(b *testing.B, fen string) {
+	position, _ := NewPosition(fen)
+	for i := 0; i < b.N; i++ {
+		generateHash(position)
+	}
+}
+
+func BenchmarkGenerateHash(b *testing.B) {
+	cases := []string{
+		StartingFen,
+		"1b2k2r/Pppp1ppp/5nbN/nP6/BBP1P3/q4N2/Pp1P2PP/R2Q1RK1 w k - 0 1",
+	}
+
+	for _, c := range cases {
+		b.Run(c, func(b *testing.B) {
+			generateHashBenchmark(b, c)
+		})
+	}
+}