go FAST in debug mode

src/main.zig

@@ -124,8 +124,10 @@ fn mathTest(rand: Random, limit: i32, iteration: u32) !bool {
         print("Calculating", .{});
         for (1..4) |_| {
             print(".", .{});
+            if (comptime builtin.mode != .Debug) {
                 std.Thread.sleep(2 * 1000 * 1000 * 1000);
             }
+        }
         print("\n", .{});
     }