feat: try less function calls

src/core/core.cc

@@ -172,9 +172,10 @@ void Core::next_step(uint64_t code, uint64_t mask) { // search next step cases
         if (cache_size != 1) { // found one or more next cases
 
             // TODO: try to send multi-items data
-            for (int i = 1; i < cache_size; ++i) {
+//            for (int i = 1; i < cache_size; ++i) {
-                release(cache[i].code, cache[i].mask); // release next cases
+//                release(cache[i].code, cache[i].mask); // release next cases
-            }
+//            }
+            release(cache, cache_size);
 
             cache_size = 1; // reset cache size
         }

src/core/core.h

@@ -11,12 +11,7 @@
 
 class Core {
 public:
-    typedef std::function<void(uint64_t, uint64_t)> release_t;
 
-    void next_step(uint64_t code, uint64_t mask);
-    explicit Core(release_t release_func) : release(std::move(release_func)) {}
-
-private:
     struct cache_t {
         uint64_t code; // case raw code
         uint64_t mask; // only 000 or 111
@@ -24,6 +19,14 @@ private:
         int addr; // (0 ~ 19) * 3
     };
 
+//    typedef std::function<void(uint64_t, uint64_t)> release_t;
+    typedef std::function<void(cache_t*, int)> release_t;
+
+    void next_step(uint64_t code, uint64_t mask);
+    explicit Core(release_t release_func) : release(std::move(release_func)) {}
+
+private:
+
     int cache_size = 1;
     cache_t cache[16] = {0};
     release_t release; // release code and mask

src/fast_cal/fast_cal.cc

@@ -12,7 +12,8 @@ void FastCal::fast_cal(uint64_t code) {
 
     auto core = Core(
         [this](auto &&p1, auto &&p2) {
-            add_new_case(std::forward<decltype(p1)>(p1), std::forward<decltype(p2)>(p2));
+//            add_new_case(std::forward<decltype(p1)>(p1), std::forward<decltype(p2)>(p2));
+            add_new_case_demo(std::forward<decltype(p1)>(p1), std::forward<decltype(p2)>(p2));
         }
     );
 
@@ -66,3 +67,27 @@ void FastCal::add_new_case(uint64_t code, uint64_t mask) {
     cache.emplace(&cases[code]);
 
 }
+
+void FastCal::add_new_case_demo(Core::cache_t *cache_dat, int cache_size) {
+
+    for (int i = 1; i < cache_size; ++i) {
+        uint64_t code = cache_dat[i].code;
+        uint64_t mask = cache_dat[i].mask;
+
+        auto exist_case = cases.find(code);
+        if (exist_case != cases.end()) {
+            exist_case->second.mask |= mask;
+            continue;
+        }
+
+        cases[code] = fast_cal_t {
+            .code = code,
+            .mask = mask,
+            .last = cache.front(),
+        };
+        cache.emplace(&cases[code]);
+
+    }
+
+
+}

src/fast_cal/fast_cal.h

@@ -18,5 +18,6 @@ public:
     void fast_cal(uint64_t code);
 
     void add_new_case(uint64_t code, uint64_t mask);
+    void add_new_case_demo(Core::cache_t *cache_dat, int cache_size);
 
 };