GDV-31:[C++][Travis]Perf Improvments (apache#82)

1. In evaluate to lookup module, first do without lock and fallback only if module is not found. 2. Use release builds in travis.
praveenbingo · Sep 10, 2018 · 66425c0 · 66425c0
1 parent 97b44d3
commit 66425c0
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/cpp/src/gandiva/jni/id_to_module_map.h b/cpp/src/gandiva/jni/id_to_module_map.h
@@ -44,6 +44,13 @@ class IdToModuleMap {
 
   HOLDER Lookup(jlong module_id) {
     HOLDER result = nullptr;
+    try {
+      result = map_.at(module_id);
+    } catch (const std::out_of_range &e) {
+    }
+    if (result != nullptr) {
+      return result;
+    }
     mtx_.lock();
     try {
       result = map_.at(module_id);