performance-inefficient-vector-operation

mcoquet642 · mcoquet642 · commit 2adfa35f6e02 · 2026-07-01T10:51:02.000+02:00
diff --git a/PWGDQ/Core/CutsLibrary.cxx b/PWGDQ/Core/CutsLibrary.cxx
@@ -7945,6 +7945,7 @@ o2::aod::dqmlcuts::BdtScoreConfig o2::aod::dqmlcuts::GetBdtScoreCutsAndConfigFro
     }
 
     std::vector<std::string> labelsClass;
+    labelsClass.reserve(cutsMl[0].size());
     for (size_t j = 0; j < cutsMl[0].size(); ++j) {
       labelsClass.push_back(Form("score class %d", static_cast<int>(j)));
     }

Original file line number	Diff line number	Diff line change
`@@ -7945,6 +7945,7 @@ o2::aod::dqmlcuts::BdtScoreConfig o2::aod::dqmlcuts::GetBdtScoreCutsAndConfigFro`
`7945`	`7945`	`}`
`7946`	`7946`
`7947`	`7947`	`std::vector<std::string> labelsClass;`
	`7948`	`+ labelsClass.reserve(cutsMl[0].size());`
`7948`	`7949`	`for (size_t j = 0; j < cutsMl[0].size(); ++j) {`
`7949`	`7950`	`labelsClass.push_back(Form("score class %d", static_cast<int>(j)));`
`7950`	`7951`	`}`