From e0341476b4f34559050bdf165ddb5572a493584c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20Tiek=C3=B6tter?= <alexander.tiekoetter@cern.ch>
Date: Mon, 31 Aug 2026 17:41:16 +0200
Subject: [PATCH 1/2] Fix asymmetric pairing ditrack reserve size

---
 ALICE3/DataModel/ReducedTablesAlice3.h      |  3 +++
 ALICE3/TableProducer/alice3DqTableMaker.cxx |  2 +-
 ALICE3/Tasks/alice3DqEfficiency.cxx         | 21 ++++++++++++++++++---
 3 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/ALICE3/DataModel/ReducedTablesAlice3.h b/ALICE3/DataModel/ReducedTablesAlice3.h
index ee3501258f5..02fab89707e 100644
--- a/ALICE3/DataModel/ReducedTablesAlice3.h
+++ b/ALICE3/DataModel/ReducedTablesAlice3.h
@@ -25,11 +25,14 @@
 #include "ALICE3/DataModel/OTFTOF.h"
 #include "ALICE3/DataModel/collisionAlice3.h"
 #include "Common/DataModel/Centrality.h"
+#include "Common/DataModel/Multiplicity.h"
 
 #include <Framework/ASoA.h>
 #include <Framework/AnalysisDataModel.h>
 #include <Framework/DataTypes.h>
 
+#include <>
+
 #include <cmath>
 #include <cstdint>
 
diff --git a/ALICE3/TableProducer/alice3DqTableMaker.cxx b/ALICE3/TableProducer/alice3DqTableMaker.cxx
index 355da2af7c9..075873899e3 100644
--- a/ALICE3/TableProducer/alice3DqTableMaker.cxx
+++ b/ALICE3/TableProducer/alice3DqTableMaker.cxx
@@ -445,7 +445,7 @@ struct Alice3DqTableMaker {
       (dynamic_cast<TH2I*>(fStatsList->At(0)))->Fill(3.0, static_cast<float>(o2::aod::evsel::kNsel));
 
       // Fill historams after event cuts
-      fHistMan->FillHistClass("Event_AfterCuts", VarManager::fgValues);
+      fHistMan->FillHistClass("Event_AfterCuts", dqefficiency_helpers::varValues());
 
       event(collision.posX(), collision.posY(), collision.posZ(), collision.numContrib(),
             collision.collisionTime(), collision.collisionTimeRes(), collision.multDensity());
diff --git a/ALICE3/Tasks/alice3DqEfficiency.cxx b/ALICE3/Tasks/alice3DqEfficiency.cxx
index e5fcf09da51..f276a8803b5 100644
--- a/ALICE3/Tasks/alice3DqEfficiency.cxx
+++ b/ALICE3/Tasks/alice3DqEfficiency.cxx
@@ -1920,15 +1920,30 @@ struct Alice3DqEfficiencyAnalysisAsymmetricPairing {
   }
 
   // Function to run same event pairing with asymmetric pairs (e.g. kaon-pion)
-  void runAsymmetricPairing(MyEventsVtxCovSelected const& events, PresliceUnsorted<MyBarrelAssocs>& preslice, MyBarrelAssocs const& /*assocs*/, MyBarrelTracksWithCovWithAmbiguities const& /*tracks*/, ReA3MCEvents const& /*mcEvents*/, ReA3MCTracks const& /*mcTracks*/)
+  void runAsymmetricPairing(MyEventsVtxCovSelected const& events, PresliceUnsorted<MyBarrelAssocs>& preslice, MyBarrelAssocs const& assocs, MyBarrelTracksWithCovWithAmbiguities const& /*tracks*/, ReA3MCEvents const& /*mcEvents*/, ReA3MCTracks const& /*mcTracks*/)
   {
     fPairCount.clear();
 
     int sign1 = 0;
     int sign2 = 0;
     uint32_t mcDecision = 0;
-    ditrackList.reserve(1);
-    ditrackExtraList.reserve(1);
+
+    int64_t reserveSize = 0;
+    for (auto const& event : events) {
+      if (event.isEventSelected_bit(0)) {
+        auto groupedAssocs = assocs.sliceBy(preslice, event.globalIndex());
+        size_t nGood = 0;
+        for (auto const& t : groupedAssocs) {
+          if (t.isBarrelSelected_raw() > 0u) {
+            nGood++;
+          }
+        }
+        reserveSize += nGood * (nGood - 1) / 2;
+      }
+    }
+
+    ditrackList.reserve(reserveSize);
+    ditrackExtraList.reserve(reserveSize);
 
     for (const auto& event : events) {
       if (!event.isEventSelected_bit(0)) {

From ab315bb01215cb1ef2f97649003dbeb5a514d3dc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20Tiek=C3=B6tter?= <alexander.tiekoetter@cern.ch>
Date: Mon, 31 Aug 2026 17:43:27 +0200
Subject: [PATCH 2/2] Remove empty include

---
 ALICE3/DataModel/ReducedTablesAlice3.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/ALICE3/DataModel/ReducedTablesAlice3.h b/ALICE3/DataModel/ReducedTablesAlice3.h
index 02fab89707e..f11becd0945 100644
--- a/ALICE3/DataModel/ReducedTablesAlice3.h
+++ b/ALICE3/DataModel/ReducedTablesAlice3.h
@@ -31,8 +31,6 @@
 #include <Framework/AnalysisDataModel.h>
 #include <Framework/DataTypes.h>
 
-#include <>
-
 #include <cmath>
 #include <cstdint>