From 8001fa539d3861150dfcdc15a332eccae92ff57b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nicol=C3=B2=20Jacazio?= <nicolo.jacazio@cern.ch>
Date: Mon, 20 Nov 2023 18:32:51 +0100
Subject: [PATCH] Update Track Propagation

- reserve room for tracks and DCA
---
 Common/TableProducer/trackPropagation.cxx | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Common/TableProducer/trackPropagation.cxx b/Common/TableProducer/trackPropagation.cxx
index fdccfdf32c1..9d7b20c0ac8 100644
--- a/Common/TableProducer/trackPropagation.cxx
+++ b/Common/TableProducer/trackPropagation.cxx
@@ -124,6 +124,12 @@ struct TrackPropagation {
     }
     initCCDB(bcs.begin());
 
+    tracksParPropagated.reserve(tracks.size());
+    tracksParExtensionPropagated.reserve(tracks.size());
+    if (fillTracksDCA) {
+      tracksDCA.reserve(tracks.size());
+    }
+
     gpu::gpustd::array<float, 2> dcaInfo;
 
     for (auto& track : tracks) {
@@ -163,6 +169,12 @@ struct TrackPropagation {
     tracksParExtensionPropagated.reserve(tracks.size());
     tracksParCovPropagated.reserve(tracks.size());
     tracksParCovExtensionPropagated.reserve(tracks.size());
+    if (fillTracksDCA) {
+      tracksDCA.reserve(tracks.size());
+    }
+    if (fillTracksDCACov) {
+      tracksDCACov.reserve(tracks.size());
+    }
 
     for (auto& track : tracks) {
       dcaInfoCov.set(999, 999, 999, 999, 999);