From 5890b559b2c13636e20eb29d43d2031286f6c1ed Mon Sep 17 00:00:00 2001
From: Alaettin Serhan Mete <alaettin.serhan.mete@cern.ch>
Date: Thu, 16 Sep 2021 17:19:51 +0200
Subject: [PATCH] Drop BDT tree caches to avoid unnecessary memory allocations
---
Reconstruction/MVAUtils/Root/BDT.cxx | 1 +
1 file changed, 1 insertion(+)
diff --git a/Reconstruction/MVAUtils/Root/BDT.cxx b/Reconstruction/MVAUtils/Root/BDT.cxx
index 46ed101c7229..50cdfe10397f 100644
--- a/Reconstruction/MVAUtils/Root/BDT.cxx
+++ b/Reconstruction/MVAUtils/Root/BDT.cxx
@@ -58,6 +58,7 @@ BDT::BDT(::TTree *tree)
{
// at runtime decide which flavour of BDT we need to build
// the information is coming from the title of the TTree
+ if (tree) tree->SetCacheSize(0); // Avoid unnecessary memory allocations
std::map<std::string, std::string> options = parseOptions(tree->GetTitle());
std::string creator = get_default_string_map(options, std::string("creator"));
if (creator == "lgbm")
--
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