From fde2f5abfc38df00c06d87d95df6f04d99fe2ecb Mon Sep 17 00:00:00 2001
From: Ian Bush <ian.bush@tessella.com>
Date: Fri, 17 Oct 2014 11:09:24 +0100
Subject: [PATCH] Revert "Revert "Refs #10370 Reserve memory again in LoadMD.""

This reverts commit ec902c6e993b6c61a8c550ce22eafb5962ea8da5.
---
 Code/Mantid/Framework/MDAlgorithms/src/LoadMD.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Code/Mantid/Framework/MDAlgorithms/src/LoadMD.cpp b/Code/Mantid/Framework/MDAlgorithms/src/LoadMD.cpp
index 5b5d3b02c1d2..e9736c335496 100644
--- a/Code/Mantid/Framework/MDAlgorithms/src/LoadMD.cpp
+++ b/Code/Mantid/Framework/MDAlgorithms/src/LoadMD.cpp
@@ -366,7 +366,10 @@ namespace Mantid
           if(!box)continue;
 
           if(BoxEventIndex[2*i+1]>0) // Load in memory NOT using the file as the back-end,
+          {
+            boxTree[i]->reserveMemoryForLoad(BoxEventIndex[2*i+1]);
             boxTree[i]->loadAndAddFrom(loader.get(),BoxEventIndex[2*i],static_cast<size_t>(BoxEventIndex[2*i+1]));
+          }
 
         }
         loader->closeFile();