From 603ea4ec14a6d71d0dbfa7afe061277a8fadc473 Mon Sep 17 00:00:00 2001
From: Shikhar Kumar <shikhark@mit.edu>
Date: Thu, 1 Aug 2019 12:27:33 -0400
Subject: [PATCH] Free CMFD memory on master process

---
 src/finalize.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/finalize.cpp b/src/finalize.cpp
index 633cf2991d..4d93c6c66c 100644
--- a/src/finalize.cpp
+++ b/src/finalize.cpp
@@ -44,7 +44,9 @@ void free_memory()
   free_memory_mesh();
   free_memory_tally();
   free_memory_bank();
-  free_memory_cmfd();
+  if (mpi::master) {
+    free_memory_cmfd();
+  }
 #ifdef DAGMC
   free_memory_dagmc();
 #endif