diff --git a/easyinstall.sh b/easyinstall.sh
index 2f7f2cd404..f6e6db649a 100755
--- a/easyinstall.sh
+++ b/easyinstall.sh
@@ -49,7 +49,9 @@ echo -e $logo
 CONNECT_TYPE="FULLSPEC"
 # clang v11 is the latest distributed by Buster
 COMPILER="clang++-11"
-CORES=1
+MEM=$(grep MemTotal /proc/meminfo | awk '{print $2}')
+CORES=`expr $MEM / 450000`
+[ $CORES -gt $(nproc) ] && CORES=$(nproc)
 USER=$(whoami)
 BASE=$(dirname "$(readlink -f "${0}")")
 CPP_PATH="$BASE/cpp"