Making minor changes to llvm_installer.sh

hpvm/llvm_installer/llvm_installer.sh

@@ -11,7 +11,7 @@ CURRENT_DIR=`pwd`
 INSTALL_DIR=`pwd`/install
 BUILD_DIR=$CURRENT_DIR/$LLVM_SRC/build
 
-NUM_THREADS=12
+NUM_THREADS=16
 
 SUFFIX=".tar.xz"
 CLANG_SRC="cfe-$VERSION.src"
@@ -178,7 +178,5 @@ else
 fi
 
 cd $CURRENT_DIR
-echo "Add $INSTALL_DIR/bin to PATH variable."
-export PATH="$INSTALL_DIR/bin:$PATH"