manual buffering for performance to avoid too many calls to os.write
manual buffering for performance to avoid too many calls to os.write

bgarrels/zorba,28msec/zorba,28msec/zorba,28msec/zorba,bgarrels/zorba,28msec/zorba,bgarrels/zorba,bgarrels/zorba,28msec/zorba,28msec/zorba,bgarrels/zorba,28msec/zorba,bgarrels/zorba,28msec/zorba,bgarrels/zorba,28msec/zorba,bgarrels/zorba