anchor.diff:  -spec quorum_read_o(ThreadsPerVM::pos_integer(), Iterations::pos_integer(), Options::options()) -> {ok, [{atom(), term()},...]}.
   quorum_read_o(ThreadsPerVM, Iterations, Options) ->
       Msg = {bench, quorum_read, ThreadsPerVM, Iterations, comm:this(), undefined},
  -    manage_run(ThreadsPerVM, Iterations, Options, Msg).
  +    {ok, Res} = manage_run(ThreadsPerVM, Iterations, Options, Msg),
  +    print_results(Res, Options),
  +    {ok, Res}.
   
   %% @doc run an read benchmark on all nodes
   -spec read_read(ThreadsPerVM::pos_integer(), Iterations::pos_integer()) -> {ok, [{atom(), term()},...]}.
  
positive.code:          increment/3, increment_o/4,
           quorum_read/2, quorum_read_o/3,
           read_read/2, read_read_o/3,
           load_start/1, load_stop/0]).
  
  -include("scalaris.hrl").
  -include("client_types.hrl").
  
negative.code: -spec increment_o(ThreadsPerVM::pos_integer(), Iterations::pos_integer(), Options::options()) -> {ok, [{atom(), term()},...]}.
  increment_o(ThreadsPerVM, Iterations, Options) ->
      Msg = {bench, increment, ThreadsPerVM, Iterations, comm:this(), undefined},
      {ok, Res} = manage_run(ThreadsPerVM, Iterations, Options, Msg),
      print_results(Res, Options),
      {ok, Res}.
  
  %% @doc run an increment benchmark (i++) on all nodes
  -spec increment_with_histo(ThreadsPerVM::pos_integer(), Iterations::pos_integer()) -> {ok, [{atom(), term()},...]}.
  increment_with_histo(ThreadsPerVM, Iterations) ->
      {ok, Res} = increment_with_histo_o(ThreadsPerVM, Iterations, [print, verbose]),
      print_results(Res, [print, verbose]),
      {ok, Res}.
  
  %% @doc run an increment benchmark (i++) on all nodes with custom options
  -spec increment_with_histo_o(ThreadsPerVM::pos_integer(), Iterations::pos_integer(), Options::options()) -> {ok, [{atom(), term()},...]}.
  increment_with_histo_o(ThreadsPerVM, Iterations, Options) ->
      Msg = {bench, increment_with_histo, ThreadsPerVM, Iterations, comm:this(), undefined},
      {ok, Res} = manage_run(ThreadsPerVM, Iterations, Options, Msg),
      print_results(Res, Options),
      {ok, Res}.
  
  %% @doc run an increment benchmark on all nodes (with a user-specified key)
  -spec increment(ThreadsPerVM::pos_integer(), Iterations::pos_integer(),
  