anchor.diff:              BaseUrlsIndex = random:uniform(tuple_size(BaseUrls))
       end,
       CI = basho_bench_config:get(
  -                      check_integrity, false), %% should be false when doing benchmark
  +           check_integrity, false), %% should be false when doing benchmark
       Concurrent = basho_bench_config:get(concurrent, 0),
       {ok, #state { base_urls = BaseUrls,
                     base_urls_index = BaseUrlsIndex,
  
positive.code:     Base - Diff.
  
  run(get, KeyGen, _ValueGen, #state{check_integrity = CI, id = Id, concurrent = Concurrent} = State) ->
      Key = keygen_global_uniq(CI, Id, Concurrent, KeyGen), 
      {NextUrl, S2} = next_url(State),
      case do_get(url(NextUrl, Key, State#state.path_params)) of
          {not_found, _Url} ->
  
negative.code: 
  
  run(put, KeyGen, ValueGen, #state{check_integrity = CI, id = Id, concurrent = Concurrent} = State) ->
      Key = keygen_global_uniq(CI, Id, Concurrent, KeyGen),
      Val = ValueGen(),
      {NextUrl, S2} = next_url(State),
      Url = url(NextUrl, Key, State#state.path_params),
  