anchor.diff:  
   -export([new/2,
            dimension/1,
  -         sequential_int_generator/3]).
  +         sequential_int_generator/4]).
   
   -include("basho_bench.hrl").
   
  
positive.code:     fun() -> list_to_binary(io_lib:format(FmtStr, [Gen()])) end;
  new({sequential_int, MaxKey}, Id) ->
      Ref = make_ref(),
      fun() -> sequential_int_generator(Ref, MaxKey, Id) end;
  new({partitioned_sequential_int, MaxKey}, Id) ->
      new({partitioned_sequential_int, 0, MaxKey}, Id);
  new({partitioned_sequential_int, StartKey, NumKeys}, Id) ->
  
negative.code:     MinValue = StartKey + Range * (Id - 1),
      MaxValue = StartKey + Range * Id,
      Ref = make_ref(),
      DisableProgress =
          basho_bench_config:get(disable_sequential_int_progress_report, false),
      ?DEBUG("ID ~p generating range ~p to ~p\n", [Id, MinValue, MaxValue]),
      fun() -> sequential_int_generator(Ref, Range, Id, DisableProgress) + MinValue end;
  new({uniform_int, MaxKey}, _Id) ->
      fun() -> random:uniform(MaxKey) end;
  new({pareto_int, MaxKey}, _Id) ->
  