anchor.diff:  //        ()
   //    )
       for r in 0..4 do
  +      let mutable res = Unchecked.defaultof<_>
         perf count "DeedleSeries Add int via Map" (fun _ ->
  -        let res = !deedleSeries |> Series.mapValues (fun x -> x + 1)
  +        res <- !deedleSeries |> Series.mapValues (fun x -> x + 1)
           ()
         )
   
       for r in 0..4 do
  +      let mutable res = Unchecked.defaultof<_>
         perf count "DeedleSeries Add int via operator" (fun _ ->
  -        let res = !deedleSeries + 1 
  +        res <- !deedleSeries + 1 
  +        ()
  +      )
  +
  +    for r in 0..4 do
  +      let mutable res = Unchecked.defaultof<_>
  +      perf count "DeedleSeries Add two series" (fun _ ->
  +        res <- !deedleSeries + !deedleSeries2
  +        ()
  +      )
  +
  +    for r in 0..4 do
  +      let mutable res = Unchecked.defaultof<_>
  +      perf count "DeedleSeries Zip two series" (fun _ ->
  +        res <- (!deedleSeries,!deedleSeries2) ||> Series.zipInner |> Series.mapValues (fun (v,v2) -> v + v2)
           ()
         )
   
  
positive.code: 
    let DeedleSeries(count:int64) =
      let deedleSeries = ref (Series.ofObservations([]))
      let mutable list1 = new List<int64>()
      for r in 0..4 do
        perf count "DeedleSeries insert" (fun _ ->
  
negative.code:     for i in 0..9 do
        perf count "SMR Iterate with plus operator" (fun _ ->
          let ro = (((smap.Value.ReadOnly() + 123456L))):> IReadOnlyOrderedMap<int64,int64>
          for i in ro do
            let res = i.Value
            ()
        )
      for i in 0..9 do
        perf count "SMR Iterate with Zip" (fun _ ->
          let ro = (((smap.Value.ReadOnly().Zip(smap.Value, fun v v2 -> v + v2)))):> IReadOnlyOrderedMap<int64,int64>
          for i in ro do
            let res = i.Value
            ()
  