anchor.diff:      >>-. c
   
     let run nCells nJobs nUpdates =
  -    printf "HopacAlt: "
  +    printf "HopacAlt:  "
       let timer = Stopwatch.StartNew ()
       let cells = Array.zeroCreate nCells
       let before = GC.GetTotalMemory true
  
positive.code:     >>-. c
  
    let run nCells nJobs nUpdates =
      printf "HopacReq: "
      let timer = Stopwatch.StartNew ()
      let cells = Array.zeroCreate nCells
      let before = GC.GetTotalMemory true
  
negative.code:   let get (c: Cell<'a>) : Async<'a> = c.PostAndAsyncReply Get
  
    let run nCells nJobs nUpdates =
      printf "Async:     "
      let timer = Stopwatch.StartNew ()
      let cells = Array.zeroCreate nCells
      let before = GC.GetTotalMemory true
  