{
  "pipeline": {
    "ready": "yes", 
    "cmd": "echo \"--m=$#m#$ --n=$#n#$ --k=$#k#$\""
  }, 
  "choices_order": [
    [
      "##m"
    ],
    [
      "##n"
    ],
    [
      "##k"
    ]
  ], 
  "choices_selection": [
   {"type":"loop", "choice":["256", "512", "1024" ], "default":"256"},
   {"type":"loop", "choice":["256", "512" ], "default":"256"},
   {"type":"loop", "choice":["128", "256" ], "default":"256"}
  ], 
  "repetitions": 1, 
  "seed": 12345, 
  "iterations": -1,
  "sleep":0
}