code: def adjust_opts(in_opts, config):
      
      memory_adjust = config["algorithm"].get("memory_adjust", {})
      out_opts = []
      for opt in in_opts:
          if opt.startswith("-Xmx") or (opt.startswith("-Xms") and memory_adjust.get("direction") == "decrease"):
              arg = opt[:4]
              opt = "{arg}{val}".format(arg=arg,
                                        val=adjust_memory(opt[4:],
                                                          memory_adjust.get("magnitude", 1),
                                                          memory_adjust.get("direction"),
                                                          maximum=memory_adjust.get("maximum")))
          out_opts.append(opt)
      return out_opts
docs: Establish JVM opts, adjusting memory for the context if needed.
  
      This allows using less or more memory for highly parallel or multicore
      supporting processes, respectively.