{
  "context": "This criteria evaluates the engineer's proficiency in using Azure Batch's multi-instance task capabilities for distributed computing scenarios. The focus is on proper configuration of multi-instance settings, coordination of primary and subordinate tasks, and enabling inter-node communication.",
  "type": "weighted_checklist",
  "checklist": [
    {
      "name": "MultiInstanceSettings Usage",
      "description": "Uses the MultiInstanceSettings class or equivalent configuration to properly define multi-instance task properties including number of instances",
      "max_score": 25
    },
    {
      "name": "Coordination Command",
      "description": "Correctly sets the coordination_command_line property to specify the command that runs on the primary task instance",
      "max_score": 20
    },
    {
      "name": "Common Resource Files",
      "description": "Configures common_resource_files property in MultiInstanceSettings to share input files across all task instances",
      "max_score": 15
    },
    {
      "name": "Task Construction",
      "description": "Uses TaskAddParameter or CloudTask class to construct the multi-instance task with proper task_id and command_line",
      "max_score": 15
    },
    {
      "name": "Instance Count",
      "description": "Properly sets number_of_instances or num_instances property to the requested value and validates minimum requirements",
      "max_score": 10
    },
    {
      "name": "Inter-node Communication",
      "description": "Enables inter-node communication by setting required_slots or ensuring pool configuration allows communication between nodes",
      "max_score": 10
    },
    {
      "name": "Error Handling",
      "description": "Implements validation to raise ValueError when num_instances is less than the minimum requirement",
      "max_score": 5
    }
  ]
}