code: def __init__(self, args, world_info_base64, resource_pool):
      super().__init__(args, world_info_base64)
      self.resource_pool = resource_pool
  
      # Disable the CMA kernel module, not available on Ubuntu systems
      self.add_export("MV2_SMP_USE_CMA", "0")
  
      # If we fail this will output more verbose logging
      self.add_export("MV2_DEBUG_SHOW_BACKTRACE", "1")
  
      # Enabled cuda-aware communication
      self.add_export("MV2_USE_CUDA", "1")
  
      # Support deep learning frameworks: http://hidl.cse.ohio-state.edu/userguide/horovod/
      self.add_export("MV2_SUPPORT_DL", "1")
  
      # Support MPI_THREAD_MULTIPLE
      self.add_export("MV2_ENABLE_AFFINITY", "0")
  
      # Performance tuning flags for allgather
      self.add_export("MV2_INTER_ALLGATHER_TUNING", "5")
      self.add_export("MV2_CUDA_USE_NAIVE", "0")
  
imports: import os
  import sys
  import shutil
  import subprocess
  import warnings
  from shlex import split
  from abc import ABC, abstractmethod
  from ..utils import logger
  from .constants import PDSH_MAX_FAN_OUT, MVAPICH_TMP_HOSTFILE
label_desc: Use image node_id 1 to create a new MVAPICHRunner object from inherited base classes: MultiNodeRunner with example: obj = MVAPICHRunner(args, world_info_base64, resource_pool)