text: """
  Example of running stuff on EC2
  """
  import time
  
  from railrl.core import logger
  from railrl.launchers.launcher_util import run_experiment
  from datetime import datetime
  from pytz import timezone
  import pytz
  
  
  def example(variant):
      import torch
      logger.log(torch.__version__)
      date_format = '%m/%d/%Y %H:%M:%S %Z'
      date = datetime.now(tz=pytz.utc)
      logger.log("start")
      logger.log('Current date & time is: {}'.format(date.strftime(date_format)))
      if torch.cuda.is_available():
          x = torch.randn(3)
          logger.log(str(x.to(ptu.device)))
  
      date = date.astimezone(timezone('US/Pacific'))
      logger.log('Local date & time is: {}'.format(date.strftime(date_format)))
      for i in range(variant['num_seconds']):
          logger.log("Tick, {}".format(i))
          time.sleep(1)
      logger.log("end")
      logger.log('Local date & time is: {}'.format(date.strftime(date_format)))
  
      logger.log("start mujoco")
      from gym.envs.mujoco import HalfCheetahEnv
      e = HalfCheetahEnv()
      img = e.sim.render(32, 32)
      logger.log(str(sum(img)))
      logger.log("end mujocoy")
  
  
  if __name__ == "__main__":
      # noinspection PyTypeChecker
      date_format = '%m/%d/%Y %H:%M:%S %Z'
      date = datetime.now(tz=pytz.utc)
      logger.log("start")
      variant = dict(
          num_seconds=10,
          launch_time=str(date.strftime(date_format)),
      )
      run_experiment(
          example,
          exp_prefix="ec2-gpu-test-multi-instance",
          mode='ssh',
          ssh_host='newton5',
          verbose=True,
          variant=variant,
          use_gpu=True,
          num_exps_per_instance=1,
      )
  