code: def get_golden_synthetic_stats():
      return {
          "avg_wps": 486.303,
          "std_dev_wps": 71.307,
          "peak_mem_usage": [
              5.5055 * 2**30,
              5.5055 * 2**30,
              5.5055 * 2**30,
              5.5055 * 2**30,
          ],
      }
  
imports: import torch.nn
  from fairscale.optim import GradScaler
label_desc: Use image node_id 4 for calling the FSDP obj's underlying member method code with example usage: obj.get_golden_synthetic_stats() and returns: dict