chunk_content: er offloading, [cpu] offload parameters to CPU, [nvme] offload parameters to NVMe SSD. Only applicable with ZeRO Stage-3.
  `zero3_init_flag`: Decides whether to enable `deepspeed.zero.Init` for constructing massive models. Only applicable with ZeRO Stage-3.
  `zero3_save_16bit_model`: Decides whether to save 16-bit model weights when using ZeRO Stage-3.
  `mixed_precision`: `no` for FP32 training, `fp16` for FP16 mixed-precision training and `bf16` 