code: def transformer_base_single_gpu():
    
    hparams = transformer_base()
    hparams.batch_size = 1024
    hparams.learning_rate_schedule = "constant*linear_warmup*rsqrt_decay"
    hparams.learning_rate_constant = 0.1
    hparams.learning_rate_warmup_steps = 16000
    return hparams
docs: HParams for transformer base model for single GPU.