code: def xmoe2_v1_l4k():
      """With sequence length 4096."""
      hparams = xmoe2_v1()
      hparams.batch_size = 32
      hparams.max_length = 4096
      hparams.split_to_length = 4096
      hparams.reshape_logits_hack = True
      return hparams
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from tensor2tensor.models import mtf_transformer
  from tensor2tensor.models import mtf_transformer2
  from tensor2tensor.models.research import moe
  from tensor2tensor.utils import registry
label_desc: Use image node_id 22 for calling a global function with example usage: xmoe2_v1_l4k() and returns: hparams