code: def bias_gelu(bias, y):
      x = bias + y
      return (
          x
          * 0.5
          * (1.0 + torch.tanh(0.79788456 * x * (1 + 0.044715 * x * x)))
      )
  
file_path: NeMo/nemo/collections/nlp/modules/common/megatron/fused_bias_gelu.py
imports: import torch
label_desc: Use image node_id 1 for calling a global function with example usage: bias_gelu(bias, y) and returns: unknown