code: def tanh(x):
      # Tanh is just a scaled sigmoid
      return 2 * tl.sigmoid(2 * x) - 1
  
file_path: ColossalAI/colossalai/kernel/triton/gptq_triton.py
imports: import torch
  import triton
  import triton.language
  from .custom_autotune import autotune, matmul248_kernel_config_pruner
label_desc: Use image node_id 1 for calling a global function with example usage: tanh(x) and returns: unknown