code: def star_relu(x):
      """
      Star ReLU activation, as proposed in the "MetaFormer Baselines for Vision"_ paper.
  
      .. _ "MetaFormer Baselines for Vision": https://arxiv.org/pdf/2210.13452.pdf
      """
      x_sq = x * x
      return 0.8944 * tl.where(x > 0.0, x_sq, 0.0) - 0.4472
  
file_path: xformers/xformers/triton/k_activations.py
imports: import math
  from typing import Optional
  import triton
  import triton.language
  from xformers.components import Activation
label_desc: Use image node_id 8 for calling a global function with example usage: star_relu(x) and returns: unknown