code: def forward(ctx, x, y):
      ctx.save_for_backward(x, y)
      return swiglu_fwd(x, y)
  
imports: import math
  import torch
  import torch.nn
  import torch.nn.functional
label_desc: Use image node_id 1 for calling the SwiGLUFunction obj's underlying member method code with example usage: obj.forward(ctx, x, y) and returns: swiglu_fwd