code: def generate_fixed_pos_embedding(
      features, length, min_timescale=1.0, max_timescale=10000.0
  ):
      """Generate Sin/Cos for Rotary Embeddings.
  
      Args:
        features: an integer
        length: an integer
        min_timescale: an optional float
        max_timescale: an optional float
  
      Returns:
        output_sin: a float32 Tensor with shape [length, features]
        output_cos: a float32 Tensor with shape [length, features]
      """
      fraction = (
          torch.arange(0, features, 2, dtype=torch.float32).cuda()
          / features
      )
      timescale = (
          min_timescale * (max_timescale / min_timescale) ** fraction
      )
      rotational_frequency = 1.0 / timescale
  
      sinusoid_inp = torch.einsum(
          "i,j->ij",
          torch.arange(length, dtype=torch.float32).cuda(),
          rotational_frequency,
      )
  
      sinusoid_inp = torch.cat([sinusoid_inp, sinusoid_inp], dim=-1)
  
      return torch.sin(sinusoid_inp), torch.cos(sinusoid_inp)
  
imports: import math
  from typing import List, Optional, Tuple, Union
  import torch
  import torch.nn.functional
  import torch.utils.checkpoint
  from torch import nn
  from transformers.modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
  from transformers.modeling_utils import PreTrainedModel
  from transformers.models.llama.modeling_llama import LlamaConfig, LlamaRMSNorm
  from transformers.utils import add_start_docstrings, add_start_docstrings_to_model_forward, logging, replace_return_docstrings
  from colossalai.kernel.cuda_native.mha.flash_attn_2 import HAS_FLASH_ATTN
  from colossalai.kernel.triton.llama_act_combine_kernel import HAS_TRITON
  from colossalai.moe.layers import SparseMLP
  from colossalai.moe.manager import MOE_MANAGER
  from colossalai.moe.utils import get_activation, set_moe_args
label_desc: Use image node_id 4 for calling a global function with example usage: generate_fixed_pos_embedding(features, length, min_timescale, max_timescale) and returns: torch,  torch