code: def replace_arguments(config, world_size):
      return {
          # 1. reduce hidden size
          "attention.embed_dim": config.hidden_size // world_size,
          # 2. reduce number of heads
          "attention.num_heads": config.num_attention_heads
          // world_size,
      }
  
file_path: parallelformers/parallelformers/policies/wav2vec.py
imports: from transformers.models.wav2vec2.modeling_wav2vec2 import Wav2Vec2EncoderLayer
  from parallelformers.policies.base import Layer, Policy
  from parallelformers.transformers.modeling_bart import BartAttention_
  from parallelformers.utils import AllReduceLinear
label_desc: Use image node_id 1 for calling the Wav2VecPolicy obj's underlying member method code with example usage: obj.replace_arguments(config, world_size) and returns: dict