code: def __call__(self, x):
      param_shape = (x.shape[-1],) if self.elementwise else ()
      normed = x / (jnp.linalg.norm(x, axis=-1, keepdims=True) + 1e-5)
  
      scale = hk.get_parameter(
          "scale",
          param_shape,
          init=hk.initializers.Constant(x.shape[-1] ** 0.5),
      )
      scale = jax.lax.pmean(scale, "shard")
      normed = normed * scale
  
      if self.offset:
          offset = hk.get_parameter(
              "offset", param_shape, init=jnp.zeros
          )
          offset = jax.lax.pmean(offset, "shard")
          normed = normed + offset
  
      return normed
  
imports: import haiku
  import jax
  import jax.numpy
  import numpy
  from einops import rearrange, repeat
  from mesh_transformer.util import f_psum, g_psum, maybe_shard, head_print
  from jax.experimental import PartitionSpec
  from jax.experimental.maps import thread_resources
label_desc: Use image node_id 2 for calling the RMSNorm obj's underlying member method code with example usage: obj.__call__(x) and returns: normed