docstr: Calculate and round number of filters based on depth multiplier. 
docstr_tok: ["Calculate","and","round","number","of","filters","based","on","depth","multiplier","."]
code: def round_filters(filters, global_params):
      """Calculate and round number of filters based on depth multiplier."""
      multiplier = global_params.width_coefficient
      if not multiplier:
          return filters
      divisor = global_params.depth_divisor
      min_depth = global_params.min_depth
      filters *= multiplier
      min_depth = min_depth or divisor
      new_filters = max(
          min_depth, int(filters + divisor / 2) // divisor * divisor
      )
      if new_filters < 0.9 * filters:
          new_filters += divisor
      return int(new_filters)
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import math
  import re
  import collections
  import paddle
  import paddle.nn
  import paddle.nn.functional
label_desc: Use image node_id 1 for calling the EffUtils obj's underlying member method code with example usage: obj.round_filters(filters, global_params) and returns: int, filters