class_docstr: High-level wrapper for GPU embedding cache
docstr: Returns the cache miss rate since creation.
docstr_tok: ["Returns","the","cache","miss","rate","since","creation","."]
code: def miss_rate(self):
      """Returns the cache miss rate since creation."""
      return self.total_miss / self.total_queries
  
file_path: dgl/python/dgl/cuda/gpu_cache.py
imports: from ..None import backend
  from .._ffi.function import _init_api
label_desc: Use image node_id 4 for calling the GPUCache obj's underlying member method code with example usage: obj.miss_rate() and returns: unknown