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Things  Rep  Type            Insert  Lookup  Remove  LFind   LNotFind  LAll    Iter
234937  100  oa_hash         3.116s  2.830s  1.831s  0.877s  1.505s    2.387s  0.425s
234937  100  ch_hash         2.930s  2.812s  1.663s  0.778s  1.102s    1.826s  0.330s
234937  100  ptr_hash        2.387s  2.729s  1.593s  0.756s  1.060s    1.764s  0.318s
234937  100  std::unord_map  4.165s  3.487s  2.658s  1.329s  1.298s    2.604s  0.533s