double dummy = 0.0;
    for (int i = 0; i < reps; i++) {
      dummy += algorithm.singleQuantile(99, 100, dataset(i));
    }
    return dummy;
  }

  @Benchmark
  double percentiles90And99(int reps) {
    double dummy = 0.0;
    for (int i = 0; i < reps; i++) {
      dummy += algorithm.multipleQuantiles(ImmutableSet.of(90, 99), 100, dataset(i)).get(90);
    }
    return dummy;
  }