Function BM_ReadStructColumn

cpp/src/parquet/arrow/reader_writer_benchmark.cc:604–617

}

static void BM_ReadStructColumn(::benchmark::State& state) {
  constexpr int64_t kNumValues = BENCHMARK_SIZE / 10;
  const double null_probability = static_cast<double>(state.range(0)) / 100.0;
  const bool nullable = (null_probability != 0.0);

  ARROW_CHECK_GE(null_probability, 0.0);

  const int64_t kBytesPerValue = sizeof(int32_t) + sizeof(int64_t);

  ::arrow::random::RandomArrayGenerator rng(42);
  auto array = MakeStructArray(&rng, kNumValues, null_probability);

  BenchmarkReadArray(state, array, nullable, kNumValues, kBytesPerValue * kNumValues);
}

BENCHMARK(BM_ReadStructColumn)->Apply(NestedReadArguments);