Function BM_WriteBinaryColumn

cpp/src/parquet/arrow/reader_writer_benchmark.cc:246–261

}

static void BM_WriteBinaryColumn(::benchmark::State& state) {
  std::shared_ptr<Table> table =
      RandomStringTable(::arrow::utf8(), BENCHMARK_SIZE, state.range(1), state.range(0));

  while (state.KeepRunning()) {
    auto output = CreateOutputStream();
    EXIT_NOT_OK(
        WriteTable(*table, ::arrow::default_memory_pool(), output, BENCHMARK_SIZE));
  }

  // Offsets + data
  int64_t total_bytes = table->column(0)->chunk(0)->data()->buffers[1]->size() +
                        table->column(0)->chunk(0)->data()->buffers[2]->size();
  state.SetItemsProcessed(BENCHMARK_SIZE * state.iterations());
  state.SetBytesProcessed(total_bytes * state.iterations());
}

BENCHMARK(BM_WriteBinaryColumn)
    ->ArgNames({"null_probability", "unique_values"})