Function BuildDecimalArray

cpp/src/arrow/builder_benchmark.cc:230–249

}

static void BuildDecimalArray(benchmark::State& state) {  // NOLINT non-const reference
  auto type = decimal128(10, 5);
  Decimal128 value;
  int32_t precision = 0;
  int32_t scale = 0;
  ABORT_NOT_OK(Decimal128::FromString("1234.1234", &value, &precision, &scale));
  for (auto _ : state) {
    Decimal128Builder builder(type, memory_tracker.memory_pool());

    for (int64_t i = 0; i < kRounds * kNumberOfElements; i++) {
      ABORT_NOT_OK(builder.Append(value));
    }

    std::shared_ptr<Array> out;
    ABORT_NOT_OK(builder.Finish(&out));
  }

  state.SetBytesProcessed(state.iterations() * kRounds * kNumberOfElements * 16);
  state.SetItemsProcessed(state.iterations() * kRounds * kNumberOfElements);
}

// ----------------------------------------------------------------------
// DictionaryBuilder benchmarks